./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0550a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a4570041-335c-405c-ac02-ae512ec8624b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a4570041-335c-405c-ac02-ae512ec8624b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a4570041-335c-405c-ac02-ae512ec8624b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a4570041-335c-405c-ac02-ae512ec8624b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0550a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a4570041-335c-405c-ac02-ae512ec8624b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a4570041-335c-405c-ac02-ae512ec8624b/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 befe3bf8258f9897bcbd7447b969f0024737d43c .................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_a4570041-335c-405c-ac02-ae512ec8624b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a4570041-335c-405c-ac02-ae512ec8624b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a4570041-335c-405c-ac02-ae512ec8624b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a4570041-335c-405c-ac02-ae512ec8624b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0550a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a4570041-335c-405c-ac02-ae512ec8624b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a4570041-335c-405c-ac02-ae512ec8624b/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 befe3bf8258f9897bcbd7447b969f0024737d43c ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:44:48,452 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:44:48,453 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:44:48,462 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:44:48,462 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:44:48,463 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:44:48,464 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:44:48,466 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:44:48,467 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:44:48,467 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:44:48,468 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:44:48,468 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:44:48,469 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:44:48,470 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:44:48,471 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:44:48,472 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:44:48,472 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:44:48,474 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:44:48,475 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:44:48,477 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:44:48,477 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:44:48,479 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:44:48,481 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:44:48,481 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:44:48,481 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:44:48,482 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:44:48,483 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:44:48,484 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:44:48,484 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:44:48,485 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:44:48,485 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:44:48,486 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:44:48,486 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:44:48,487 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:44:48,487 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:44:48,488 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:44:48,488 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a4570041-335c-405c-ac02-ae512ec8624b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 12:44:48,503 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:44:48,503 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:44:48,504 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:44:48,504 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:44:48,504 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:44:48,504 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:44:48,504 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:44:48,504 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 12:44:48,505 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:44:48,505 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:44:48,505 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 12:44:48,505 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 12:44:48,505 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:44:48,506 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:44:48,506 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:44:48,506 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:44:48,506 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:44:48,507 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:44:48,507 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:44:48,507 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:44:48,507 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:44:48,507 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:44:48,507 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:44:48,507 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:44:48,508 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:44:48,508 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:44:48,508 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:44:48,508 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:44:48,508 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:44:48,508 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:44:48,508 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:44:48,509 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:44:48,509 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:44:48,509 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 12:44:48,509 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:44:48,509 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:44:48,509 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 12:44:48,509 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_a4570041-335c-405c-ac02-ae512ec8624b/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 -> befe3bf8258f9897bcbd7447b969f0024737d43c [2018-11-18 12:44:48,549 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:44:48,564 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:44:48,568 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:44:48,570 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:44:48,570 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:44:48,571 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a4570041-335c-405c-ac02-ae512ec8624b/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0550a_true-unreach-call.c [2018-11-18 12:44:48,618 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a4570041-335c-405c-ac02-ae512ec8624b/bin-2019/utaipan/data/6e09af91e/aecdb93ffbac4c948f0a549150ce875d/FLAG0949582d6 [2018-11-18 12:44:49,065 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:44:49,066 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a4570041-335c-405c-ac02-ae512ec8624b/sv-benchmarks/c/float-newlib/float_req_bl_0550a_true-unreach-call.c [2018-11-18 12:44:49,075 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a4570041-335c-405c-ac02-ae512ec8624b/bin-2019/utaipan/data/6e09af91e/aecdb93ffbac4c948f0a549150ce875d/FLAG0949582d6 [2018-11-18 12:44:49,385 