./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0250a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ff3d9163-d3a6-4cb7-a64e-218903f9ed93/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ff3d9163-d3a6-4cb7-a64e-218903f9ed93/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ff3d9163-d3a6-4cb7-a64e-218903f9ed93/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ff3d9163-d3a6-4cb7-a64e-218903f9ed93/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0250a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ff3d9163-d3a6-4cb7-a64e-218903f9ed93/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ff3d9163-d3a6-4cb7-a64e-218903f9ed93/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78ea74dfa7532b5891dcf798c387cbc67437d79b ................................................................................................................................................................................................................................................................................................................................ 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_ff3d9163-d3a6-4cb7-a64e-218903f9ed93/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ff3d9163-d3a6-4cb7-a64e-218903f9ed93/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ff3d9163-d3a6-4cb7-a64e-218903f9ed93/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ff3d9163-d3a6-4cb7-a64e-218903f9ed93/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0250a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ff3d9163-d3a6-4cb7-a64e-218903f9ed93/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ff3d9163-d3a6-4cb7-a64e-218903f9ed93/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 78ea74dfa7532b5891dcf798c387cbc67437d79b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 03:39:15,646 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 03:39:15,647 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 03:39:15,655 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 03:39:15,655 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 03:39:15,656 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 03:39:15,656 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 03:39:15,657 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 03:39:15,658 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 03:39:15,659 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 03:39:15,660 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 03:39:15,660 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 03:39:15,661 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 03:39:15,661 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 03:39:15,662 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 03:39:15,663 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 03:39:15,663 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 03:39:15,664 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 03:39:15,666 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 03:39:15,667 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 03:39:15,668 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 03:39:15,668 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 03:39:15,670 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 03:39:15,670 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 03:39:15,670 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 03:39:15,671 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 03:39:15,671 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 03:39:15,672 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 03:39:15,673 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 03:39:15,673 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 03:39:15,673 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 03:39:15,674 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 03:39:15,674 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 03:39:15,674 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 03:39:15,675 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 03:39:15,675 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 03:39:15,675 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ff3d9163-d3a6-4cb7-a64e-218903f9ed93/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 03:39:15,685 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 03:39:15,686 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 03:39:15,686 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 03:39:15,686 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 03:39:15,686 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 03:39:15,687 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 03:39:15,687 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 03:39:15,687 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 03:39:15,687 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 03:39:15,687 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 03:39:15,687 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 03:39:15,687 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 03:39:15,687 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 03:39:15,688 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 03:39:15,688 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 03:39:15,688 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 03:39:15,688 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 03:39:15,688 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 03:39:15,689 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 03:39:15,689 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 03:39:15,689 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 03:39:15,689 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 03:39:15,689 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 03:39:15,689 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 03:39:15,689 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 03:39:15,689 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 03:39:15,690 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 03:39:15,690 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 03:39:15,690 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 03:39:15,690 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 03:39:15,690 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 03:39:15,690 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 03:39:15,690 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 03:39:15,690 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 03:39:15,690 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 03:39:15,690 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 03:39:15,690 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_ff3d9163-d3a6-4cb7-a64e-218903f9ed93/bin-2019/utaipan 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 -> Taipan 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 -> 78ea74dfa7532b5891dcf798c387cbc67437d79b [2018-12-09 03:39:15,713 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 03:39:15,722 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 03:39:15,725 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 03:39:15,726 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 03:39:15,726 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 03:39:15,726 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ff3d9163-d3a6-4cb7-a64e-218903f9ed93/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0250a_true-unreach-call.c [2018-12-09 03:39:15,766 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ff3d9163-d3a6-4cb7-a64e-218903f9ed93/bin-2019/utaipan/data/ed2b59ae8/dc0d67739c8b4eb9922e5693d706a371/FLAG6069b74dd [2018-12-09 03:39:16,111 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 03:39:16,112 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ff3d9163-d3a6-4cb7-a64e-218903f9ed93/sv-benchmarks/c/float-newlib/float_req_bl_0250a_true-unreach-call.c [2018-12-09 03:39:16,116 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ff3d9163-d3a6-4cb7-a64e-218903f9ed93/bin-2019/utaipan/data/ed2b59ae8/dc0d67739c8b4eb9922e5693d706a371/FLAG6069b74dd [2018-12-09 03:39:16,494 