./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0621a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_088c7715-0bb1-4b4a-bbd2-bb2e4ed2214f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_088c7715-0bb1-4b4a-bbd2-bb2e4ed2214f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_088c7715-0bb1-4b4a-bbd2-bb2e4ed2214f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_088c7715-0bb1-4b4a-bbd2-bb2e4ed2214f/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0621a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_088c7715-0bb1-4b4a-bbd2-bb2e4ed2214f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_088c7715-0bb1-4b4a-bbd2-bb2e4ed2214f/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cd7d022a1ff6fee6b2d925b7876c30126acc994c ................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_088c7715-0bb1-4b4a-bbd2-bb2e4ed2214f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_088c7715-0bb1-4b4a-bbd2-bb2e4ed2214f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_088c7715-0bb1-4b4a-bbd2-bb2e4ed2214f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_088c7715-0bb1-4b4a-bbd2-bb2e4ed2214f/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0621a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_088c7715-0bb1-4b4a-bbd2-bb2e4ed2214f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_088c7715-0bb1-4b4a-bbd2-bb2e4ed2214f/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cd7d022a1ff6fee6b2d925b7876c30126acc994c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:47:50,694 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:47:50,695 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:47:50,704 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:47:50,704 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:47:50,705 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:47:50,706 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:47:50,708 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:47:50,709 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:47:50,710 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:47:50,710 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:47:50,710 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:47:50,712 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:47:50,712 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:47:50,713 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:47:50,714 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:47:50,714 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:47:50,716 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:47:50,717 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:47:50,718 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:47:50,719 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:47:50,720 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:47:50,722 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:47:50,722 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:47:50,722 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:47:50,723 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:47:50,724 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:47:50,724 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:47:50,725 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:47:50,726 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:47:50,726 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:47:50,726 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:47:50,727 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:47:50,727 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:47:50,728 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:47:50,729 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:47:50,729 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_088c7715-0bb1-4b4a-bbd2-bb2e4ed2214f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-10-26 20:47:50,739 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:47:50,740 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:47:50,740 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:47:50,740 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:47:50,741 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:47:50,741 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:47:50,741 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 20:47:50,741 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:47:50,741 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:47:50,741 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:47:50,742 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:47:50,742 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:47:50,742 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:47:50,742 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:47:50,742 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:47:50,742 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:47:50,742 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:47:50,743 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:47:50,743 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:47:50,743 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 20:47:50,745 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:47:50,745 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 20:47:50,745 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:47:50,745 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:47:50,745 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:47:50,745 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:47:50,746 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 20:47:50,746 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:47:50,746 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:47:50,746 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_088c7715-0bb1-4b4a-bbd2-bb2e4ed2214f/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd7d022a1ff6fee6b2d925b7876c30126acc994c [2018-10-26 20:47:50,772 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:47:50,782 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:47:50,785 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:47:50,786 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:47:50,786 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:47:50,787 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_088c7715-0bb1-4b4a-bbd2-bb2e4ed2214f/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0621a_true-unreach-call.c [2018-10-26 20:47:50,831 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_088c7715-0bb1-4b4a-bbd2-bb2e4ed2214f/bin-2019/uautomizer/data/6297c4d94/3d262dcad09b4d1d860abf7da5f5c9c7/FLAGcb590e4f0 [2018-10-26 20:47:51,193 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:47:51,193 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_088c7715-0bb1-4b4a-bbd2-bb2e4ed2214f/sv-benchmarks/c/float-newlib/float_req_bl_0621a_true-unreach-call.c [2018-10-26 20:47:51,200 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_088c7715-0bb1-4b4a-bbd2-bb2e4ed2214f/bin-2019/uautomizer/data/6297c4d94/3d262dcad09b4d1d860abf7da5f5c9c7/FLAGcb590e4f0 [2018-10-26 20:47:51,212 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_088c7715-0bb1-4b4a-bbd2-bb2e4ed2214f/bin-2019/uautomizer/data/6297c4d94/3d262dcad09b4d1d860abf7da5f5c9c7 [2018-10-26 20:47:51,215 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:47:51,216 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 20:47:51,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:47:51,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:47:51,220 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:47:51,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:47:51" (1/1) ... [2018-10-26 20:47:51,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41fcdb68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:47:51, skipping insertion in model container [2018-10-26 20:47:51,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:47:51" (1/1) ... [2018-10-26 20:47:51,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:47:51,250 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:47:51,389 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:47:51,395 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:47:51,425 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:47:51,444 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:47:51,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:47:51 WrapperNode [2018-10-26 20:47:51,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:47:51,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:47:51,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:47:51,445 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:47:51,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:47:51" (1/1) ... [2018-10-26 20:47:51,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:47:51" (1/1) ... [2018-10-26 20:47:51,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:47:51" (1/1) ... [2018-10-26 20:47:51,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:47:51" (1/1) ... [2018-10-26 20:47:51,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:47:51" (1/1) ... [2018-10-26 20:47:51,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:47:51" (1/1) ... [2018-10-26 20:47:51,494 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:47:51" (1/1) ... [2018-10-26 20:47:51,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:47:51,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:47:51,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:47:51,555 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:47:51,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:47:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_088c7715-0bb1-4b4a-bbd2-bb2e4ed2214f/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:47:51,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 20:47:51,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:47:51,619 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-10-26 20:47:51,619 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-10-26 20:47:51,620 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-10-26 20:47:51,620 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 20:47:51,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-26 20:47:51,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-10-26 20:47:51,620 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-10-26 20:47:51,620 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-10-26 20:47:51,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 20:47:51,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-10-26 20:47:51,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-26 20:47:51,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 20:47:51,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-26 20:47:51,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-10-26 20:47:51,621 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-10-26 20:47:51,621 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 20:47:51,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 20:47:51,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-10-26 20:47:51,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:47:51,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-10-26 20:47:52,369 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:47:52,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:47:52 BoogieIcfgContainer [2018-10-26 20:47:52,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:47:52,370 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 20:47:52,371 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 20:47:52,374 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 20:47:52,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:47:51" (1/3) ... [2018-10-26 20:47:52,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24fe773d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:47:52, skipping insertion in model container [2018-10-26 20:47:52,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:47:51" (2/3) ... [2018-10-26 20:47:52,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24fe773d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:47:52, skipping insertion in model container [2018-10-26 20:47:52,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:47:52" (3/3) ... [2018-10-26 20:47:52,377 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0621a_true-unreach-call.c [2018-10-26 20:47:52,386 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 20:47:52,393 