./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fe2f17a7-cc58-4d88-9607-f805f0db3971/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fe2f17a7-cc58-4d88-9607-f805f0db3971/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fe2f17a7-cc58-4d88-9607-f805f0db3971/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fe2f17a7-cc58-4d88-9607-f805f0db3971/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fe2f17a7-cc58-4d88-9607-f805f0db3971/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fe2f17a7-cc58-4d88-9607-f805f0db3971/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 fd8280e6c85ab06c5ea4e924d9eaa3661cb56ac8 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_fe2f17a7-cc58-4d88-9607-f805f0db3971/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fe2f17a7-cc58-4d88-9607-f805f0db3971/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fe2f17a7-cc58-4d88-9607-f805f0db3971/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fe2f17a7-cc58-4d88-9607-f805f0db3971/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fe2f17a7-cc58-4d88-9607-f805f0db3971/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fe2f17a7-cc58-4d88-9607-f805f0db3971/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 fd8280e6c85ab06c5ea4e924d9eaa3661cb56ac8 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 05:14:02,532 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:14:02,533 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:14:02,541 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:14:02,542 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:14:02,542 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:14:02,543 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:14:02,544 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:14:02,545 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:14:02,546 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:14:02,547 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:14:02,547 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:14:02,547 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:14:02,548 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:14:02,549 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:14:02,549 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:14:02,550 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:14:02,551 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:14:02,552 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:14:02,553 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:14:02,554 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:14:02,555 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:14:02,556 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:14:02,557 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:14:02,557 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:14:02,558 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:14:02,559 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:14:02,559 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:14:02,560 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:14:02,560 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:14:02,561 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:14:02,561 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:14:02,561 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:14:02,561 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:14:02,562 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:14:02,562 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:14:02,562 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fe2f17a7-cc58-4d88-9607-f805f0db3971/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 05:14:02,571 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:14:02,571 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:14:02,572 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:14:02,572 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 05:14:02,572 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 05:14:02,572 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 05:14:02,572 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 05:14:02,572 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 05:14:02,573 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 05:14:02,573 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 05:14:02,573 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 05:14:02,573 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:14:02,574 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:14:02,574 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:14:02,574 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:14:02,574 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:14:02,574 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:14:02,574 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:14:02,574 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:14:02,574 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:14:02,575 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:14:02,575 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:14:02,575 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:14:02,575 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 05:14:02,575 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:14:02,575 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 05:14:02,575 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 05:14:02,576 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:14:02,576 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:14:02,576 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:14:02,576 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 05:14:02,576 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:14:02,576 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:14:02,576 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 05:14:02,577 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_fe2f17a7-cc58-4d88-9607-f805f0db3971/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 -> fd8280e6c85ab06c5ea4e924d9eaa3661cb56ac8 [2018-11-10 05:14:02,600 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:14:02,608 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:14:02,611 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:14:02,612 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:14:02,613 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:14:02,613 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fe2f17a7-cc58-4d88-9607-f805f0db3971/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c [2018-11-10 05:14:02,646 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fe2f17a7-cc58-4d88-9607-f805f0db3971/bin-2019/utaipan/data/1813bbd7e/f224c37f9c1a4f4e81a85b4aacd9c477/FLAGf3807eb7f [2018-11-10 05:14:03,050 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:14:03,051 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fe2f17a7-cc58-4d88-9607-f805f0db3971/sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c [2018-11-10 05:14:03,055 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fe2f17a7-cc58-4d88-9607-f805f0db3971/bin-2019/utaipan/data/1813bbd7e/f224c37f9c1a4f4e81a85b4aacd9c477/FLAGf3807eb7f [2018-11-10 05:14:03,063 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fe2f17a7-cc58-4d88-9607-f805f0db3971/bin-2019/utaipan/data/1813bbd7e/f224c37f9c1a4f4e81a85b4aacd9c477 [2018-11-10 05:14:03,066 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:14:03,067 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:14:03,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:14:03,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:14:03,069 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:14:03,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:14:03" (1/1) ... [2018-11-10 05:14:03,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b4b65ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:03, skipping insertion in model container [2018-11-10 05:14:03,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:14:03" (1/1) ... [2018-11-10 05:14:03,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:14:03,093 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:14:03,204 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:14:03,209 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:14:03,231 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:14:03,245 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:14:03,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:03 WrapperNode [2018-11-10 05:14:03,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:14:03,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:14:03,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:14:03,245 