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ff3d9163-d3a6-4cb7-a64e-218903f9ed93/bin-2019/utaipan/data/ed2b59ae8/dc0d67739c8b4eb9922e5693d706a371 [2018-12-09 03:39:16,496 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 03:39:16,497 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 03:39:16,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 03:39:16,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 03:39:16,500 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 03:39:16,500 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:39:16" (1/1) ... [2018-12-09 03:39:16,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a9438d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:39:16, skipping insertion in model container [2018-12-09 03:39:16,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:39:16" (1/1) ... [2018-12-09 03:39:16,506 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 03:39:16,520 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 03:39:16,633 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 03:39:16,635 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 03:39:16,664 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 03:39:16,708 INFO L195 MainTranslator]: Completed translation [2018-12-09 03:39:16,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:39:16 WrapperNode [2018-12-09 03:39:16,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 03:39:16,709 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 03:39:16,709 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 03:39:16,709 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 03:39:16,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:39:16" (1/1) ... [2018-12-09 03:39:16,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:39:16" (1/1) ... [2018-12-09 03:39:16,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 03:39:16,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 03:39:16,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 03:39:16,726 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 03:39:16,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:39:16" (1/1) ... [2018-12-09 03:39:16,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:39:16" (1/1) ... [2018-12-09 03:39:16,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:39:16" (1/1) ... [2018-12-09 03:39:16,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:39:16" (1/1) ... [2018-12-09 03:39:16,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:39:16" (1/1) ... [2018-12-09 03:39:16,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:39:16" (1/1) ... [2018-12-09 03:39:16,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:39:16" (1/1) ... [2018-12-09 03:39:16,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 03:39:16,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 03:39:16,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 03:39:16,750 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 03:39:16,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:39:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff3d9163-d3a6-4cb7-a64e-218903f9ed93/bin-2019/utaipan/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 [2018-12-09 03:39:16,782 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 03:39:16,782 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 03:39:16,783 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-12-09 03:39:16,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-12-09 03:39:16,783 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-09 03:39:16,783 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-09 03:39:16,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 03:39:16,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 03:39:16,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 03:39:16,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 03:39:16,784 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-12-09 03:39:16,784 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-12-09 03:39:16,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 03:39:16,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 03:39:16,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 03:39:16,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 03:39:16,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 03:39:16,784 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-09 03:39:16,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-09 03:39:16,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 03:39:17,038 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 03:39:17,038 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-09 03:39:17,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:39:17 BoogieIcfgContainer [2018-12-09 03:39:17,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 03:39:17,039 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 03:39:17,039 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 03:39:17,042 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 03:39:17,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:39:16" (1/3) ... [2018-12-09 03:39:17,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@655971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:39:17, skipping insertion in model container [2018-12-09 03:39:17,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:39:16" (2/3) ... [2018-12-09 03:39:17,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@655971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:39:17, skipping insertion in model container [2018-12-09 03:39:17,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:39:17" (3/3) ... [2018-12-09 03:39:17,045 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250a_true-unreach-call.c [2018-12-09 03:39:17,053 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 03:39:17,059 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 03:39:17,073 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 03:39:17,093 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 03:39:17,093 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 03:39:17,093 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 03:39:17,093 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 03:39:17,093 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 03:39:17,093 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 03:39:17,093 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 03:39:17,093 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 03:39:17,105 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2018-12-09 03:39:17,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 03:39:17,108 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:39:17,109 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 03:39:17,110 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:39:17,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:39:17,114 INFO L82 PathProgramCache]: Analyzing trace with hash 257035693, now seen corresponding path program 1 times [2018-12-09 03:39:17,115 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:39:17,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:39:17,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:39:17,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:39:17,144 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:39:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:39:17,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:39:17,205 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 03:39:17,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 03:39:17,206 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:39:17,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 03:39:17,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 03:39:17,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 03:39:17,218 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 2 states. [2018-12-09 03:39:17,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:39:17,234 INFO L93 Difference]: Finished difference Result 144 states and 214 transitions. [2018-12-09 03:39:17,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 03:39:17,235 