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 20:47:52,407 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 20:47:52,433 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 20:47:52,433 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 20:47:52,434 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 20:47:52,434 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 20:47:52,434 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 20:47:52,434 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 20:47:52,434 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 20:47:52,434 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 20:47:52,434 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 20:47:52,452 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2018-10-26 20:47:52,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-26 20:47:52,458 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:47:52,459 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:47:52,461 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:47:52,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:47:52,466 INFO L82 PathProgramCache]: Analyzing trace with hash -1528812928, now seen corresponding path program 1 times [2018-10-26 20:47:52,468 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:47:52,468 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:47:52,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:47:52,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:47:52,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:47:52,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:47:52,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:47:52,622 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:47:52,622 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 20:47:52,626 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 20:47:52,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 20:47:52,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 20:47:52,640 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2018-10-26 20:47:52,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:47:52,664 INFO L93 Difference]: Finished difference Result 197 states and 232 transitions. [2018-10-26 20:47:52,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 20:47:52,666 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 40 [2018-10-26 20:47:52,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:47:52,675 INFO L225 Difference]: With dead ends: 197 [2018-10-26 20:47:52,675 INFO L226 Difference]: Without dead ends: 110 [2018-10-26 20:47:52,678 INFO L605 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 [2018-10-26 20:47:52,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-10-26 20:47:52,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-10-26 20:47:52,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-10-26 20:47:52,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 120 transitions. [2018-10-26 20:47:52,722 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 120 transitions. Word has length 40 [2018-10-26 20:47:52,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:47:52,722 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 120 transitions. [2018-10-26 20:47:52,722 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 20:47:52,722 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 120 transitions. [2018-10-26 20:47:52,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-26 20:47:52,723 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:47:52,724 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:47:52,724 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:47:52,724 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:47:52,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1882925400, now seen corresponding path program 1 times [2018-10-26 20:47:52,724 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 20:47:52,724 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 20:47:52,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:47:52,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:47:52,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:47:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:47:52,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:47:52,883 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 20:47:52,912 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 54 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 20:47:52,913 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 70 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 20:47:52,913 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 53 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-10-26 20:47:52,914 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 62 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 20:47:52,914 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 57 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-10-26 20:47:52,914 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 50 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 20:47:52,915 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 54 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 20:47:52,915 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 53 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-10-26 20:47:52,915 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 70 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 20:47:52,915 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 57 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-10-26 20:47:52,916 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 50 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 20:47:52,916 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 62 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 20:47:52,917 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 57 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-10-26 20:47:52,917 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 54 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 20:47:52,917 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 50 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 20:47:52,917 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 53 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-10-26 20:47:52,918 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 70 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 20:47:52,918 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 62 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 20:47:52,918 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 50 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 20:47:52,919 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 53 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-10-26 20:47:52,919 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 54 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 20:47:52,919 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 70 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 20:47:52,919 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 62 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 20:47:52,919 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 57 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-10-26 20:47:52,920 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 54 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 20:47:52,920 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 57 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-10-26 20:47:52,920 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 50 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 20:47:52,921 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 53 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-10-26 20:47:52,921 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 62 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 20:47:52,921 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 70 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-10-26 20:47:52,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:47:52 BoogieIcfgContainer [2018-10-26 20:47:52,935 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 20:47:52,935 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:47:52,935 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:47:52,935 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:47:52,936 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:47:52" (3/4) ... [2018-10-26 20:47:52,939 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 20:47:52,939 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:47:52,940 INFO L168 Benchmark]: Toolchain (without parser) took 1724.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 961.8 MB in the beginning and 1.1 GB in the end (delta: -103.8 MB). Peak memory consumption was 42.0 MB. Max. memory is 11.5 GB. [2018-10-26 20:47:52,941 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:47:52,941 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.95 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 948.4 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:47:52,942 INFO L168 Benchmark]: Boogie Preprocessor took 109.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 948.4 MB in the beginning and 1.2 GB in the end (delta: -202.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-10-26 20:47:52,942 INFO L168 Benchmark]: RCFGBuilder took 814.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. [2018-10-26 20:47:52,943 INFO L168 Benchmark]: TraceAbstraction took 564.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-10-26 20:47:52,944 INFO L168 Benchmark]: Witness Printer took 4.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:47:52,946 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 227.95 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 948.4 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 109.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 948.4 MB in the beginning and 1.2 GB in the end (delta: -202.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 814.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 564.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Witness Printer took 4.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 54 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 70 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 53 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 62 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 57 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 50 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 54 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 53 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 70 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 57 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 50 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 62 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 57 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 54 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 50 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 53 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 70 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 62 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 50 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 53 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 54 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 70 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 62 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 57 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 54 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 57 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 50 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 53 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 62 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 70 could not be translated for associated CType ARRAY#_4_~FLOAT# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 131]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 130, overapproximation of someUnaryDOUBLEoperation at line 49, overapproximation of bitwiseAnd at line 65, overapproximation of someBinaryArithmeticFLOAToperation at line 68. Possible FailurePath: [L12] static const float huge_floor = 1.0e30; VAL [\old(aT_atan)=null, \old(aT_atan)=null, \old(atanhi_atan)=null, \old(atanhi_atan)=null, \old(atanlo_atan)=null, \old(atanlo_atan)=null, \old(huge_atan)=68, \old(huge_floor)=64, \old(one_atan)=58, \old(pi)=65, \old(pi_o_2)=45, \old(pi_o_4)=60, aT_atan={53:57}, atanhi_atan={54:62}, atanlo_atan={50:70}, huge_atan=68, huge_floor=1000000000000000000000000000000, one_atan=58, pi=65, pi_o_2=45, pi_o_4=60] [L32-L37] FCALL static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; VAL [\old(aT_atan)=null, \old(aT_atan)=null, \old(atanhi_atan)=null, \old(atanhi_atan)=null, \old(atanlo_atan)=null, \old(atanlo_atan)=null, \old(huge_atan)=68, \old(huge_floor)=64, \old(one_atan)=58, \old(pi)=65, \old(pi_o_2)=45, \old(pi_o_4)=60, aT_atan={53:57}, atanhi_atan={56:0}, atanlo_atan={50:70}, huge_atan=68, huge_floor=1000000000000000000000000000000, one_atan=58, pi=65, pi_o_2=45, pi_o_4=60] [L39-L44] FCALL static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; VAL [\old(aT_atan)=null, \old(aT_atan)=null, \old(atanhi_atan)=null, \old(atanhi_atan)=null, \old(atanlo_atan)=null, \old(atanlo_atan)=null, \old(huge_atan)=68, \old(huge_floor)=64, \old(one_atan)=58, \old(pi)=65, \old(pi_o_2)=45, \old(pi_o_4)=60, aT_atan={53:57}, atanhi_atan={56:0}, atanlo_atan={48:0}, huge_atan=68, huge_floor=1000000000000000000000000000000, one_atan=58, pi=65, pi_o_2=45, pi_o_4=60] [L46-L50] FCALL 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, }; VAL [\old(aT_atan)=null, \old(aT_atan)=null, \old(atanhi_atan)=null, \old(atanhi_atan)=null, \old(atanlo_atan)=null, \old(atanlo_atan)=null, \old(huge_atan)=68, \old(huge_floor)=64, \old(one_atan)=58, \old(pi)=65, \old(pi_o_2)=45, \old(pi_o_4)=60, aT_atan={52:0}, atanhi_atan={56:0}, atanlo_atan={48:0}, huge_atan=68, huge_floor=1000000000000000000000000000000, one_atan=58, pi=65, pi_o_2=45, pi_o_4=60] [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(aT_atan)=null, \old(aT_atan)=null, \old(atanhi_atan)=null, \old(atanhi_atan)=null, \old(atanlo_atan)=null, \old(atanlo_atan)=null, \old(huge_atan)=68, \old(huge_floor)=64, \old(one_atan)=58, \old(pi)=65, \old(pi_o_2)=45, \old(pi_o_4)=60, aT_atan={52:0}, atanhi_atan={56:0}, atanlo_atan={48:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L127] float x = 1.0f / 0.0f; VAL [aT_atan={52:0}, atanhi_atan={56:0}, atanlo_atan={48:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L128] CALL, EXPR atan_float(x) VAL [\old(x)=51, aT_atan={52:0}, atanhi_atan={56:0}, atanlo_atan={48:0}, 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)=51, aT_atan={52:0}, atanhi_atan={56:0}, atanlo_atan={48:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=51] [L61] FCALL ieee_float_shape_type gf_u; VAL [\old(x)=51, aT_atan={52:0}, atanhi_atan={56:0}, atanlo_atan={48:0}, gf_u={46:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=51] [L62] FCALL gf_u.value = (x) VAL [\old(x)=51, aT_atan={52:0}, atanhi_atan={56:0}, atanlo_atan={48:0}, gf_u={46:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=51] [L63] EXPR, FCALL gf_u.word VAL [\old(x)=51, aT_atan={52:0}, atanhi_atan={56:0}, atanlo_atan={48:0}, gf_u={46:0}, gf_u.word=3, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=51] [L63] (hx) = gf_u.word [L64] COND FALSE !(0) VAL [\old(x)=51, aT_atan={52:0}, atanhi_atan={56:0}, atanlo_atan={48:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=3, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=51] [L65] ix = hx & 0x7fffffff VAL [\old(x)=51, aT_atan={52:0}, atanhi_atan={56:0}, atanlo_atan={48:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=3, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=51] [L66] COND TRUE ix >= 0x50800000 VAL [\old(x)=51, aT_atan={52:0}, atanhi_atan={56:0}, atanlo_atan={48:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=3, ix=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=51] [L67] COND TRUE ((ix) > 0x7f800000L) [L68] RET return x + x; VAL [\old(x)=51, aT_atan={52:0}, atanhi_atan={56:0}, atanlo_atan={48:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=3, ix=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=51] [L128] EXPR atan_float(x) VAL [aT_atan={52:0}, atan_float(x)=67, atanhi_atan={56:0}, atanlo_atan={48:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=51] [L128] float res = atan_float(x); [L130] COND TRUE res != pi_o_2 VAL [aT_atan={52:0}, atanhi_atan={56:0}, atanlo_atan={48:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=67, x=51] [L131] __VERIFIER_error() VAL [aT_atan={52:0}, atanhi_atan={56:0}, atanlo_atan={48:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=67, x=51] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 117 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 124 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=114occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 39 ConstructedInterpolants, 0 QuantifiedInterpolants, 1521 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 0.1.23-1dbac8b [2018-10-26 20:47:54,685 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:47:54,686 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:47:54,698 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:47:54,698 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:47:54,699 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:47:54,701 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:47:54,704 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:47:54,705 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:47:54,706 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:47:54,706 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:47:54,706 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:47:54,707 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:47:54,707 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:47:54,708 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:47:54,709 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:47:54,709 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:47:54,711 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:47:54,712 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:47:54,713 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:47:54,714 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:47:54,715 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:47:54,717 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:47:54,717 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:47:54,717 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:47:54,718 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:47:54,718 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:47:54,719 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:47:54,719 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:47:54,720 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:47:54,720 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:47:54,721 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:47:54,721 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:47:54,721 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:47:54,722 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:47:54,723 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:47:54,723 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_088c7715-0bb1-4b4a-bbd2-bb2e4ed2214f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-10-26 20:47:54,734 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:47:54,734 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:47:54,734 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:47:54,735 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:47:54,735 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:47:54,735 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:47:54,735 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 20:47:54,736 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:47:54,736 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:47:54,736 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:47:54,736 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:47:54,736 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:47:54,736 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:47:54,737 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:47:54,737 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 20:47:54,737 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 20:47:54,737 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:47:54,737 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:47:54,737 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:47:54,737 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:47:54,738 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 20:47:54,738 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:47:54,738 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 20:47:54,738 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:47:54,738 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:47:54,738 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:47:54,738 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:47:54,739 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-10-26 20:47:54,739 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:47:54,739 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 20:47:54,739 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 20:47:54,739 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_088c7715-0bb1-4b4a-bbd2-bb2e4ed2214f/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd7d022a1ff6fee6b2d925b7876c30126acc994c [2018-10-26 20:47:54,769 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:47:54,779 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:47:54,782 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:47:54,783 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:47:54,783 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:47:54,784 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_088c7715-0bb1-4b4a-bbd2-bb2e4ed2214f/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0621a_true-unreach-call.c [2018-10-26 20:47:54,821 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_088c7715-0bb1-4b4a-bbd2-bb2e4ed2214f/bin-2019/uautomizer/data/5a9a90be1/443ffa96ae3449dc8d2b0e75650d091b/FLAGea2aa4928 [2018-10-26 20:47:55,207 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:47:55,208 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_088c7715-0bb1-4b4a-bbd2-bb2e4ed2214f/sv-benchmarks/c/float-newlib/float_req_bl_0621a_true-unreach-call.c [2018-10-26 20:47:55,214 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_088c7715-0bb1-4b4a-bbd2-bb2e4ed2214f/bin-2019/uautomizer/data/5a9a90be1/443ffa96ae3449dc8d2b0e75650d091b/FLAGea2aa4928 [2018-10-26 20:47:55,227 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_088c7715-0bb1-4b4a-bbd2-bb2e4ed2214f/bin-2019/uautomizer/data/5a9a90be1/443ffa96ae3449dc8d2b0e75650d091b [2018-10-26 20:47:55,229 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:47:55,230 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 20:47:55,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:47:55,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:47:55,235 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:47:55,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:47:55" (1/1) ... [2018-10-26 20:47:55,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7df1454b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:47:55, skipping insertion in model container [2018-10-26 20:47:55,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:47:55" (1/1) ... [2018-10-26 20:47:55,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:47:55,268 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:47:55,434 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:47:55,442 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:47:55,500 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:47:55,541 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:47:55,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:47:55 WrapperNode [2018-10-26 20:47:55,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:47:55,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:47:55,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:47:55,543 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:47:55,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:47:55" (1/1) ... [2018-10-26 20:47:55,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:47:55" (1/1) ... [2018-10-26 20:47:55,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:47:55" (1/1) ... [2018-10-26 20:47:55,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:47:55" (1/1) ... [2018-10-26 20:47:55,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:47:55" (1/1) ... [2018-10-26 