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a4570041-335c-405c-ac02-ae512ec8624b/bin-2019/utaipan/data/6e09af91e/aecdb93ffbac4c948f0a549150ce875d [2018-11-18 12:44:49,388 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:44:49,393 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:44:49,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:44:49,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:44:49,399 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:44:49,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:44:49" (1/1) ... [2018-11-18 12:44:49,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb68ea6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:49, skipping insertion in model container [2018-11-18 12:44:49,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:44:49" (1/1) ... [2018-11-18 12:44:49,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:44:49,470 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:44:49,796 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:44:49,831 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:44:49,966 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:44:49,997 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:44:49,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:49 WrapperNode [2018-11-18 12:44:49,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:44:49,998 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:44:49,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:44:49,999 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:44:50,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:49" (1/1) ... [2018-11-18 12:44:50,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:49" (1/1) ... [2018-11-18 12:44:50,041 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:44:50,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:44:50,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:44:50,041 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:44:50,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:49" (1/1) ... [2018-11-18 12:44:50,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:49" (1/1) ... [2018-11-18 12:44:50,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:49" (1/1) ... [2018-11-18 12:44:50,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:49" (1/1) ... [2018-11-18 12:44:50,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:49" (1/1) ... [2018-11-18 12:44:50,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:49" (1/1) ... [2018-11-18 12:44:50,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:49" (1/1) ... [2018-11-18 12:44:50,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:44:50,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:44:50,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:44:50,133 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:44:50,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4570041-335c-405c-ac02-ae512ec8624b/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 [2018-11-18 12:44:50,190 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2f [2018-11-18 12:44:50,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2f [2018-11-18 12:44:50,190 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2018-11-18 12:44:50,191 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2018-11-18 12:44:50,191 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:44:50,191 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:44:50,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-18 12:44:50,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 12:44:50,191 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2018-11-18 12:44:50,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2018-11-18 12:44:50,191 INFO L130 BoogieDeclarations]: Found specification of procedure tan_float [2018-11-18 12:44:50,192 INFO L138 BoogieDeclarations]: Found implementation of procedure tan_float [2018-11-18 12:44:50,192 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-18 12:44:50,192 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-18 12:44:50,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 12:44:50,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 12:44:50,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:44:50,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:44:50,192 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-18 12:44:50,192 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-18 12:44:50,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 12:44:50,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:44:50,193 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2018-11-18 12:44:50,193 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2018-11-18 12:44:50,193 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2f [2018-11-18 12:44:50,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2f [2018-11-18 12:44:50,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:44:50,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:44:50,193 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2018-11-18 12:44:50,193 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2018-11-18 12:44:50,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 12:44:50,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 12:44:53,917 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:44:53,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:44:53 BoogieIcfgContainer [2018-11-18 12:44:53,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:44:53,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:44:53,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:44:53,922 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:44:53,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:44:49" (1/3) ... [2018-11-18 12:44:53,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273ad6fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:44:53, skipping insertion in model container [2018-11-18 12:44:53,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:49" (2/3) ... [2018-11-18 12:44:53,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273ad6fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:44:53, skipping insertion in model container [2018-11-18 12:44:53,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:44:53" (3/3) ... [2018-11-18 12:44:53,926 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0550a_true-unreach-call.c [2018-11-18 12:44:53,934 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:44:53,939 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:44:53,950 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:44:53,977 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:44:53,977 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:44:53,977 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:44:53,977 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:44:53,978 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:44:53,978 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:44:53,979 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:44:53,979 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:44:54,000 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states. [2018-11-18 12:44:54,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:44:54,006 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:44:54,007 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] [2018-11-18 12:44:54,009 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:44:54,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:44:54,014 INFO L82 PathProgramCache]: Analyzing trace with hash 945094214, now seen