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:14:03,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:03" (1/1) ... [2018-11-10 05:14:03,258 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:03" (1/1) ... [2018-11-10 05:14:03,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:14:03,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:14:03,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:14:03,321 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:14:03,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:03" (1/1) ... [2018-11-10 05:14:03,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:03" (1/1) ... [2018-11-10 05:14:03,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:03" (1/1) ... [2018-11-10 05:14:03,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:03" (1/1) ... [2018-11-10 05:14:03,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:03" (1/1) ... [2018-11-10 05:14:03,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:03" (1/1) ... [2018-11-10 05:14:03,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:03" (1/1) ... [2018-11-10 05:14:03,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:14:03,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:14:03,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:14:03,363 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:14:03,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fe2f17a7-cc58-4d88-9607-f805f0db3971/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 [2018-11-10 05:14:03,416 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 05:14:03,416 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 05:14:03,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 05:14:03,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 05:14:03,416 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-10 05:14:03,416 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-10 05:14:03,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:14:03,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:14:03,417 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-11-10 05:14:03,417 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-11-10 05:14:03,417 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-10 05:14:03,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-10 05:14:03,827 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:14:03,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:14:03 BoogieIcfgContainer [2018-11-10 05:14:03,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:14:03,828 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 05:14:03,828 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 05:14:03,830 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 05:14:03,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:14:03" (1/3) ... [2018-11-10 05:14:03,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ce9c5d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:14:03, skipping insertion in model container [2018-11-10 05:14:03,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:03" (2/3) ... [2018-11-10 05:14:03,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ce9c5d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:14:03, skipping insertion in model container [2018-11-10 05:14:03,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:14:03" (3/3) ... [2018-11-10 05:14:03,832 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0620b_true-unreach-call.c [2018-11-10 05:14:03,838 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 05:14:03,843 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 05:14:03,853 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 05:14:03,874 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 05:14:03,874 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 05:14:03,874 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 05:14:03,874 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 05:14:03,874 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 05:14:03,874 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 05:14:03,874 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 05:14:03,874 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 05:14:03,888 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2018-11-10 05:14:03,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 05:14:03,891 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:14:03,892 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:14:03,894 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 05:14:03,898 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:14:03,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1496292074, now seen corresponding path program 1 times [2018-11-10 05:14:03,900 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 05:14:03,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:14:03,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:14:03,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:14:03,929 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 05:14:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:14:04,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:14:04,026 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:14:04,026 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 05:14:04,027 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 05:14:04,030 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 05:14:04,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 05:14:04,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 05:14:04,039 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 2 states. [2018-11-10 05:14:04,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:14:04,056 INFO L93 Difference]: Finished difference Result 100 states and 142 transitions. [2018-11-10 05:14:04,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 05:14:04,057 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-11-10 05:14:04,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:14:04,063 INFO L225 Difference]: With dead ends: 100 [2018-11-10 05:14:04,063 INFO L226 Difference]: Without dead ends: 50 [2018-11-10 05:14:04,065 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 05:14:04,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-11-10 05:14:04,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-11-10 05:14:04,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-11-10 05:14:04,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 61 transitions. [2018-11-10 05:14:04,088 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 61 transitions. Word has length 18 [2018-11-10 05:14:04,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:14:04,089 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 61 transitions. [2018-11-10 05:14:04,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 05:14:04,089 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2018-11-10 05:14:04,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 05:14:04,089 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:14:04,090 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:14:04,090 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 05:14:04,090 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:14:04,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1778836789, now seen corresponding path program 1 times [2018-11-10 05:14:04,090 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 05:14:04,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:14:04,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:14:04,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:14:04,092 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 05:14:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:14:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:14:04,175 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 05:14:04,189 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:14:04,189 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:14:04,190 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:14:04,190 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:14:04,191 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:14:04,191 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 05:14:04,192 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:14:04,192 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 05:14:04,192 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:14:04,192 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 05:14:04,193 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:14:04,193 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 05:14:04,193 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:14:04,193 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 05:14:04,194 