20:47:55,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:47:55" (1/1) ... [2018-10-26 20:47:55,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:47:55" (1/1) ... [2018-10-26 20:47:55,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:47:55,624 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:47:55,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:47:55,627 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:47:55,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:47:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_088c7715-0bb1-4b4a-bbd2-bb2e4ed2214f/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:47:55,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 20:47:55,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:47:55,751 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-10-26 20:47:55,752 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-10-26 20:47:55,752 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-10-26 20:47:55,752 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 20:47:55,752 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-26 20:47:55,752 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-10-26 20:47:55,752 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-10-26 20:47:55,752 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-10-26 20:47:55,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 20:47:55,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-10-26 20:47:55,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-10-26 20:47:55,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 20:47:55,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-10-26 20:47:55,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-10-26 20:47:55,753 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-10-26 20:47:55,753 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 20:47:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 20:47:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-10-26 20:47:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:47:55,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-10-26 20:47:56,052 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:47:56,058 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:47:56,063 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:47:56,071 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:47:56,095 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:47:56,103 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:47:56,111 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:47:56,114 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:47:56,128 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:47:56,141 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:47:56,147 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:47:56,150 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:47:56,159 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:47:56,163 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:47:56,167 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:47:56,175 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:47:56,184 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:47:56,190 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:47:56,201 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:47:56,244 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:47:56,250 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:48:05,839 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:48:05,871 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:48:06,093 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:48:06,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:48:06 BoogieIcfgContainer [2018-10-26 20:48:06,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:48:06,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 20:48:06,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 20:48:06,096 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 20:48:06,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:47:55" (1/3) ... [2018-10-26 20:48:06,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0dfebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:48:06, skipping insertion in model container [2018-10-26 20:48:06,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:47:55" (2/3) ... [2018-10-26 20:48:06,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0dfebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:48:06, skipping insertion in model container [2018-10-26 20:48:06,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:48:06" (3/3) ... [2018-10-26 20:48:06,100 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0621a_true-unreach-call.c [2018-10-26 20:48:06,106 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 20:48:06,113 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 20:48:06,126 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 20:48:06,152 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 20:48:06,153 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 20:48:06,153 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 20:48:06,156 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 20:48:06,156 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 20:48:06,156 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 20:48:06,156 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 20:48:06,156 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 20:48:06,157 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 20:48:06,173 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2018-10-26 20:48:06,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-26 20:48:06,179 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:48:06,180 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:48:06,182 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:48:06,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:48:06,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1528812928, now seen corresponding path program 1 times [2018-10-26 20:48:06,192 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:48:06,192 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_088c7715-0bb1-4b4a-bbd2-bb2e4ed2214f/bin-2019/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-26 20:48:06,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-10-26 20:48:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:48:06,350 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:48:06,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:48:06,369 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:48:06,385 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:48:06,386 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 20:48:06,389 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 20:48:06,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 20:48:06,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 20:48:06,403 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2018-10-26 20:48:06,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:48:06,429 INFO L93 Difference]: Finished difference Result 197 states and 232 transitions. [2018-10-26 20:48:06,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 20:48:06,430 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 40 [2018-10-26 20:48:06,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:48:06,440 INFO L225 Difference]: With dead ends: 197 [2018-10-26 20:48:06,440 INFO L226 Difference]: Without dead ends: 110 [2018-10-26 20:48:06,444 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 20:48:06,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-10-26 20:48:06,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-10-26 20:48:06,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-10-26 20:48:06,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 120 transitions. [2018-10-26 20:48:06,484 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 120 transitions. Word has length 40 [2018-10-26 20:48:06,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:48:06,485 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 120 transitions. [2018-10-26 20:48:06,485 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 20:48:06,485 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 120 transitions. [2018-10-26 20:48:06,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-26 20:48:06,486 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:48:06,486 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:48:06,487 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:48:06,488 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:48:06,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1882925400, now seen corresponding path program 1 times [2018-10-26 20:48:06,489 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:48:06,489 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_088c7715-0bb1-4b4a-bbd2-bb2e4ed2214f/bin-2019/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-10-26 20:48:06,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:48:06,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:48:06,657 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:48:06,726 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 [2018-10-26 20:48:06,730 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 [2018-10-26 20:48:06,730 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 20:48:06,733 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:06,740 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:06,740 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-10-26 20:48:06,779 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 [2018-10-26 20:48:06,783 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 [2018-10-26 20:48:06,783 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 20:48:06,794 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:06,800 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:06,800 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-10-26 20:48:07,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:48:07,036 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:48:07,053 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:48:07,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 20:48:07,054 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 20:48:07,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 20:48:07,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-26 20:48:07,055 INFO L87 Difference]: Start difference. First operand 110 states and 120 transitions. Second operand 9 states. [2018-10-26 20:48:08,062 WARN L179 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-10-26 20:48:16,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:48:16,203 INFO L93 Difference]: Finished difference Result 138 states and 149 transitions. [2018-10-26 20:48:16,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-26 20:48:16,204 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 49 [2018-10-26 20:48:16,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:48:16,206 INFO L225 Difference]: With dead ends: 138 [2018-10-26 20:48:16,207 INFO L226 Difference]: Without dead ends: 132 [2018-10-26 20:48:16,207 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-10-26 20:48:16,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-10-26 20:48:16,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 110. [2018-10-26 20:48:16,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-10-26 20:48:16,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 119 transitions. [2018-10-26 20:48:16,219 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 119 transitions. Word has length 49 [2018-10-26 20:48:16,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:48:16,220 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 119 transitions. [2018-10-26 20:48:16,220 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 20:48:16,220 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 119 transitions. [2018-10-26 20:48:16,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-26 20:48:16,221 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:48:16,221 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:48:16,221 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:48:16,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:48:16,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1049769131, now seen corresponding path program 1 times [2018-10-26 20:48:16,222 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:48:16,222 