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-12-09 03:39:17,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:39:17,241 INFO L225 Difference]: With dead ends: 144 [2018-12-09 03:39:17,241 INFO L226 Difference]: Without dead ends: 72 [2018-12-09 03:39:17,243 INFO L631 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 [2018-12-09 03:39:17,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-12-09 03:39:17,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-12-09 03:39:17,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-12-09 03:39:17,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 89 transitions. [2018-12-09 03:39:17,267 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 89 transitions. Word has length 21 [2018-12-09 03:39:17,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:39:17,267 INFO L480 AbstractCegarLoop]: Abstraction has 72 states and 89 transitions. [2018-12-09 03:39:17,267 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 03:39:17,267 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2018-12-09 03:39:17,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 03:39:17,267 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:39:17,268 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 03:39:17,268 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:39:17,268 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:39:17,268 INFO L82 PathProgramCache]: Analyzing trace with hash -225488588, now seen corresponding path program 1 times [2018-12-09 03:39:17,268 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:39:17,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:39:17,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:39:17,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:39:17,269 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:39:17,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 03:39:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 03:39:17,320 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 03:39:17,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 03:39:17 BoogieIcfgContainer [2018-12-09 03:39:17,342 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 03:39:17,342 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 03:39:17,342 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 03:39:17,342 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 03:39:17,342 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:39:17" (3/4) ... [2018-12-09 03:39:17,345 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 03:39:17,345 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 03:39:17,345 INFO L168 Benchmark]: Toolchain (without parser) took 848.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 951.3 MB in the beginning and 1.0 GB in the end (delta: -89.8 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. [2018-12-09 03:39:17,346 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-12-09 03:39:17,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 211.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -169.4 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. [2018-12-09 03:39:17,347 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.63 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-09 03:39:17,347 INFO L168 Benchmark]: Boogie Preprocessor took 23.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 03:39:17,347 INFO L168 Benchmark]: RCFGBuilder took 288.90 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: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 11.5 GB. [2018-12-09 03:39:17,347 INFO L168 Benchmark]: TraceAbstraction took 302.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.5 MB). Peak memory consumption was 41.5 MB. Max. memory is 11.5 GB. [2018-12-09 03:39:17,348 INFO L168 Benchmark]: Witness Printer took 2.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 03:39:17,349 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 211.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -169.4 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.63 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.92 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 288.90 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: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 302.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.5 MB). Peak memory consumption was 41.5 MB. Max. memory is 11.5 GB. * Witness Printer took 2.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 233]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of someUnaryDOUBLEoperation at line 147, overapproximation of bitwiseAnd at line 161, overapproximation of someUnaryFLOAToperation at line 145, overapproximation of someBinaryArithmeticFLOAToperation at line 164. Possible FailurePath: [L12] static const float huge_floor = 1.0e30; [L60] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L143-L151] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [\old(huge_asin)=6442450968, \old(huge_floor)=6442450957, \old(one_asin)=6442450960, \old(one_sqrt)=6442450958, \old(pio2_hi_asin)=6442450959, \old(pio2_lo_asin)=6442450952, \old(pio4_hi_asin)=6442450961, \old(pS0_asin)=6442450966, \old(pS1_asin)=6442450962, \old(pS2_asin)=6442450946, \old(pS3_asin)=6442450965, \old(pS4_asin)=6442450954, \old(pS5_asin)=6442450951, \old(qS1_asin)=6442450969, \old(qS2_asin)=6442450955, \old(qS3_asin)=6442450945, \old(qS4_asin)=6442450967, \old(tiny_sqrt)=6442450953, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L228] float x = 1.0f / 0.0f; VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L229] CALL, EXPR __ieee754_asinf(x) VAL [\old(x)=6442450963, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L154] float t, w, p, q, c, r, s; [L155] __int32_t hx, ix; VAL [\old(x)=6442450963, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450963] [L157] ieee_float_shape_type gf_u; [L158] gf_u.value = (x) [L159] EXPR gf_u.word [L159] (hx) = gf_u.word [L161] ix = hx & 0x7fffffff VAL [\old(x)=6442450963, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-2147483648, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450963] [L162] COND TRUE ix == 0x3f800000 [L164] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=6442450963, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, hx=-2147483648, ix=1065353216, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450963] [L229] RET, EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=6442450949, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450963] [L229] float res = __ieee754_asinf(x); [L232] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450949, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L58] return x != x; VAL [\old(x)=6442450949, \result=0, huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=6442450949] [L232] RET, EXPR isnan_float(res) VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, isnan_float(res)=0, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=6442450949, tiny_sqrt=1/1000000000000000000000000000000, x=6442450963] [L232] COND TRUE !isnan_float(res) [L233] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=6442450949, tiny_sqrt=1/1000000000000000000000000000000, x=6442450963] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 76 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 93 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=76occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 400 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 03:39:18,677 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 03:39:18,678 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 03:39:18,685 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 03:39:18,685 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 03:39:18,685 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 03:39:18,686 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 03:39:18,687 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 03:39:18,688 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 03:39:18,688 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 03:39:18,688 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 03:39:18,689 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 03:39:18,689 