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:14:04,194 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 05:14:04,194 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:14:04,194 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 05:14:04,195 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:14:04,195 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 05:14:04,195 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:14:04,195 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 05:14:04,196 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:14:04,196 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 05:14:04,196 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:14:04,196 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 05:14:04,197 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:14:04,197 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 05:14:04,206 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450961 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-10 05:14:04,207 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450953 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-11-10 05:14:04,207 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450954 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-10 05:14:04,207 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450957 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-11-10 05:14:04,208 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450971 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-10 05:14:04,208 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 6442450950 could not be translated for associated CType ARRAY#_4_~FLOAT# [2018-11-10 05:14:04,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 05:14:04 BoogieIcfgContainer [2018-11-10 05:14:04,219 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 05:14:04,219 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:14:04,219 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:14:04,220 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:14:04,220 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:14:03" (3/4) ... [2018-11-10 05:14:04,223 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 05:14:04,224 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:14:04,224 INFO L168 Benchmark]: Toolchain (without parser) took 1158.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 958.2 MB in the beginning and 1.0 GB in the end (delta: -91.5 MB). Peak memory consumption was 59.5 MB. Max. memory is 11.5 GB. [2018-11-10 05:14:04,226 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:14:04,226 INFO L168 Benchmark]: CACSL2BoogieTranslator took 177.96 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 943.5 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:14:04,226 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -204.8 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:14:04,227 INFO L168 Benchmark]: Boogie Preprocessor took 41.89 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:14:04,227 INFO L168 Benchmark]: RCFGBuilder took 464.37 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: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. [2018-11-10 05:14:04,228 INFO L168 Benchmark]: TraceAbstraction took 390.95 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: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-10 05:14:04,228 INFO L168 Benchmark]: Witness Printer took 4.28 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. [2018-11-10 05:14:04,231 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 177.96 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 943.5 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -204.8 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.89 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 464.37 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: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 390.95 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: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Witness Printer took 4.28 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.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450961 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450953 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450954 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450957 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450971 could not be translated for associated CType ARRAY#_4_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 6442450950 could not be translated for associated CType ARRAY#_4_~FLOAT# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 142]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 141, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 62, overapproximation of someUnaryFLOAToperation at line 137, overapproximation of someBinaryArithmeticFLOAToperation at line 65. Possible FailurePath: [L12] static const float huge_floor = 1.0e30; [L29-L34] CALL static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L29-L34] RET static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L29-L34] RET static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L29-L34] RET static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L29-L34] RET static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L29-L34] RET static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] CALL static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L36-L41] RET static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L36-L41] RET static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L36-L41] RET static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L36-L41] RET static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L36-L41] RET static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] CALL static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L43-L47] RET static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; VAL [\old(aT_atan)=null, \old(aT_atan)=null, \old(atanhi_atan)=null, \old(atanhi_atan)=null, \old(atanlo_atan)=null, \old(atanlo_atan)=null, \old(huge_atan)=6442450967, \old(huge_floor)=6442450963, \old(one_atan)=6442450958, \old(pi)=6442450965, \old(pi_o_2)=6442450945, \old(pi_o_4)=6442450960, aT_atan={6442450948:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L137] float x = -0.0f; VAL [aT_atan={6442450948:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L138] CALL, EXPR atan_float(x) VAL [aT_atan={6442450948:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L54] float w, s1, s2, z; [L55] __int32_t ix, hx, id; VAL [aT_atan={6442450948:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L58] CALL ieee_float_shape_type gf_u; [L58] RET ieee_float_shape_type gf_u; [L59] CALL gf_u.value = (x) [L59] RET gf_u.value = (x) [L60] CALL, EXPR gf_u.word [L60] RET, EXPR gf_u.word [L60] (hx) = gf_u.word [L60] RET (hx) = gf_u.word [L61] COND FALSE !(0) VAL [aT_atan={6442450948:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L62] ix = hx & 0x7fffffff VAL [aT_atan={6442450948:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L63] COND TRUE ix >= 0x50800000 VAL [aT_atan={6442450948:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L64] COND TRUE ((ix) > 0x7f800000L) [L65] RET return x + x; VAL [aT_atan={6442450948:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L138] EXPR atan_float(x) VAL [aT_atan={6442450948:0}, atan_float(x)=6442450951, atanhi_atan={6442450955:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=6442450947] [L138] float res = atan_float(x); [L141] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [aT_atan={6442450948:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=6442450951, res == -0.0f && __signbit_float(res) == 1=0, x=6442450947] [L141] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L142] __VERIFIER_error() VAL [aT_atan={6442450948:0}, atanhi_atan={6442450955:0}, atanlo_atan={6442450946:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=6442450951, x=6442450947] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 54 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 65 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=54occurred 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, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 05:14:05,657 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:14:05,658 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:14:05,666 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:14:05,666 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:14:05,667 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:14:05,667 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:14:05,668 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:14:05,669 