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_088c7715-0bb1-4b4a-bbd2-bb2e4ed2214f/bin-2019/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-26 20:48:16,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-10-26 20:48:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:48:16,366 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:48:16,401 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 [2018-10-26 20:48:16,404 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 [2018-10-26 20:48:16,405 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 20:48:16,408 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:16,414 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:16,414 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-10-26 20:48:16,429 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 [2018-10-26 20:48:16,432 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 [2018-10-26 20:48:16,432 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 20:48:16,434 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:16,436 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:16,436 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-10-26 20:48:16,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:48:16,549 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:48:16,559 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:48:16,559 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 20:48:16,560 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 20:48:16,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 20:48:16,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-26 20:48:16,561 INFO L87 Difference]: Start difference. First operand 110 states and 119 transitions. Second operand 9 states. [2018-10-26 20:48:28,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:48:28,787 INFO L93 Difference]: Finished difference Result 138 states and 148 transitions. [2018-10-26 20:48:28,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-26 20:48:28,788 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2018-10-26 20:48:28,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:48:28,789 INFO L225 Difference]: With dead ends: 138 [2018-10-26 20:48:28,789 INFO L226 Difference]: Without dead ends: 57 [2018-10-26 20:48:28,790 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2018-10-26 20:48:28,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-10-26 20:48:28,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-10-26 20:48:28,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-10-26 20:48:28,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2018-10-26 20:48:28,798 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 51 [2018-10-26 20:48:28,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:48:28,798 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2018-10-26 20:48:28,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 20:48:28,799 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2018-10-26 20:48:28,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 20:48:28,800 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:48:28,800 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:48:28,800 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:48:28,800 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:48:28,800 INFO L82 PathProgramCache]: Analyzing trace with hash -2006870219, now seen corresponding path program 1 times [2018-10-26 20:48:28,801 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:48:28,801 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_088c7715-0bb1-4b4a-bbd2-bb2e4ed2214f/bin-2019/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-10-26 20:48:28,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:48:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:48:28,995 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:48:29,002 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 6 treesize of output 5 [2018-10-26 20:48:29,002 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-26 20:48:29,004 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:29,004 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-10-26 20:48:29,013 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-10-26 20:48:29,016 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-10-26 20:48:29,017 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 20:48:29,023 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:29,033 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:29,033 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:34, output treesize:39 [2018-10-26 20:48:29,053 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 20:48:29,054 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 20:48:29,057 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 23 [2018-10-26 20:48:29,057 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-26 20:48:29,072 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:29,072 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:48 [2018-10-26 20:48:29,111 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 44 [2018-10-26 20:48:29,116 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 [2018-10-26 20:48:29,116 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 20:48:29,128 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:29,146 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:29,146 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:59, output treesize:48 [2018-10-26 20:48:29,161 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 46 [2018-10-26 20:48:29,166 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-10-26 20:48:29,166 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 20:48:29,181 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:29,203 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:29,203 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:61, output treesize:48 [2018-10-26 20:48:29,225 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 46 [2018-10-26 20:48:29,230 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-10-26 20:48:29,230 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 20:48:29,244 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:29,265 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:29,265 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:61, output treesize:48 [2018-10-26 20:48:29,278 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 46 [2018-10-26 20:48:29,283 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-10-26 20:48:29,285 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 20:48:29,299 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:29,324 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:29,324 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:74, output treesize:79 [2018-10-26 20:48:29,378 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 20:48:29,380 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 20:48:29,382 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 20:48:29,383 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 36 [2018-10-26 20:48:29,384 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-26 20:48:29,423 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:29,423 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:90, output treesize:92 [2018-10-26 20:48:29,505 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 83 [2018-10-26 20:48:29,532 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 [2018-10-26 20:48:29,533 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 20:48:29,563 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:29,607 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:29,607 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:105, output treesize:94 [2018-10-26 20:48:29,675 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 85 [2018-10-26 20:48:29,692 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-10-26 20:48:29,692 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 20:48:29,770 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:29,820 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:29,821 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:107, output treesize:94 [2018-10-26 20:48:29,851 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 85 [2018-10-26 20:48:29,862 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-10-26 20:48:29,862 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 20:48:29,893 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:29,946 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:29,946 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:107, output treesize:94 [2018-10-26 20:48:29,993 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 85 [2018-10-26 20:48:30,000 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-10-26 20:48:30,000 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 20:48:30,050 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:30,094 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:30,094 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:107, output treesize:94 [2018-10-26 20:48:30,156 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 85 [2018-10-26 20:48:30,172 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-10-26 20:48:30,172 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 20:48:30,199 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:30,253 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:30,253 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:107, output treesize:94 [2018-10-26 20:48:30,285 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 85 [2018-10-26 20:48:30,293 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-10-26 20:48:30,293 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 20:48:30,354 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:30,399 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:30,399 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:107, output treesize:94 [2018-10-26 20:48:30,428 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 85 [2018-10-26 20:48:30,435 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-10-26 20:48:30,435 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 20:48:30,464 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:30,509 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:30,509 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:107, output treesize:94 [2018-10-26 20:48:30,540 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 85 [2018-10-26 20:48:30,548 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-10-26 20:48:30,548 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 20:48:30,600 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:30,831 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:30,831 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:107, output treesize:94 [2018-10-26 20:48:30,859 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 85 [2018-10-26 20:48:30,866 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-10-26 20:48:30,866 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 20:48:30,893 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:30,937 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:30,937 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:107, output treesize:94 [2018-10-26 20:48:30,966 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 85 [2018-10-26 20:48:30,989 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-10-26 20:48:30,989 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 20:48:31,124 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:31,173 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:31,173 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:107, output treesize:94 [2018-10-26 20:48:31,207 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 85 [2018-10-26 20:48:31,224 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-10-26 20:48:31,225 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 20:48:31,271 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:31,323 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 20:48:31,323 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:107, output treesize:94 [2018-10-26 20:48:31,517 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 13 [2018-10-26 20:48:31,517 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-26 20:48:31,569 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 55 [2018-10-26 20:48:31,575 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2018-10-26 