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 03:39:18,690 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 03:39:18,690 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 03:39:18,691 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 03:39:18,691 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 03:39:18,692 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 03:39:18,693 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 03:39:18,694 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 03:39:18,695 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 03:39:18,696 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 03:39:18,698 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 03:39:18,698 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 03:39:18,698 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 03:39:18,699 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 03:39:18,699 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 03:39:18,699 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 03:39:18,700 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 03:39:18,701 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 03:39:18,701 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 03:39:18,701 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 03:39:18,702 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 03:39:18,702 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 03:39:18,702 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 03:39:18,703 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 03:39:18,703 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ff3d9163-d3a6-4cb7-a64e-218903f9ed93/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 03:39:18,713 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 03:39:18,713 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 03:39:18,714 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 03:39:18,714 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 03:39:18,714 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 03:39:18,714 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 03:39:18,714 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 03:39:18,715 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 03:39:18,715 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 03:39:18,715 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 03:39:18,715 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 03:39:18,716 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 03:39:18,716 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 03:39:18,716 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 03:39:18,716 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 03:39:18,716 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 03:39:18,716 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 03:39:18,717 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 03:39:18,717 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 03:39:18,717 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 03:39:18,717 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 03:39:18,717 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 03:39:18,717 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 03:39:18,718 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 03:39:18,718 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 03:39:18,718 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 03:39:18,718 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 03:39:18,718 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 03:39:18,718 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 03:39:18,718 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 03:39:18,719 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 03:39:18,719 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 03:39:18,719 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 03:39:18,719 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 03:39:18,719 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 03:39:18,719 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_ff3d9163-d3a6-4cb7-a64e-218903f9ed93/bin-2019/utaipan 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 -> Taipan 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 -> 78ea74dfa7532b5891dcf798c387cbc67437d79b [2018-12-09 03:39:18,743 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 03:39:18,750 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 03:39:18,752 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 03:39:18,753 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 03:39:18,753 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 03:39:18,753 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ff3d9163-d3a6-4cb7-a64e-218903f9ed93/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0250a_true-unreach-call.c [2018-12-09 03:39:18,788 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ff3d9163-d3a6-4cb7-a64e-218903f9ed93/bin-2019/utaipan/data/1d5b0dddf/4b0913d5239c419aaaecaa57935529e5/FLAG0de731151 [2018-12-09 03:39:19,210 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 03:39:19,211 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ff3d9163-d3a6-4cb7-a64e-218903f9ed93/sv-benchmarks/c/float-newlib/float_req_bl_0250a_true-unreach-call.c [2018-12-09 03:39:19,215 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ff3d9163-d3a6-4cb7-a64e-218903f9ed93/bin-2019/utaipan/data/1d5b0dddf/4b0913d5239c419aaaecaa57935529e5/FLAG0de731151 [2018-12-09 03:39:19,223 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ff3d9163-d3a6-4cb7-a64e-218903f9ed93/bin-2019/utaipan/data/1d5b0dddf/4b0913d5239c419aaaecaa57935529e5 [2018-12-09 03:39:19,225 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 03:39:19,226 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 03:39:19,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 03:39:19,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 03:39:19,228 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 03:39:19,229 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:39:19" (1/1) ... [2018-12-09 03:39:19,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@736e3ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:39:19, skipping insertion in model container [2018-12-09 03:39:19,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:39:19" (1/1) ... [2018-12-09 03:39:19,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 03:39:19,249 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 03:39:19,370 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 03:39:19,374 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 03:39:19,408 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 03:39:19,423 INFO L195 MainTranslator]: Completed translation [2018-12-09 03:39:19,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:39:19 WrapperNode [2018-12-09 03:39:19,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 03:39:19,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 03:39:19,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 03:39:19,424 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 03:39:19,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:39:19" (1/1) ... [2018-12-09 03:39:19,437 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:39:19" (1/1) ... [2018-12-09 03:39:19,469 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 03:39:19,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 03:39:19,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 03:39:19,470 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 03:39:19,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:39:19" (1/1) ... [2018-12-09 03:39:19,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:39:19" (1/1) ... [2018-12-09 03:39:19,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:39:19" (1/1) ... [2018-12-09 03:39:19,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:39:19" (1/1) ... [2018-12-09 03:39:19,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:39:19" (1/1) ... [2018-12-09 03:39:19,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:39:19" (1/1) ... [2018-12-09 