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:14:05,670 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:14:05,671 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:14:05,671 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:14:05,671 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:14:05,672 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:14:05,673 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:14:05,674 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:14:05,674 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:14:05,675 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:14:05,677 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:14:05,678 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:14:05,678 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:14:05,679 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:14:05,681 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:14:05,681 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:14:05,681 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:14:05,682 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:14:05,683 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:14:05,683 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:14:05,684 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:14:05,684 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:14:05,685 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:14:05,685 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:14:05,685 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:14:05,685 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:14:05,686 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:14:05,686 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:14:05,687 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fe2f17a7-cc58-4d88-9607-f805f0db3971/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 05:14:05,697 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:14:05,697 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:14:05,697 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:14:05,698 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 05:14:05,698 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 05:14:05,698 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 05:14:05,698 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 05:14:05,698 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 05:14:05,699 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:14:05,699 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:14:05,699 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:14:05,699 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:14:05,699 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:14:05,699 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:14:05,700 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:14:05,700 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 05:14:05,700 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 05:14:05,700 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:14:05,700 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:14:05,700 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:14:05,700 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:14:05,700 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 05:14:05,701 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:14:05,701 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 05:14:05,701 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 05:14:05,701 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:14:05,701 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:14:05,701 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:14:05,701 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 05:14:05,702 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:14:05,702 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 05:14:05,702 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 05:14:05,702 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_fe2f17a7-cc58-4d88-9607-f805f0db3971/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 -> fd8280e6c85ab06c5ea4e924d9eaa3661cb56ac8 [2018-11-10 05:14:05,730 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:14:05,738 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:14:05,740 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:14:05,741 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:14:05,741 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:14:05,741 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fe2f17a7-cc58-4d88-9607-f805f0db3971/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c [2018-11-10 05:14:05,777 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fe2f17a7-cc58-4d88-9607-f805f0db3971/bin-2019/utaipan/data/929a14058/f6388dc3969f41e69fcd4a5d981424ba/FLAG3a2a3d7c4 [2018-11-10 05:14:06,171 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:14:06,172 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fe2f17a7-cc58-4d88-9607-f805f0db3971/sv-benchmarks/c/float-newlib/float_req_bl_0620b_true-unreach-call.c [2018-11-10 05:14:06,176 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fe2f17a7-cc58-4d88-9607-f805f0db3971/bin-2019/utaipan/data/929a14058/f6388dc3969f41e69fcd4a5d981424ba/FLAG3a2a3d7c4 [2018-11-10 05:14:06,185 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fe2f17a7-cc58-4d88-9607-f805f0db3971/bin-2019/utaipan/data/929a14058/f6388dc3969f41e69fcd4a5d981424ba [2018-11-10 05:14:06,187 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:14:06,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:14:06,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:14:06,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:14:06,192 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:14:06,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:14:06" (1/1) ... [2018-11-10 05:14:06,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69eb368e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:06, skipping insertion in model container [2018-11-10 05:14:06,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:14:06" (1/1) ... [2018-11-10 05:14:06,199 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:14:06,215 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:14:06,350 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:14:06,358 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:14:06,396 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:14:06,417 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:14:06,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:06 WrapperNode [2018-11-10 05:14:06,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:14:06,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:14:06,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:14:06,419 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:14:06,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:06" (1/1) ... [2018-11-10 05:14:06,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:06" (1/1) ... [2018-11-10 05:14:06,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:14:06,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:14:06,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:14:06,465 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:14:06,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:06" (1/1) ... [2018-11-10 05:14:06,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:06" (1/1) ... [2018-11-10 05:14:06,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:06" (1/1) ... [2018-11-10 05:14:06,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:06" (1/1) ... [2018-11-10 05:14:06,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:06" (1/1) ... [2018-11-10 05:14:06,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:06" (1/1) ... [2018-11-10 05:14:06,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:06" (1/1) ... [2018-11-10 05:14:06,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:14:06,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:14:06,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:14:06,565 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:14:06,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fe2f17a7-cc58-4d88-9607-f805f0db3971/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 [2018-11-10 05:14:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 05:14:06,616 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 05:14:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 05:14:06,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 05:14:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-10 05:14:06,617 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-10 