20:48:31,576 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-26 20:48:31,588 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2018-10-26 20:48:31,590 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-26 20:48:31,592 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:31,605 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:31,606 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:107, output treesize:18 [2018-10-26 20:48:33,006 WARN L179 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-10-26 20:48:33,549 WARN L179 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 59 [2018-10-26 20:48:33,561 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 20:48:33,562 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 20:48:33,564 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 20:48:33,565 INFO L700 Elim1Store]: detected not equals via solver [2018-10-26 20:48:33,566 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2018-10-26 20:48:33,566 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-26 20:48:33,778 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 97 [2018-10-26 20:48:33,787 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 44 [2018-10-26 20:48:33,788 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 20:48:33,923 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 32 [2018-10-26 20:48:33,924 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-26 20:48:34,074 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-26 20:48:34,196 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-26 20:48:34,196 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 10 variables, input treesize:208, output treesize:52 [2018-10-26 20:48:34,846 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2018-10-26 20:48:35,537 WARN L179 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2018-10-26 20:48:35,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:48:35,600 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:48:35,610 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:48:35,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2018-10-26 20:48:35,610 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-10-26 20:48:35,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-10-26 20:48:35,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=245, Unknown=3, NotChecked=0, Total=306 [2018-10-26 20:48:35,611 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand 18 states. [2018-10-26 20:48:36,917 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2018-10-26 20:48:38,872 WARN L179 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2018-10-26 20:48:39,814 WARN L179 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2018-10-26 20:48:39,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:48:39,886 INFO L93 Difference]: Finished difference Result 63 states and 62 transitions. [2018-10-26 20:48:39,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-10-26 20:48:39,887 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 53 [2018-10-26 20:48:39,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:48:39,888 INFO L225 Difference]: With dead ends: 63 [2018-10-26 20:48:39,888 INFO L226 Difference]: Without dead ends: 54 [2018-10-26 20:48:39,888 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=107, Invalid=486, Unknown=7, NotChecked=0, Total=600 [2018-10-26 20:48:39,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-10-26 20:48:39,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-10-26 20:48:39,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-10-26 20:48:39,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 53 transitions. [2018-10-26 20:48:39,895 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 53 transitions. Word has length 53 [2018-10-26 20:48:39,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:48:39,897 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 53 transitions. [2018-10-26 20:48:39,897 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-10-26 20:48:39,897 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 53 transitions. [2018-10-26 20:48:39,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 20:48:39,897 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:48:39,898 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:48:39,898 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:48:39,898 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:48:39,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1399084597, now seen corresponding path program 1 times [2018-10-26 20:48:39,898 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:48:39,898 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_088c7715-0bb1-4b4a-bbd2-bb2e4ed2214f/bin-2019/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-10-26 20:48:39,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:48:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:48:40,051 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:48:40,067 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 [2018-10-26 20:48:40,071 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 [2018-10-26 20:48:40,072 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 20:48:40,074 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:40,081 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:40,081 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:21 [2018-10-26 20:48:40,115 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 [2018-10-26 20:48:40,123 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 [2018-10-26 20:48:40,123 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-26 20:48:40,127 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:40,128 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-26 20:48:40,129 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:9 [2018-10-26 20:48:40,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:48:40,200 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:48:40,215 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:48:40,215 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-26 20:48:40,216 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-26 20:48:40,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-26 20:48:40,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-26 20:48:40,216 INFO L87 Difference]: Start difference. First operand 54 states and 53 transitions. Second operand 8 states. [2018-10-26 20:48:40,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:48:40,508 INFO L93 Difference]: Finished difference Result 54 states and 53 transitions. [2018-10-26 20:48:40,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-26 20:48:40,509 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2018-10-26 20:48:40,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:48:40,509 INFO L225 Difference]: With dead ends: 54 [2018-10-26 20:48:40,510 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 20:48:40,510 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-10-26 20:48:40,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 20:48:40,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 20:48:40,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 20:48:40,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 20:48:40,511 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2018-10-26 20:48:40,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:48:40,511 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 20:48:40,511 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-26 20:48:40,511 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 20:48:40,511 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 20:48:40,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 20:48:40,714 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2018-10-26 20:48:40,904 WARN L179 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 61 [2018-10-26 20:48:41,049 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 64 [2018-10-26 20:48:41,168 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 61 [2018-10-26 20:48:41,322 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2018-10-26 20:48:41,459 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 67 [2018-10-26 20:48:41,460 INFO L425 ceAbstractionStarter]: For program point isnan_floatFINAL(line 15) no Hoare annotation was computed. [2018-10-26 20:48:41,461 INFO L425 ceAbstractionStarter]: For program point isnan_floatENTRY(line 15) no Hoare annotation was computed. [2018-10-26 20:48:41,461 INFO L425 ceAbstractionStarter]: For program point isnan_floatEXIT(line 15) no Hoare annotation was computed. [2018-10-26 20:48:41,461 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 20:48:41,461 INFO L425 ceAbstractionStarter]: For program point L46(lines 46 50) no Hoare annotation was computed. [2018-10-26 20:48:41,461 INFO L425 ceAbstractionStarter]: For program point L46-1(lines 46 50) no Hoare annotation was computed. [2018-10-26 20:48:41,461 INFO L425 ceAbstractionStarter]: For program point L46-2(lines 46 50) no Hoare annotation was computed. [2018-10-26 20:48:41,461 INFO L425 ceAbstractionStarter]: For program point L46-3(lines 46 50) no Hoare annotation was computed. [2018-10-26 20:48:41,461 INFO L425 ceAbstractionStarter]: For program point L46-4(lines 46 50) no Hoare annotation was computed. [2018-10-26 20:48:41,461 INFO L425 ceAbstractionStarter]: For program point L46-5(lines 46 50) no Hoare annotation was computed. [2018-10-26 20:48:41,461 INFO L425 ceAbstractionStarter]: For program point L46-6(lines 46 50) no Hoare annotation was computed. [2018-10-26 20:48:41,461 INFO L425 ceAbstractionStarter]: For program point L46-7(lines 46 50) no Hoare annotation was computed. [2018-10-26 20:48:41,461 INFO L425 ceAbstractionStarter]: For program point L46-8(lines 46 50) no Hoare annotation was computed. [2018-10-26 20:48:41,461 INFO L425 ceAbstractionStarter]: For program point L46-9(lines 46 50) no Hoare annotation was computed. [2018-10-26 20:48:41,461 INFO L425 ceAbstractionStarter]: For program point L46-10(lines 46 50) no Hoare annotation was computed. [2018-10-26 20:48:41,461 INFO L425 ceAbstractionStarter]: For program point L46-11(lines 46 50) no Hoare annotation was computed. [2018-10-26 20:48:41,462 INFO L425 ceAbstractionStarter]: For program point L32(lines 32 37) no Hoare annotation was computed. [2018-10-26 20:48:41,462 INFO L425 ceAbstractionStarter]: For program point L32-1(lines 32 37) no Hoare annotation was computed. [2018-10-26 20:48:41,462 INFO L425 ceAbstractionStarter]: For program point L32-2(lines 32 37) no Hoare annotation was computed. [2018-10-26 20:48:41,462 INFO L425 ceAbstractionStarter]: For program point L32-3(lines 32 37) no Hoare annotation was computed. [2018-10-26 20:48:41,462 INFO L425 ceAbstractionStarter]: For program point L32-4(lines 32 37) no Hoare annotation was computed. [2018-10-26 20:48:41,462 INFO L425 ceAbstractionStarter]: For program point L32-5(lines 32 37) no Hoare annotation was computed. [2018-10-26 20:48:41,462 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-26 20:48:41,462 INFO L425 ceAbstractionStarter]: For program point L39(lines 39 44) no Hoare annotation was computed. [2018-10-26 20:48:41,462 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 39 44) no Hoare annotation was computed. [2018-10-26 20:48:41,462 INFO L425 ceAbstractionStarter]: For program point L39-2(lines 39 44) no Hoare annotation was computed. [2018-10-26 20:48:41,462 INFO L425 ceAbstractionStarter]: For program point L39-3(lines 39 44) no Hoare annotation was computed. [2018-10-26 20:48:41,462 INFO L425 ceAbstractionStarter]: For program point L39-4(lines 39 44) no Hoare annotation was computed. [2018-10-26 20:48:41,462 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 20:48:41,462 INFO L425 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-10-26 20:48:41,462 INFO L425 ceAbstractionStarter]: For program point L27-1(line 27) no Hoare annotation was computed. [2018-10-26 20:48:41,462 INFO L425 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 17 30) no Hoare annotation was computed. [2018-10-26 20:48:41,462 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-10-26 20:48:41,462 INFO L425 ceAbstractionStarter]: For program point L27-2(line 27) no Hoare annotation was computed. [2018-10-26 20:48:41,463 INFO L425 ceAbstractionStarter]: For program point L25-1(line 25) no Hoare annotation was computed. [2018-10-26 20:48:41,463 INFO L425 ceAbstractionStarter]: For program point L25-2(line 25) no Hoare annotation was computed. [2018-10-26 20:48:41,463 