03:39:19,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:39:19" (1/1) ... [2018-12-09 03:39:19,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 03:39:19,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 03:39:19,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 03:39:19,497 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 03:39:19,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:39:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff3d9163-d3a6-4cb7-a64e-218903f9ed93/bin-2019/utaipan/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 [2018-12-09 03:39:19,527 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 03:39:19,527 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 03:39:19,527 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-12-09 03:39:19,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-12-09 03:39:19,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-09 03:39:19,527 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-09 03:39:19,527 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-09 03:39:19,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 03:39:19,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 03:39:19,528 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-12-09 03:39:19,528 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-12-09 03:39:19,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 03:39:19,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 03:39:19,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 03:39:19,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 03:39:19,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-09 03:39:19,528 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-09 03:39:19,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-09 03:39:19,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 03:39:19,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 03:39:19,654 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 03:39:28,685 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 03:39:28,719 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 03:39:29,116 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 03:39:29,122 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 03:39:29,122 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-09 03:39:29,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:39:29 BoogieIcfgContainer [2018-12-09 03:39:29,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 03:39:29,124 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 03:39:29,124 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 03:39:29,126 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 03:39:29,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:39:19" (1/3) ... [2018-12-09 03:39:29,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f516349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:39:29, skipping insertion in model container [2018-12-09 03:39:29,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:39:19" (2/3) ... [2018-12-09 03:39:29,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f516349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:39:29, skipping insertion in model container [2018-12-09 03:39:29,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:39:29" (3/3) ... [2018-12-09 03:39:29,129 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250a_true-unreach-call.c [2018-12-09 03:39:29,135 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 03:39:29,140 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 03:39:29,149 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 03:39:29,169 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 03:39:29,169 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 03:39:29,169 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 03:39:29,169 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 03:39:29,170 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 03:39:29,170 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 03:39:29,170 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 03:39:29,170 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 03:39:29,170 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 03:39:29,181 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2018-12-09 03:39:29,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 03:39:29,185 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:39:29,185 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 03:39:29,187 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:39:29,191 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:39:29,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1204794971, now seen corresponding path program 1 times [2018-12-09 03:39:29,193 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 03:39:29,194 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff3d9163-d3a6-4cb7-a64e-218903f9ed93/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-09 03:39:29,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:39:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:39:29,376 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 03:39:29,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:39:29,387 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 03:39:29,397 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 03:39:29,398 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 03:39:29,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 03:39:29,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 03:39:29,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 03:39:29,409 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2018-12-09 03:39:29,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:39:29,426 INFO L93 Difference]: Finished difference Result 142 states and 212 transitions. [2018-12-09 03:39:29,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 03:39:29,427 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-12-09 03:39:29,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:39:29,435 INFO L225 Difference]: With dead ends: 142 [2018-12-09 03:39:29,435 INFO L226 Difference]: Without dead ends: 71 [2018-12-09 03:39:29,438 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 03:39:29,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-12-09 03:39:29,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-12-09 03:39:29,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-12-09 03:39:29,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 88 transitions. [2018-12-09 03:39:29,465 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 88 transitions. Word has length 20 [2018-12-09 03:39:29,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:39:29,466 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 88 transitions. [2018-12-09 03:39:29,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 03:39:29,466 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2018-12-09 03:39:29,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 03:39:29,467 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:39:29,467 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 03:39:29,467 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:39:29,467 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:39:29,468 INFO L82 PathProgramCache]: Analyzing trace with hash -624565231, now seen corresponding path program 1 times [2018-12-09 03:39:29,468 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 03:39:29,468 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff3d9163-d3a6-4cb7-a64e-218903f9ed93/bin-2019/utaipan/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 [2018-12-09 03:39:29,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:39:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:39:29,645 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 03:39:29,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:39:29,725 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 03:39:29,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 03:39:29,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 03:39:29,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 03:39:29,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 