05:14:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:14:06,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:14:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2018-11-10 05:14:06,617 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2018-11-10 05:14:06,618 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-10 05:14:06,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-10 05:14:07,687 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:14:07,730 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:14:13,314 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:14:13,332 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:14:13,339 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:14:13,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:14:13 BoogieIcfgContainer [2018-11-10 05:14:13,340 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:14:13,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 05:14:13,340 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 05:14:13,344 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 05:14:13,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:14:06" (1/3) ... [2018-11-10 05:14:13,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f36c17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:14:13, skipping insertion in model container [2018-11-10 05:14:13,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:14:06" (2/3) ... [2018-11-10 05:14:13,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f36c17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:14:13, skipping insertion in model container [2018-11-10 05:14:13,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:14:13" (3/3) ... [2018-11-10 05:14:13,348 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0620b_true-unreach-call.c [2018-11-10 05:14:13,357 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 05:14:13,363 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 05:14:13,377 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 05:14:13,398 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 05:14:13,399 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 05:14:13,399 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 05:14:13,399 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 05:14:13,399 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 05:14:13,400 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 05:14:13,400 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 05:14:13,400 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 05:14:13,400 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 05:14:13,411 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2018-11-10 05:14:13,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 05:14:13,415 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:14:13,415 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:14:13,417 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 05:14:13,420 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:14:13,420 INFO L82 PathProgramCache]: Analyzing trace with hash -1496292074, now seen corresponding path program 1 times [2018-11-10 05:14:13,423 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 05:14:13,424 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fe2f17a7-cc58-4d88-9607-f805f0db3971/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 [2018-11-10 05:14:13,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:14:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:14:13,566 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:14:13,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:14:13,578 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 05:14:13,588 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:14:13,589 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 05:14:13,591 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 05:14:13,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 05:14:13,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 05:14:13,600 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 2 states. [2018-11-10 05:14:13,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:14:13,617 INFO L93 Difference]: Finished difference Result 100 states and 142 transitions. [2018-11-10 05:14:13,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 05:14:13,618 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-11-10 05:14:13,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:14:13,624 INFO L225 Difference]: With dead ends: 100 [2018-11-10 05:14:13,624 INFO L226 Difference]: Without dead ends: 50 [2018-11-10 05:14:13,627 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 05:14:13,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-11-10 05:14:13,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-11-10 05:14:13,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-11-10 05:14:13,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 61 transitions. [2018-11-10 05:14:13,653 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 61 transitions. Word has length 18 [2018-11-10 05:14:13,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:14:13,654 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 61 transitions. [2018-11-10 05:14:13,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 05:14:13,654 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2018-11-10 05:14:13,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 05:14:13,655 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:14:13,655 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:14:13,656 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 05:14:13,656 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:14:13,656 INFO L82 PathProgramCache]: Analyzing trace with hash -1778836789, now seen corresponding path program 1 times [2018-11-10 05:14:13,656 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 05:14:13,657 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fe2f17a7-cc58-4d88-9607-f805f0db3971/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 [2018-11-10 05:14:13,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:14:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:14:13,785 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:14:13,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:14:13,889 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 05:14:13,899 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:14:13,899 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 05:14:13,900 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 05:14:13,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 05:14:13,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 05:14:13,901 INFO L87 Difference]: Start difference. First operand 50 states and 61 transitions. Second operand 7 states. [2018-11-10 05:14:23,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:14:23,654 INFO L93 Difference]: Finished difference Result 68 states and 79 transitions. [2018-11-10 05:14:23,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 05:14:23,691 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-11-10 05:14:23,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:14:23,692 INFO L225 Difference]: With dead ends: 68 [2018-11-10 05:14:23,693 INFO L226 Difference]: Without dead ends: 51 [2018-11-10 05:14:23,693 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-10 05:14:23,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-11-10 05:14:23,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 48. [2018-11-10 05:14:23,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-10 05:14:23,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 56 transitions. [2018-11-10 05:14:23,699 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 56 transitions. Word has length 19 [2018-11-10 05:14:23,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:14:23,699 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 56 transitions. [2018-11-10 05:14:23,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 05:14:23,699 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2018-11-10 05:14:23,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 05:14:23,700 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:14:23,700 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:14:23,700 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 05:14:23,700 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:14:23,701 INFO L82 PathProgramCache]: Analyzing trace with hash -1029457714, now seen corresponding path program 1 times [2018-11-10 05:14:23,701 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 05:14:23,701 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fe2f17a7-cc58-4d88-9607-f805f0db3971/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 [2018-11-10 