INFO L425 ceAbstractionStarter]: For program point L25-3(line 25) no Hoare annotation was computed. [2018-10-26 20:48:41,463 INFO L425 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-10-26 20:48:41,463 INFO L425 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-10-26 20:48:41,469 INFO L428 ceAbstractionStarter]: At program point L19-3(lines 19 23) the Hoare annotation is: true [2018-10-26 20:48:41,469 INFO L425 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 17 30) no Hoare annotation was computed. [2018-10-26 20:48:41,469 INFO L425 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-10-26 20:48:41,469 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 28) no Hoare annotation was computed. [2018-10-26 20:48:41,469 INFO L428 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 17 30) the Hoare annotation is: true [2018-10-26 20:48:41,469 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-10-26 20:48:41,469 INFO L425 ceAbstractionStarter]: For program point L24-2(lines 17 30) no Hoare annotation was computed. [2018-10-26 20:48:41,469 INFO L425 ceAbstractionStarter]: For program point L22-1(line 22) no Hoare annotation was computed. [2018-10-26 20:48:41,469 INFO L425 ceAbstractionStarter]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2018-10-26 20:48:41,470 INFO L425 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-10-26 20:48:41,470 INFO L425 ceAbstractionStarter]: For program point L22-2(line 22) no Hoare annotation was computed. [2018-10-26 20:48:41,470 INFO L425 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2018-10-26 20:48:41,470 INFO L425 ceAbstractionStarter]: For program point L20-2(line 20) no Hoare annotation was computed. [2018-10-26 20:48:41,470 INFO L425 ceAbstractionStarter]: For program point L20-3(line 20) no Hoare annotation was computed. [2018-10-26 20:48:41,470 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 20:48:41,470 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= (bvadd (select |#valid| |~#aT_atan~0.base|) (_ bv1 1)) (_ bv0 1)) (not (= |~#atanlo_atan~0.base| |~#aT_atan~0.base|)) (= ~pi_o_2~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 3141592741.0 2000000000.0)))) (= (let ((.cse0 (select (select |#memory_int| |~#atanlo_atan~0.base|) (bvadd |~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 75497894159.0 1000000000000000000.0)))) (= (let ((.cse1 (select (select |#memory_int| |~#atanhi_atan~0.base|) (bvadd |~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 15707962513.0 10000000000.0)))) (= (_ bv1 1) (select |#valid| |~#atanlo_atan~0.base|)) (= (bvadd (select |#valid| |~#atanhi_atan~0.base|) (_ bv1 1)) (_ bv0 1)) (not (= |~#atanhi_atan~0.base| |~#atanlo_atan~0.base|)) (not (= |~#atanhi_atan~0.base| |~#aT_atan~0.base|))) [2018-10-26 20:48:41,470 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 20:48:41,470 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 20:48:41,470 INFO L421 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (= |~#atanhi_atan~0.base| |~#atanlo_atan~0.base|) (not (= (_ bv1 1) (select |old(#valid)| |~#aT_atan~0.base|))) (= |~#aT_atan~0.base| |~#atanlo_atan~0.base|) (not (= (_ bv1 1) (select |old(#valid)| |~#atanhi_atan~0.base|))) (not (= (_ bv1 1) (select |old(#valid)| |~#atanlo_atan~0.base|))) (= |~#atanhi_atan~0.base| |~#aT_atan~0.base|) (not (= ~pi_o_2~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 3141592741.0 2000000000.0))))) (and (= (fp.div RNE ((_ to_fp 8 24) RNE 1.0) (_ +zero 8 24)) main_~x~0) (= |#valid| |old(#valid)|) (= |old(#memory_int)| |#memory_int|)) (not (= (let ((.cse0 (select (select |old(#memory_int)| |~#atanhi_atan~0.base|) (bvadd |~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 15707962513.0 10000000000.0))))) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 75497894159.0 1000000000000000000.0))) (let ((.cse1 (select (select |old(#memory_int)| |~#atanlo_atan~0.base|) (bvadd |~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))))) [2018-10-26 20:48:41,471 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 131) no Hoare annotation was computed. [2018-10-26 20:48:41,471 INFO L425 ceAbstractionStarter]: For program point L128-1(line 128) no Hoare annotation was computed. [2018-10-26 20:48:41,471 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 120 136) the Hoare annotation is: (or (= |~#atanhi_atan~0.base| |~#atanlo_atan~0.base|) (not (= (_ bv1 1) (select |old(#valid)| |~#aT_atan~0.base|))) (= |~#aT_atan~0.base| |~#atanlo_atan~0.base|) (not (= (_ bv1 1) (select |old(#valid)| |~#atanhi_atan~0.base|))) (not (= (_ bv1 1) (select |old(#valid)| |~#atanlo_atan~0.base|))) (= |~#atanhi_atan~0.base| |~#aT_atan~0.base|) (not (= ~pi_o_2~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 3141592741.0 2000000000.0))))) (and (= |#valid| |old(#valid)|) (= |old(#memory_int)| |#memory_int|)) (not (= (let ((.cse0 (select (select |old(#memory_int)| |~#atanhi_atan~0.base|) (bvadd |~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 15707962513.0 10000000000.0))))) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 75497894159.0 1000000000000000000.0))) (let ((.cse1 (select (select |old(#memory_int)| |~#atanlo_atan~0.base|) (bvadd |~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))))) [2018-10-26 20:48:41,471 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 120 136) no Hoare annotation was computed. [2018-10-26 20:48:41,471 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 120 136) no Hoare annotation was computed. [2018-10-26 20:48:41,471 INFO L425 ceAbstractionStarter]: For program point L131(line 131) no Hoare annotation was computed. [2018-10-26 20:48:41,471 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 133) no Hoare annotation was computed. [2018-10-26 20:48:41,471 INFO L421 ceAbstractionStarter]: At program point atan_floatENTRY(lines 56 118) the Hoare annotation is: (or (= |~#atanhi_atan~0.base| |~#atanlo_atan~0.base|) (not (= (_ bv1 1) (select |old(#valid)| |~#aT_atan~0.base|))) (= |~#aT_atan~0.base| |~#atanlo_atan~0.base|) (not (= (_ bv1 1) (select |old(#valid)| |~#atanhi_atan~0.base|))) (not (= (_ bv1 1) (select |old(#valid)| |~#atanlo_atan~0.base|))) (= |~#atanhi_atan~0.base| |~#aT_atan~0.base|) (not (= ~pi_o_2~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 3141592741.0 2000000000.0))))) (and (= |#valid| |old(#valid)|) (= |old(#memory_int)| |#memory_int|)) (not (= (let ((.cse0 (select (select |old(#memory_int)| |~#atanhi_atan~0.base|) (bvadd |~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 15707962513.0 10000000000.0))))) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 75497894159.0 1000000000000000000.0))) (let ((.cse1 (select (select |old(#memory_int)| |~#atanlo_atan~0.base|) (bvadd |~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))))) [2018-10-26 20:48:41,471 INFO L425 ceAbstractionStarter]: For program point atan_floatFINAL(lines 56 118) no Hoare annotation was computed. [2018-10-26 20:48:41,471 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 60 64) no Hoare annotation was computed. [2018-10-26 20:48:41,472 INFO L421 ceAbstractionStarter]: At program point L60-3(lines 60 64) the Hoare annotation is: (or (and (= |#valid| |old(#valid)|) (= |old(#memory_int)| |#memory_int|) (= |atan_float_#in~x| atan_float_~x)) (= |~#atanhi_atan~0.base| |~#atanlo_atan~0.base|) (not (= (_ bv1 1) (select |old(#valid)| |~#aT_atan~0.base|))) (= |~#aT_atan~0.base| |~#atanlo_atan~0.base|) (not (= (_ bv1 1) (select |old(#valid)| |~#atanhi_atan~0.base|))) (not (= (_ bv1 1) (select |old(#valid)| |~#atanlo_atan~0.base|))) (= |~#atanhi_atan~0.base| |~#aT_atan~0.base|) (not (= ~pi_o_2~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 3141592741.0 2000000000.0))))) (not (= (let ((.cse0 (select (select |old(#memory_int)| |~#atanhi_atan~0.base|) (bvadd |~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 15707962513.0 10000000000.0))))) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 75497894159.0 1000000000000000000.0))) (let ((.cse1 (select (select |old(#memory_int)| |~#atanlo_atan~0.base|) (bvadd |~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))))) [2018-10-26 20:48:41,479 INFO L425 ceAbstractionStarter]: For program point L60-4(lines 60 64) no Hoare annotation was computed. [2018-10-26 20:48:41,479 INFO L421 ceAbstractionStarter]: At program point L81(line 81) the Hoare annotation is: (or (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)) (= |~#atanhi_atan~0.base| |~#atanlo_atan~0.base|) (not (= (_ bv1 1) (select |old(#valid)| |~#aT_atan~0.base|))) (= |~#aT_atan~0.base| |~#atanlo_atan~0.base|) (not (= (_ bv1 1) (select |old(#valid)| |~#atanhi_atan~0.base|))) (not (= (_ bv1 1) (select |old(#valid)| |~#atanlo_atan~0.base|))) (= |~#atanhi_atan~0.base| |~#aT_atan~0.base|) (not (= ~pi_o_2~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 3141592741.0 2000000000.0))))) (not (= (let ((.cse0 (select (select |old(#memory_int)| |~#atanhi_atan~0.base|) (bvadd |~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 15707962513.0 10000000000.0))))) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE (/ 75497894159.0 1000000000000000000.0))) (let ((.cse1 (select (select |old(#memory_int)| |~#atanlo_atan~0.base|) (bvadd |~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))))) [2018-10-26 20:48:41,479 INFO L425 ceAbstractionStarter]: For program point L81-1(line 81) no Hoare annotation was computed. [2018-10-26 20:48:41,479 INFO L425 ceAbstractionStarter]: For program point L110(line 110) no Hoare annotation was computed. [2018-10-26 20:48:41,480 INFO L425 ceAbstractionStarter]: For program point L110-1(line 110) no Hoare annotation was computed. [2018-10-26 20:48:41,480 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-10-26 20:48:41,480 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 72) no Hoare annotation was computed. [2018-10-26 20:48:41,480 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-10-26 20:48:41,480 INFO L425 ceAbstractionStarter]: For program point L61-1(line 61) no Hoare annotation was computed. [2018-10-26 20:48:41,480 INFO L425 ceAbstractionStarter]: For program point L61-2(line 61) no Hoare annotation was computed. [2018-10-26 20:48:41,480 INFO L425 ceAbstractionStarter]: For program point L61-3(line 61) no Hoare annotation was computed. [2018-10-26 20:48:41,480 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-10-26 20:48:41,480 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 98) no Hoare annotation was computed. [2018-10-26 20:48:41,480 INFO L425 ceAbstractionStarter]: For program point L115-1(line 115) no Hoare annotation was computed. [2018-10-26 20:48:41,480 INFO L425 ceAbstractionStarter]: For program point L115-2(line 115) no Hoare annotation was computed. [2018-10-26 20:48:41,480 INFO L425 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-10-26 20:48:41,480 INFO L425 ceAbstractionStarter]: For program point L111-1(line 111) no Hoare annotation was computed. [2018-10-26 20:48:41,480 INFO L425 ceAbstractionStarter]: For program point L111-2(line 111) no Hoare annotation was computed. [2018-10-26 20:48:41,481 INFO L425 ceAbstractionStarter]: For program point L111-3(line 111) no Hoare annotation was computed. [2018-10-26 20:48:41,481 INFO L425 ceAbstractionStarter]: For program point L107(line 107) no Hoare annotation was computed. [2018-10-26 20:48:41,481 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 99) no Hoare annotation was computed. [2018-10-26 20:48:41,481 INFO L425 ceAbstractionStarter]: For program point L107-1(line 107) no Hoare annotation was computed. [2018-10-26 20:48:41,481 INFO L425 ceAbstractionStarter]: For program point L107-2(line 107) no Hoare annotation was computed. [2018-10-26 20:48:41,481 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-10-26 20:48:41,481 INFO L425 ceAbstractionStarter]: For program point L70-1(line 70) no Hoare annotation was computed. [2018-10-26 20:48:41,481 INFO L425 ceAbstractionStarter]: For program point L70-2(line 70) no Hoare annotation was computed. [2018-10-26 20:48:41,481 INFO L425 ceAbstractionStarter]: For program point L66(lines 66 73) no Hoare annotation was computed. [2018-10-26 20:48:41,481 INFO L425 ceAbstractionStarter]: For program point L62(line 62) no Hoare annotation was computed. [2018-10-26 20:48:41,481 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2018-10-26 20:48:41,481 INFO L425 ceAbstractionStarter]: For program point L91-2(lines 74 99) no Hoare annotation was computed. [2018-10-26 20:48:41,481 INFO L425 ceAbstractionStarter]: For program point L116(line 116) no Hoare annotation was computed. [2018-10-26 