03:39:29,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 03:39:29,735 INFO L87 Difference]: Start difference. First operand 71 states and 88 transitions. Second operand 7 states. [2018-12-09 03:39:36,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:39:36,212 INFO L93 Difference]: Finished difference Result 84 states and 101 transitions. [2018-12-09 03:39:36,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 03:39:36,213 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-12-09 03:39:36,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:39:36,215 INFO L225 Difference]: With dead ends: 84 [2018-12-09 03:39:36,215 INFO L226 Difference]: Without dead ends: 74 [2018-12-09 03:39:36,216 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-09 03:39:36,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-12-09 03:39:36,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 71. [2018-12-09 03:39:36,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-12-09 03:39:36,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 87 transitions. [2018-12-09 03:39:36,222 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 87 transitions. Word has length 21 [2018-12-09 03:39:36,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:39:36,222 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 87 transitions. [2018-12-09 03:39:36,222 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 03:39:36,222 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 87 transitions. [2018-12-09 03:39:36,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 03:39:36,223 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:39:36,223 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 03:39:36,223 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:39:36,223 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:39:36,223 INFO L82 PathProgramCache]: Analyzing trace with hash 2002478333, now seen corresponding path program 1 times [2018-12-09 03:39:36,223 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 03:39:36,224 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff3d9163-d3a6-4cb7-a64e-218903f9ed93/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-09 03:39:36,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:39:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:39:36,418 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 03:39:38,594 WARN L180 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-12-09 03:39:40,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:39:40,625 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 03:39:40,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 03:39:40,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 03:39:40,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 03:39:40,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 03:39:40,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-09 03:39:40,635 INFO L87 Difference]: Start difference. First operand 71 states and 87 transitions. Second operand 9 states. [2018-12-09 03:39:43,627 WARN L180 SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-12-09 03:39:49,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:39:49,694 INFO L93 Difference]: Finished difference Result 80 states and 96 transitions. [2018-12-09 03:39:49,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 03:39:49,694 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-12-09 03:39:49,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:39:49,695 INFO L225 Difference]: With dead ends: 80 [2018-12-09 03:39:49,695 INFO L226 Difference]: Without dead ends: 73 [2018-12-09 03:39:49,696 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-09 03:39:49,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-12-09 03:39:49,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2018-12-09 03:39:49,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-12-09 03:39:49,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 86 transitions. [2018-12-09 03:39:49,703 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 86 transitions. Word has length 22 [2018-12-09 03:39:49,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:39:49,703 INFO L480 AbstractCegarLoop]: Abstraction has 71 states and 86 transitions. [2018-12-09 03:39:49,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 03:39:49,703 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 86 transitions. [2018-12-09 03:39:49,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 03:39:49,703 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:39:49,703 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 03:39:49,704 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:39:49,704 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:39:49,704 INFO L82 PathProgramCache]: Analyzing trace with hash 1628950099, now seen corresponding path program 1 times [2018-12-09 03:39:49,704 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 03:39:49,704 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff3d9163-d3a6-4cb7-a64e-218903f9ed93/bin-2019/utaipan/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 [2018-12-09 03:39:49,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:39:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:39:50,656 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 03:39:50,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:39:50,728 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 03:39:50,745 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 03:39:50,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 03:39:50,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 03:39:50,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 03:39:50,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 03:39:50,746 INFO L87 Difference]: Start difference. First operand 71 states and 86 transitions. Second operand 7 states. [2018-12-09 03:39:55,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:39:55,748 INFO L93 Difference]: Finished difference Result 73 states and 88 transitions. [2018-12-09 03:39:55,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 03:39:55,749 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-12-09 03:39:55,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:39:55,749 INFO L225 Difference]: With dead ends: 73 [2018-12-09 03:39:55,749 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 03:39:55,750 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-09 03:39:55,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 03:39:55,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 03:39:55,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 03:39:55,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 03:39:55,751 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2018-12-09 03:39:55,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:39:55,751 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 03:39:55,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 03:39:55,751 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 03:39:55,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 03:39:55,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 03:39:55,920 INFO L448 ceAbstractionStarter]: For program point isnan_floatFINAL(line 58) no Hoare annotation was computed. [2018-12-09 03:39:55,920 INFO L451 ceAbstractionStarter]: At program point isnan_floatENTRY(line 58) the Hoare annotation is: true [2018-12-09 03:39:55,920 INFO L448 ceAbstractionStarter]: For program point isnan_floatEXIT(line 58) no Hoare annotation was computed. [2018-12-09 03:39:55,920 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 03:39:55,920 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 03:39:55,920 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 03:39:55,920 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2018-12-09 03:39:55,921 INFO L451 ceAbstractionStarter]: At program point L130-2(lines 130 134) the Hoare annotation is: true [2018-12-09 03:39:55,921 INFO L448 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 128 141) no Hoare annotation was computed. [2018-12-09 03:39:55,921 INFO L448 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 128 