05:14:23,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:14:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:14:23,834 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:14:23,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:14:23,884 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 05:14:23,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:14:23,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 05:14:23,894 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 05:14:23,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 05:14:23,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 05:14:23,895 INFO L87 Difference]: Start difference. First operand 48 states and 56 transitions. Second operand 7 states. [2018-11-10 05:14:34,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:14:34,222 INFO L93 Difference]: Finished difference Result 56 states and 64 transitions. [2018-11-10 05:14:34,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 05:14:34,223 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-11-10 05:14:34,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:14:34,224 INFO L225 Difference]: With dead ends: 56 [2018-11-10 05:14:34,224 INFO L226 Difference]: Without dead ends: 53 [2018-11-10 05:14:34,224 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-11-10 05:14:34,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-11-10 05:14:34,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 52. [2018-11-10 05:14:34,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-11-10 05:14:34,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 60 transitions. [2018-11-10 05:14:34,230 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 60 transitions. Word has length 21 [2018-11-10 05:14:34,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:14:34,230 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 60 transitions. [2018-11-10 05:14:34,230 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 05:14:34,231 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2018-11-10 05:14:34,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 05:14:34,231 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:14:34,231 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:14:34,232 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 05:14:34,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:14:34,232 INFO L82 PathProgramCache]: Analyzing trace with hash -1601239440, now seen corresponding path program 1 times [2018-11-10 05:14:34,232 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 05:14:34,232 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fe2f17a7-cc58-4d88-9607-f805f0db3971/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 [2018-11-10 05:14:34,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:14:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:14:35,221 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:14:35,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:14:35,288 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 05:14:35,309 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:14:35,309 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 05:14:35,309 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 05:14:35,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 05:14:35,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 05:14:35,309 INFO L87 Difference]: Start difference. First operand 52 states and 60 transitions. Second operand 7 states. [2018-11-10 05:14:45,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:14:45,880 INFO L93 Difference]: Finished difference Result 73 states and 83 transitions. [2018-11-10 05:14:45,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 05:14:45,918 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 23 [2018-11-10 05:14:45,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:14:45,919 INFO L225 Difference]: With dead ends: 73 [2018-11-10 05:14:45,919 INFO L226 Difference]: Without dead ends: 39 [2018-11-10 05:14:45,919 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-10 05:14:45,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-11-10 05:14:45,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-11-10 05:14:45,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-11-10 05:14:45,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2018-11-10 05:14:45,923 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 23 [2018-11-10 05:14:45,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:14:45,923 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2018-11-10 05:14:45,923 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 05:14:45,923 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2018-11-10 05:14:45,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 05:14:45,924 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:14:45,924 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:14:45,924 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 05:14:45,924 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:14:45,924 INFO L82 PathProgramCache]: Analyzing trace with hash 835656139, now seen corresponding path program 1 times [2018-11-10 05:14:45,925 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 05:14:45,925 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fe2f17a7-cc58-4d88-9607-f805f0db3971/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-10 05:14:45,928 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:14:46,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:14:46,934 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:14:47,648 WARN L179 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-10 05:14:47,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:14:47,653 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 05:14:47,671 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:14:47,671 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 05:14:47,671 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 05:14:47,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 05:14:47,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-10 05:14:47,671 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. Second operand 6 states. [2018-11-10 05:14:51,055 WARN L179 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-10 05:14:57,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:14:57,042 INFO L93 Difference]: Finished difference Result 50 states and 52 transitions. [2018-11-10 05:14:57,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 05:14:57,046 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-11-10 05:14:57,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:14:57,046 INFO L225 Difference]: With dead ends: 50 [2018-11-10 05:14:57,046 INFO L226 Difference]: Without dead ends: 30 [2018-11-10 05:14:57,047 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-10 05:14:57,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-11-10 05:14:57,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-11-10 05:14:57,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-11-10 05:14:57,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 29 transitions. [2018-11-10 05:14:57,050 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 29 transitions. Word has length 24 [2018-11-10 05:14:57,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:14:57,050 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 29 transitions. [2018-11-10 05:14:57,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 05:14:57,050 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 29 transitions. [2018-11-10 05:14:57,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 05:14:57,051 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:14:57,051 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:14:57,051 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 05:14:57,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:14:57,051 INFO L82 PathProgramCache]: Analyzing trace with hash 420815084, now seen corresponding path program 1 times [2018-11-10 05:14:57,052 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 05:14:57,052 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fe2f17a7-cc58-4d88-9607-f805f0db3971/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-11-10 05:14:57,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:14:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:14:57,190 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:14:57,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:14:57,350 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 05:14:57,363 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:14:57,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-11-10 05:14:57,364 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-10 