20:48:41,481 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-10-26 20:48:41,481 INFO L425 ceAbstractionStarter]: For program point L116-2(line 116) no Hoare annotation was computed. [2018-10-26 20:48:41,481 INFO L425 ceAbstractionStarter]: For program point L112(lines 112 117) no Hoare annotation was computed. [2018-10-26 20:48:41,482 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 78) no Hoare annotation was computed. [2018-10-26 20:48:41,482 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 78) no Hoare annotation was computed. [2018-10-26 20:48:41,482 INFO L425 ceAbstractionStarter]: For program point L104(line 104) no Hoare annotation was computed. [2018-10-26 20:48:41,482 INFO L425 ceAbstractionStarter]: For program point L104-1(line 104) no Hoare annotation was computed. [2018-10-26 20:48:41,482 INFO L425 ceAbstractionStarter]: For program point L67(lines 67 68) no Hoare annotation was computed. [2018-10-26 20:48:41,482 INFO L425 ceAbstractionStarter]: For program point atan_floatEXIT(lines 56 118) no Hoare annotation was computed. [2018-10-26 20:48:41,482 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-10-26 20:48:41,482 INFO L425 ceAbstractionStarter]: For program point L63-1(line 63) no Hoare annotation was computed. [2018-10-26 20:48:41,482 INFO L425 ceAbstractionStarter]: For program point L63-2(line 63) no Hoare annotation was computed. [2018-10-26 20:48:41,482 INFO L425 ceAbstractionStarter]: For program point L76(lines 76 77) no Hoare annotation was computed. [2018-10-26 20:48:41,482 INFO L425 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-10-26 20:48:41,482 INFO L425 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2018-10-26 20:48:41,482 INFO L425 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2018-10-26 20:48:41,482 INFO L425 ceAbstractionStarter]: For program point L72-2(line 72) no Hoare annotation was computed. [2018-10-26 20:48:41,505 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:48:41,506 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:48:41,506 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:48:41,506 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:48:41,507 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:48:41,507 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:48:41,508 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-26 20:48:41,508 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-26 20:48:41,509 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-26 20:48:41,509 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-26 20:48:41,509 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-26 20:48:41,509 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-26 20:48:41,509 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-26 20:48:41,509 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-26 20:48:41,515 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:48:41,515 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:48:41,515 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:48:41,516 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:48:41,516 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:48:41,516 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:48:41,516 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-26 20:48:41,516 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-26 20:48:41,516 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-26 20:48:41,517 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-26 20:48:41,517 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-26 20:48:41,517 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-26 20:48:41,517 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-26 20:48:41,517 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-26 20:48:41,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:48:41 BoogieIcfgContainer [2018-10-26 20:48:41,523 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 20:48:41,523 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:48:41,523 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:48:41,524 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:48:41,524 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:48:06" (3/4) ... [2018-10-26 20:48:41,527 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 20:48:41,533 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-10-26 20:48:41,533 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 20:48:41,533 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-10-26 20:48:41,533 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 20:48:41,534 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2018-10-26 20:48:41,540 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2018-10-26 20:48:41,540 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-10-26 20:48:41,541 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-10-26 20:48:41,541 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 20:48:41,564 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\valid == \old(\valid) && \old(unknown-#memory_int-unknown) == unknown-#memory_int-unknown) && \old(x) == x) || atanhi_atan == atanlo_atan) || !(1bv1 == \old(\valid)[aT_atan])) || aT_atan == atanlo_atan) || !(1bv1 == \old(\valid)[atanhi_atan])) || !(1bv1 == \old(\valid)[atanlo_atan])) || atanhi_atan == aT_atan) || !(pi_o_2 == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 3141592741/2000000000)))) || !(~fp~LONGDOUBLE(\old(unknown-#memory_int-unknown)[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], \old(unknown-#memory_int-unknown)[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], \old(unknown-#memory_int-unknown)[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0]) == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 15707962513/10000000000)))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(\old(unknown-#memory_int-unknown)[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], \old(unknown-#memory_int-unknown)[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], \old(unknown-#memory_int-unknown)[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0])) [2018-10-26 20:48:41,599 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_088c7715-0bb1-4b4a-bbd2-bb2e4ed2214f/bin-2019/uautomizer/witness.graphml [2018-10-26 20:48:41,602 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:48:41,603 INFO L168 Benchmark]: Toolchain (without parser) took 46373.69 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 259.5 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -241.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-10-26 20:48:41,604 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:48:41,604 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.02 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 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. [2018-10-26 20:48:41,604 INFO L168 Benchmark]: Boogie Preprocessor took 81.18 ms. Allocated memory is still 1.0 GB. Free memory was 934.4 MB in the beginning and 929.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:48:41,605 INFO L168 Benchmark]: RCFGBuilder took 10469.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 929.1 MB in the beginning and 1.1 GB in the end (delta: -164.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2018-10-26 20:48:41,605 INFO L168 Benchmark]: TraceAbstraction took 35429.12 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 108.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -98.4 MB). Peak memory consumption was 337.3 MB. Max. memory is 11.5 GB. [2018-10-26 20:48:41,605 INFO L168 Benchmark]: Witness Printer took 79.27 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:48:41,606 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 311.02 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 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 81.18 ms. Allocated memory is still 1.0 GB. Free memory was 934.4 MB in the beginning and 929.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 10469.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 929.1 MB in the beginning and 1.1 GB in the end (delta: -164.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 35429.12 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 108.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -98.4 MB). Peak memory consumption was 337.3 MB. Max. memory is 11.5 GB. * Witness Printer took 79.27 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 131]: 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 [2018-10-26 20:48:41,615 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:48:41,615 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:48:41,616 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:48:41,616 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:48:41,616 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:48:41,616 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:48:41,616 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-26 20:48:41,616 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-26 20:48:41,617 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-26 20:48:41,617 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-26 20:48:41,617 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-26 20:48:41,617 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-26 20:48:41,617 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-26 20:48:41,617 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-26 20:48:41,618 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:48:41,618 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:48:41,618 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:48:41,618 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:48:41,618 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:48:41,619 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:48:41,619 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-26 20:48:41,620 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-26 20:48:41,620 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-26 20:48:41,620 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-26 20:48:41,620 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-26 20:48:41,620 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-26 20:48:41,620 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-10-26 20:48:41,620 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((((((((\valid == \old(\valid) && \old(unknown-#memory_int-unknown) == unknown-#memory_int-unknown) && \old(x) == x) || atanhi_atan == atanlo_atan) || !(1bv1 == \old(\valid)[aT_atan])) || aT_atan == atanlo_atan) || !(1bv1 == \old(\valid)[atanhi_atan])) || !(1bv1 == \old(\valid)[atanlo_atan])) || atanhi_atan == aT_atan) || !(pi_o_2 == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 3141592741/2000000000)))) || !(~fp~LONGDOUBLE(\old(unknown-#memory_int-unknown)[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], \old(unknown-#memory_int-unknown)[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], \old(unknown-#memory_int-unknown)[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0]) == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 15707962513/10000000000)))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(\old(unknown-#memory_int-unknown)[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], \old(unknown-#memory_int-unknown)[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], \old(unknown-#memory_int-unknown)[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0])) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 117 locations, 1 error locations. SAFE Result, 35.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 26.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 372 SDtfs, 515 SDslu, 1327 SDs, 0 SdLazy, 839 SolverSat, 87 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 21.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 270 GetRequests, 204 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred 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, 5 MinimizatonAttempts, 22 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 12 PreInvPairs, 15 NumberOfFragments, 710 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 400 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 7.4s InterpolantComputationTime, 246 NumberOfCodeBlocks, 246 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 241 ConstructedInterpolants, 39 QuantifiedInterpolants, 182265 SizeOfPredicates, 36 NumberOfNonLiveVariables, 703 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...