141) no Hoare annotation was computed. [2018-12-09 03:39:55,921 INFO L451 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 128 141) the Hoare annotation is: true [2018-12-09 03:39:55,921 INFO L448 ceAbstractionStarter]: For program point L135(lines 135 139) no Hoare annotation was computed. [2018-12-09 03:39:55,921 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 128 141) no Hoare annotation was computed. [2018-12-09 03:39:55,921 INFO L448 ceAbstractionStarter]: For program point L135-2(lines 135 139) no Hoare annotation was computed. [2018-12-09 03:39:55,921 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 03:39:55,921 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 03:39:55,921 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 03:39:55,921 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 03:39:55,921 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 233) no Hoare annotation was computed. [2018-12-09 03:39:55,921 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 221 238) the Hoare annotation is: true [2018-12-09 03:39:55,921 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 221 238) no Hoare annotation was computed. [2018-12-09 03:39:55,922 INFO L448 ceAbstractionStarter]: For program point L233(line 233) no Hoare annotation was computed. [2018-12-09 03:39:55,922 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 221 238) no Hoare annotation was computed. [2018-12-09 03:39:55,922 INFO L444 ceAbstractionStarter]: At program point L232(line 232) the Hoare annotation is: (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (and (= main_~res~0 (let ((.cse0 (fp.sub roundNearestTiesToEven .cse1 .cse1))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (= main_~x~0 .cse1))) [2018-12-09 03:39:55,922 INFO L448 ceAbstractionStarter]: For program point L232-1(lines 232 235) no Hoare annotation was computed. [2018-12-09 03:39:55,922 INFO L444 ceAbstractionStarter]: At program point L229(line 229) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) [2018-12-09 03:39:55,922 INFO L448 ceAbstractionStarter]: For program point L229-1(line 229) no Hoare annotation was computed. [2018-12-09 03:39:55,922 INFO L444 ceAbstractionStarter]: At program point L192(line 192) the Hoare annotation is: (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~3))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (not (bvsgt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv1065353216 32))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)))) [2018-12-09 03:39:55,922 INFO L448 ceAbstractionStarter]: For program point L192-1(line 192) no Hoare annotation was computed. [2018-12-09 03:39:55,922 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-09 03:39:55,922 INFO L448 ceAbstractionStarter]: For program point L168(lines 168 181) no Hoare annotation was computed. [2018-12-09 03:39:55,922 INFO L448 ceAbstractionStarter]: For program point L193(lines 193 214) no Hoare annotation was computed. [2018-12-09 03:39:55,923 INFO L448 ceAbstractionStarter]: For program point L193-2(lines 153 219) no Hoare annotation was computed. [2018-12-09 03:39:55,923 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 156 160) no Hoare annotation was computed. [2018-12-09 03:39:55,923 INFO L444 ceAbstractionStarter]: At program point L156-2(lines 156 160) the Hoare annotation is: (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) [2018-12-09 03:39:55,923 INFO L448 ceAbstractionStarter]: For program point L156-3(lines 156 160) no Hoare annotation was computed. [2018-12-09 03:39:55,923 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 170) no Hoare annotation was computed. [2018-12-09 03:39:55,923 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 182) no Hoare annotation was computed. [2018-12-09 03:39:55,923 INFO L451 ceAbstractionStarter]: At program point __ieee754_asinfENTRY(lines 153 219) the Hoare annotation is: true [2018-12-09 03:39:55,923 INFO L448 ceAbstractionStarter]: For program point L199-1(lines 199 203) no Hoare annotation was computed. [2018-12-09 03:39:55,923 INFO L444 ceAbstractionStarter]: At program point L199-2(lines 199 203) the Hoare annotation is: (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~3))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (not (bvsgt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv1065353216 32))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)))) [2018-12-09 03:39:55,923 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinfFINAL(lines 153 219) no Hoare annotation was computed. [2018-12-09 03:39:55,923 INFO L448 ceAbstractionStarter]: For program point L162(lines 162 182) no Hoare annotation was computed. [2018-12-09 03:39:55,923 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinfEXIT(lines 153 219) no Hoare annotation was computed. [2018-12-09 03:39:55,923 INFO L448 ceAbstractionStarter]: For program point L204(lines 204 208) no Hoare annotation was computed. [2018-12-09 03:39:55,923 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 196 214) no Hoare annotation was computed. [2018-12-09 03:39:55,924 INFO L448 ceAbstractionStarter]: For program point L204-2(lines 204 208) no Hoare annotation was computed. [2018-12-09 03:39:55,924 INFO L448 ceAbstractionStarter]: For program point L167(lines 167 182) no Hoare annotation was computed. [2018-12-09 03:39:55,924 INFO L444 ceAbstractionStarter]: At program point L167-1(lines 167 182) the Hoare annotation is: (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~3))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (not (bvsgt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv1065353216 32))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)))) [2018-12-09 03:39:55,924 INFO L448 ceAbstractionStarter]: For program point L77(lines 77 78) no Hoare annotation was computed. [2018-12-09 03:39:55,924 INFO L451 ceAbstractionStarter]: At program point L98-2(lines 98 107) the Hoare annotation is: true [2018-12-09 03:39:55,924 INFO L448 ceAbstractionStarter]: For program point L98-3(lines 62 127) no Hoare annotation was computed. [2018-12-09 03:39:55,924 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2018-12-09 03:39:55,924 INFO L448 ceAbstractionStarter]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2018-12-09 03:39:55,924 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 62 127) the Hoare annotation is: true [2018-12-09 03:39:55,924 INFO L448 ceAbstractionStarter]: For program point L111(lines 111 117) no Hoare annotation was computed. [2018-12-09 03:39:55,924 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 75) no Hoare annotation was computed. [2018-12-09 03:39:55,924 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 62 127) no Hoare annotation was computed. [2018-12-09 03:39:55,924 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 62 127) no Hoare annotation was computed. [2018-12-09 03:39:55,924 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 87) no Hoare annotation was computed. [2018-12-09 03:39:55,925 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 87) no Hoare annotation was computed. [2018-12-09 03:39:55,925 INFO L448 ceAbstractionStarter]: For program point L79(lines 79 80) no Hoare annotation was computed. [2018-12-09 03:39:55,925 INFO L448 ceAbstractionStarter]: For program point L100(lines 100 104) no Hoare annotation was computed. [2018-12-09 03:39:55,925 INFO L448 ceAbstractionStarter]: For program point L67-1(lines 67 71) no Hoare annotation was computed. [2018-12-09 03:39:55,925 INFO L448 ceAbstractionStarter]: For program point L100-2(lines 100 104) no Hoare annotation was computed. [2018-12-09 03:39:55,925 INFO L451 ceAbstractionStarter]: At program point L67-2(lines 67 71) the Hoare annotation is: true [2018-12-09 03:39:55,925 INFO L448 ceAbstractionStarter]: For program point L67-3(lines 67 71) no Hoare annotation was computed. [2018-12-09 03:39:55,925 INFO L448 ceAbstractionStarter]: For program point L121-1(lines 121 125) no Hoare annotation was computed. [2018-12-09 03:39:55,925 INFO L451 ceAbstractionStarter]: At program point L121-2(lines 121 125) the Hoare annotation is: true [2018-12-09 03:39:55,925 INFO L448 ceAbstractionStarter]: For program point