05:14:57,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-10 05:14:57,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-11-10 05:14:57,364 INFO L87 Difference]: Start difference. First operand 30 states and 29 transitions. Second operand 12 states. [2018-11-10 05:14:57,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:14:57,879 INFO L93 Difference]: Finished difference Result 30 states and 29 transitions. [2018-11-10 05:14:57,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 05:14:57,880 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 29 [2018-11-10 05:14:57,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:14:57,880 INFO L225 Difference]: With dead ends: 30 [2018-11-10 05:14:57,880 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 05:14:57,881 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2018-11-10 05:14:57,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 05:14:57,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 05:14:57,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 05:14:57,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 05:14:57,882 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2018-11-10 05:14:57,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:14:57,882 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 05:14:57,882 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-10 05:14:57,882 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 05:14:57,882 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 05:14:57,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 05:14:58,126 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 05:14:58,126 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 05:14:58,127 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 05:14:58,127 INFO L425 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 14 27) no Hoare annotation was computed. [2018-11-10 05:14:58,127 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 25) no Hoare annotation was computed. [2018-11-10 05:14:58,127 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 14 27) no Hoare annotation was computed. [2018-11-10 05:14:58,127 INFO L425 ceAbstractionStarter]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2018-11-10 05:14:58,127 INFO L425 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 14 27) no Hoare annotation was computed. [2018-11-10 05:14:58,127 INFO L428 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 14 27) the Hoare annotation is: true [2018-11-10 05:14:58,127 INFO L425 ceAbstractionStarter]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2018-11-10 05:14:58,127 INFO L428 ceAbstractionStarter]: At program point L16-3(lines 16 20) the Hoare annotation is: true [2018-11-10 05:14:58,127 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 05:14:58,127 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~one_atan~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0))) (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)) ~huge_atan~0)) [2018-11-10 05:14:58,127 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 05:14:58,127 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 05:14:58,127 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 129 147) the Hoare annotation is: true [2018-11-10 05:14:58,128 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 129 147) no Hoare annotation was computed. [2018-11-10 05:14:58,128 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 142) no Hoare annotation was computed. [2018-11-10 05:14:58,128 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-10 05:14:58,128 INFO L425 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2018-11-10 05:14:58,128 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 129 147) no Hoare annotation was computed. [2018-11-10 05:14:58,128 INFO L421 ceAbstractionStarter]: At program point L141-1(line 141) the Hoare annotation is: (or (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and |main_#t~short29| (= main_~res~0 .cse0) (= main_~x~0 .cse0))) (not (= ~one_atan~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)))) (not (= ~huge_atan~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0))))) [2018-11-10 05:14:58,128 INFO L425 ceAbstractionStarter]: For program point L141-2(line 141) no Hoare annotation was computed. [2018-11-10 05:14:58,128 INFO L421 ceAbstractionStarter]: At program point L138(line 138) the Hoare annotation is: (or (not (= ~one_atan~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)))) (= main_~x~0 (fp.neg (_ +zero 8 24))) (not (= ~huge_atan~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0))))) [2018-11-10 05:14:58,128 INFO L425 ceAbstractionStarter]: For program point L138-1(line 138) no Hoare annotation was computed. [2018-11-10 05:14:58,128 INFO L425 ceAbstractionStarter]: For program point L141-4(lines 141 144) no Hoare annotation was computed. [2018-11-10 05:14:58,128 INFO L425 ceAbstractionStarter]: For program point L64(lines 64 65) no Hoare annotation was computed. [2018-11-10 05:14:58,128 INFO L428 ceAbstractionStarter]: At program point atan_floatENTRY(lines 53 115) the Hoare annotation is: true [2018-11-10 05:14:58,128 INFO L425 ceAbstractionStarter]: For program point atan_floatFINAL(lines 53 115) no Hoare annotation was computed. [2018-11-10 05:14:58,129 INFO L425 ceAbstractionStarter]: For program point L73(lines 73 74) no Hoare annotation was computed. [2018-11-10 05:14:58,129 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2018-11-10 05:14:58,129 INFO L421 ceAbstractionStarter]: At program point L57-3(lines 57 61) the Hoare annotation is: (or (= |atan_float_#in~x| atan_float_~x) (not (= ~one_atan~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)))) (not (= ~huge_atan~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0))))) [2018-11-10 05:14:58,129 INFO L425 ceAbstractionStarter]: For program point L57-4(lines 57 61) no Hoare annotation was computed. [2018-11-10 05:14:58,129 INFO L421 ceAbstractionStarter]: At program point L78(line 78) the Hoare annotation is: (or (and (exists ((atan_float_~hx~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) atan_float_~hx~0) ((_ extract 30 23) atan_float_~hx~0) ((_ extract 22 0) atan_float_~hx~0)) |atan_float_#in~x|) (= (bvand atan_float_~hx~0 (_ bv2147483647 32)) atan_float_~ix~1))) (= (fp ((_ extract 31 31) atan_float_~hx~0) ((_ extract 30 23) atan_float_~hx~0) ((_ extract 22 0) atan_float_~hx~0)) |atan_float_#in~x|) (exists ((atan_float_~hx~0 (_ BitVec 32))) (and (not (bvslt (bvand atan_float_~hx~0 (_ bv2147483647 32)) (_ bv822083584 32))) (= (fp ((_ extract 31 31) atan_float_~hx~0) ((_ extract 30 23) atan_float_~hx~0) ((_ extract 22 0) atan_float_~hx~0)) |atan_float_#in~x|))) (= |atan_float_#in~x| atan_float_~x)) (not (= ~one_atan~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)))) (not (= ~huge_atan~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0))))) [2018-11-10 05:14:58,129 INFO L425 ceAbstractionStarter]: For program point L78-1(line 78) no Hoare annotation was computed. [2018-11-10 05:14:58,129 INFO L425 ceAbstractionStarter]: For program point L66(lines 66 69) no Hoare annotation was computed. [2018-11-10 05:14:58,129 INFO L425 ceAbstractionStarter]: For program point L79(lines 79 95) no Hoare annotation was computed. [2018-11-10 05:14:58,129 INFO L425 ceAbstractionStarter]: For program point L71(lines 71 96) no Hoare annotation was computed. [2018-11-10 05:14:58,129 INFO L425 ceAbstractionStarter]: For program point atan_floatEXIT(lines 53 115) no Hoare annotation was computed. [2018-11-10 05:14:58,129 INFO L425 ceAbstractionStarter]: For program point L63(lines 63 70) no Hoare annotation was computed. [2018-11-10 05:14:58,129 INFO L425 ceAbstractionStarter]: For program point L88(lines 88 94) no Hoare annotation was computed. [2018-11-10 05:14:58,129 INFO L425 ceAbstractionStarter]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2018-11-10 05:14:58,130 INFO L425 ceAbstractionStarter]: For program point L113(line 113) no Hoare annotation was computed. [2018-11-10 05:14:58,130 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 86) no Hoare annotation was computed. [2018-11-10 05:14:58,130 INFO L425 ceAbstractionStarter]: For program point L113-2(line 113) no Hoare annotation was computed. [2018-11-10 05:14:58,130 INFO L425 ceAbstractionStarter]: For program point L109(lines 109 114) no Hoare annotation was computed. [2018-11-10 05:14:58,130 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 75) no Hoare annotation was computed. [2018-11-10 05:14:58,130 INFO L425 ceAbstractionStarter]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2018-11-10 05:14:58,130 INFO L425 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 117 127) no Hoare annotation was computed. [2018-11-10 05:14:58,130 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2018-11-10 05:14:58,130 INFO L421 ceAbstractionStarter]: At program point L120-3(lines 120 124) the Hoare annotation is: (or (= |__signbit_float_#in~x| __signbit_float_~x) (not (= ~one_atan~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)))) (not (= ~huge_atan~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0))))) [2018-11-10 05:14:58,130 INFO L425 ceAbstractionStarter]: For program point L120-4(lines 120 124) no Hoare annotation was computed. [2018-11-10 05:14:58,130 INFO L428 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 117 127) the Hoare annotation is: true [2018-11-10 05:14:58,130 INFO L425 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 117 127) no Hoare annotation was computed. [2018-11-10 05:14:58,135 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:14:58,135 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:14:58,136 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:14:58,136 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:14:58,138 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:14:58,138 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:14:58,138 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:14:58,138 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:14:58,139 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:14:58,139 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:14:58,140 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:14:58,140 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:14:58,140 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:14:58,141 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:14:58,141 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:14:58,141 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:14:58,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 05:14:58 BoogieIcfgContainer [2018-11-10 05:14:58,143 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 05:14:58,143 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:14:58,143 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:14:58,143 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:14:58,144 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:14:13" (3/4) ... [2018-11-10 05:14:58,146 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 05:14:58,150 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 05:14:58,150 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-11-10 05:14:58,151 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 05:14:58,151 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2018-11-10 05:14:58,151 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-11-10 05:14:58,166 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 138 nodes and edges [2018-11-10 05:14:58,167 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 77 nodes and edges [2018-11-10 05:14:58,167 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2018-11-10 05:14:58,168 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 05:14:58,193 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(x) == x || !(one_atan == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0)))) || !(huge_atan == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) [2018-11-10 05:14:58,193 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(x) == x || !(one_atan == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0)))) || !(huge_atan == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) [2018-11-10 05:14:58,232 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fe2f17a7-cc58-4d88-9607-f805f0db3971/bin-2019/utaipan/witness.graphml [2018-11-10 05:14:58,232 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:14:58,233 INFO L168 Benchmark]: Toolchain (without parser) took 52045.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 209.2 MB). Free memory was 949.8 MB in the beginning and 1.2 GB in the end (delta: -237.1 MB). Peak memory consumption was 294.9 MB. Max. memory is 11.5 GB. [2018-11-10 05:14:58,233 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:14:58,234 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.85 ms. Allocated memory is still 1.0 GB. Free memory was 949.8 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 05:14:58,234 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.45 ms. Allocated memory is still 1.0 GB. Free memory was 933.6 MB in the beginning and 928.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:14:58,234 INFO L168 Benchmark]: Boogie Preprocessor took 99.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 928.3 MB in the beginning and 1.1 GB in the end (delta: -212.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2018-11-10 05:14:58,234 INFO L168 Benchmark]: RCFGBuilder took 6774.88 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: 60.6 MB). Peak memory consumption was 60.6 MB. Max. memory is 11.5 GB. [2018-11-10 05:14:58,234 INFO L168 Benchmark]: TraceAbstraction took 44802.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 812.1 MB in the end (delta: 267.5 MB). Peak memory consumption was 267.5 MB. Max. memory is 11.5 GB. [2018-11-10 05:14:58,235 INFO L168 Benchmark]: Witness Printer took 89.28 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.3 MB). Free memory was 812.1 MB in the beginning and 1.2 GB in the end (delta: -374.7 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:14:58,236 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 228.85 ms. Allocated memory is still 1.0 GB. Free memory was 949.8 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.45 ms. Allocated memory is still 1.0 GB. Free memory was 933.6 MB in the beginning and 928.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 99.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 928.3 MB in the beginning and 1.1 GB in the end (delta: -212.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 6774.88 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: 60.6 MB). Peak memory consumption was 60.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 44802.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 812.1 MB in the end (delta: 267.5 MB). Peak memory consumption was 267.5 MB. Max. memory is 11.5 GB. * Witness Printer took 89.28 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.3 MB). Free memory was 812.1 MB in the beginning and 1.2 GB in the end (delta: -374.7 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 142]: 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: 57]: Loop Invariant [2018-11-10 05:14:58,240 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:14:58,241 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:14:58,241 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:14:58,241 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:14:58,241 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:14:58,241 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:14:58,242 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:14:58,242 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: (\old(x) == x || !(one_atan == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0)))) || !(huge_atan == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 120]: Loop Invariant [2018-11-10 05:14:58,242 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:14:58,242 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:14:58,242 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:14:58,242 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:14:58,243 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:14:58,243 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:14:58,243 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 05:14:58,243 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: (\old(x) == x || !(one_atan == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0)))) || !(huge_atan == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 54 locations, 1 error locations. SAFE Result, 44.7s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 40.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 243 SDtfs, 187 SDslu, 754 SDs, 0 SdLazy, 295 SolverSat, 21 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 37.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 146 GetRequests, 98 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred 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, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 23 PreInvPairs, 28 NumberOfFragments, 173 HoareAnnotationTreeSize, 23 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 152 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 128 ConstructedInterpolants, 14 QuantifiedInterpolants, 18944 SizeOfPredicates, 41 NumberOfNonLiveVariables, 880 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...