L121-3(lines 121 125) no Hoare annotation was computed. [2018-12-09 03:39:55,925 INFO L448 ceAbstractionStarter]: For program point L84-2(lines 84 85) no Hoare annotation was computed. [2018-12-09 03:39:55,925 INFO L451 ceAbstractionStarter]: At program point L84-3(lines 84 85) the Hoare annotation is: true [2018-12-09 03:39:55,925 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 116) no Hoare annotation was computed. [2018-12-09 03:39:55,925 INFO L448 ceAbstractionStarter]: For program point L84-4(lines 84 85) no Hoare annotation was computed. [2018-12-09 03:39:55,925 INFO L448 ceAbstractionStarter]: For program point L109(lines 109 118) no Hoare annotation was computed. [2018-12-09 03:39:55,930 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 03:39:55,930 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 03:39:55,930 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 03:39:55,930 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 03:39:55,931 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 03:39:55,931 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 03:39:55,931 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 03:39:55,931 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 03:39:55,934 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 03:39:55,934 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 03:39:55,934 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 03:39:55,935 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 03:39:55,935 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 03:39:55,935 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 03:39:55,935 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 03:39:55,935 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 03:39:55,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 03:39:55 BoogieIcfgContainer [2018-12-09 03:39:55,937 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 03:39:55,937 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 03:39:55,937 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 03:39:55,937 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 03:39:55,937 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:39:29" (3/4) ... [2018-12-09 03:39:55,939 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 03:39:55,943 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-12-09 03:39:55,943 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 03:39:55,944 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-12-09 03:39:55,944 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 03:39:55,944 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asinf [2018-12-09 03:39:55,944 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-12-09 03:39:55,947 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2018-12-09 03:39:55,947 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-09 03:39:55,948 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 03:39:55,948 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 03:39:55,964 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-09 03:39:55,965 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(x) == x && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1) == ix)) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: !~bvsgt32(~bvand32(2147483647bv32, __ieee754_asinf_~hx~1), 1065353216bv32) && ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x)) [2018-12-09 03:39:55,983 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ff3d9163-d3a6-4cb7-a64e-218903f9ed93/bin-2019/utaipan/witness.graphml [2018-12-09 03:39:55,984 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 03:39:55,984 INFO L168 Benchmark]: Toolchain (without parser) took 36758.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 943.4 MB in the beginning and 911.2 MB in the end (delta: 32.2 MB). Peak memory consumption was 168.5 MB. Max. memory is 11.5 GB. [2018-12-09 03:39:55,985 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 03:39:55,985 INFO L168 Benchmark]: CACSL2BoogieTranslator took 197.57 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 921.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-12-09 03:39:55,985 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 921.9 MB in the beginning and 1.1 GB in the end (delta: -209.3 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-12-09 03:39:55,985 INFO L168 Benchmark]: Boogie Preprocessor took 27.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-09 03:39:55,985 INFO L168 Benchmark]: RCFGBuilder took 9625.75 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: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 11.5 GB. [2018-12-09 03:39:55,985 INFO L168 Benchmark]: TraceAbstraction took 26813.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 917.8 MB in the end (delta: 160.4 MB). Peak memory consumption was 160.4 MB. Max. memory is 11.5 GB. [2018-12-09 03:39:55,986 INFO L168 Benchmark]: Witness Printer took 46.79 ms. Allocated memory is still 1.2 GB. Free memory was 917.8 MB in the beginning and 911.2 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-09 03:39:55,987 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 197.57 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 921.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 921.9 MB in the beginning and 1.1 GB in the end (delta: -209.3 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 9625.75 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: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 26813.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 917.8 MB in the end (delta: 160.4 MB). Peak memory consumption was 160.4 MB. Max. memory is 11.5 GB. * Witness Printer took 46.79 ms. Allocated memory is still 1.2 GB. Free memory was 917.8 MB in the beginning and 911.2 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 233]: 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: 98]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 199]: Loop Invariant [2018-12-09 03:39:55,989 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 03:39:55,989 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 03:39:55,989 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 03:39:55,990 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 03:39:55,990 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 03:39:55,990 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 03:39:55,990 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 03:39:55,990 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 03:39:55,990 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 03:39:55,990 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 03:39:55,991 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 03:39:55,991 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 03:39:55,991 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 03:39:55,991 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 03:39:55,991 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-09 03:39:55,991 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: ((\old(x) == x && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1) == ix)) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: !~bvsgt32(~bvand32(2147483647bv32, __ieee754_asinf_~hx~1), 1065353216bv32) && ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x)) - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 75 locations, 1 error locations. SAFE Result, 26.7s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 20.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 309 SDtfs, 168 SDslu, 1112 SDs, 0 SdLazy, 157 SolverSat, 17 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 16.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 93 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred 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, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 29 PreInvPairs, 39 NumberOfFragments, 203 HoareAnnotationTreeSize, 29 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 83 ConstructedInterpolants, 9 QuantifiedInterpolants, 8867 SizeOfPredicates, 12 NumberOfNonLiveVariables, 435 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...