corresponding path program 1 times [2018-11-18 12:44:54,016 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:44:54,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:44:54,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:44:54,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:44:54,058 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:44:54,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:44:54,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:44:54,292 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:44:54,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:44:54,293 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:44:54,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 12:44:54,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 12:44:54,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:44:54,311 INFO L87 Difference]: Start difference. First operand 287 states. Second operand 2 states. [2018-11-18 12:44:54,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:44:54,361 INFO L93 Difference]: Finished difference Result 566 states and 892 transitions. [2018-11-18 12:44:54,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 12:44:54,362 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-18 12:44:54,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:44:54,374 INFO L225 Difference]: With dead ends: 566 [2018-11-18 12:44:54,374 INFO L226 Difference]: Without dead ends: 283 [2018-11-18 12:44:54,379 INFO L604 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 [2018-11-18 12:44:54,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2018-11-18 12:44:54,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2018-11-18 12:44:54,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2018-11-18 12:44:54,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 375 transitions. [2018-11-18 12:44:54,432 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 375 transitions. Word has length 22 [2018-11-18 12:44:54,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:44:54,432 INFO L480 AbstractCegarLoop]: Abstraction has 283 states and 375 transitions. [2018-11-18 12:44:54,433 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 12:44:54,433 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 375 transitions. [2018-11-18 12:44:54,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 12:44:54,434 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:44:54,435 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] [2018-11-18 12:44:54,435 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:44:54,435 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:44:54,435 INFO L82 PathProgramCache]: Analyzing trace with hash 908841768, now seen corresponding path program 1 times [2018-11-18 12:44:54,435 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:44:54,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:44:54,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:44:54,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:44:54,437 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:44:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:44:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:44:54,696 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 12:44:54,759 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 1112084232 could not be translated for associated CType ARRAY#_198_~~__int32_t~0# [2018-11-18 12:44:54,760 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 1112084264 could not be translated for associated CType ARRAY#_32_~~__int32_t~0# [2018-11-18 12:44:54,761 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 1112084246 could not be translated for associated CType ARRAY#_198_~~__int32_t~0# [2018-11-18 12:44:54,761 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 1112084243 could not be translated for associated CType ARRAY#_32_~~__int32_t~0# [2018-11-18 12:44:54,761 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 1112084228 could not be translated for associated CType ARRAY#_3_~INT# [2018-11-18 12:44:54,761 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 1112084241 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-11-18 12:44:54,762 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 1112084231 could not be translated for associated CType ARRAY#_11_~FLOAT# [2018-11-18 12:44:54,762 WARN L1239 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 1112084259 could not be translated for associated CType ARRAY#_3_~INT# [2018-11-18 12:44:54,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:44:54 BoogieIcfgContainer [2018-11-18 12:44:54,788 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:44:54,789 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:44:54,789 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:44:54,789 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:44:54,790 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:44:53" (3/4) ... [2018-11-18 12:44:54,794 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 12:44:54,794 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:44:54,795 INFO L168 Benchmark]: Toolchain (without parser) took 5402.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 955.8 MB in the beginning and 868.0 MB in the end (delta: 87.8 MB). Peak memory consumption was 258.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:44:54,796 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:44:54,797 INFO L168 Benchmark]: CACSL2BoogieTranslator took 603.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 955.8 MB in the beginning and 1.2 GB in the end (delta: -197.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:44:54,798 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:44:54,798 INFO L168 Benchmark]: Boogie Preprocessor took 91.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:44:54,799 INFO L168 Benchmark]: RCFGBuilder took 3785.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 951.9 MB in the end (delta: 191.8 MB). Peak memory consumption was 191.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:44:54,799 INFO L168 Benchmark]: TraceAbstraction took 869.50 ms. Allocated memory is still 1.2 GB. Free memory was 951.9 MB in the beginning and 868.0 MB in the end (delta: 84.0 MB). Peak memory consumption was 84.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:44:54,800 INFO L168 Benchmark]: Witness Printer took 5.43 ms. Allocated memory is still 1.2 GB. Free memory is still 868.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:44:54,804 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 603.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 955.8 MB in the beginning and 1.2 GB in the end (delta: -197.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 91.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3785.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 951.9 MB in the end (delta: 191.8 MB). Peak memory consumption was 191.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 869.50 ms. Allocated memory is still 1.2 GB. Free memory was 951.9 MB in the beginning and 868.0 MB in the end (delta: 84.0 MB). Peak memory consumption was 84.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.43 ms. Allocated memory is still 1.2 GB. Free memory is still 868.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 1112084232 could not be translated for associated CType ARRAY#_198_~~__int32_t~0# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 1112084264 could not be translated for associated CType ARRAY#_32_~~__int32_t~0# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 1112084246 could not be translated for associated CType ARRAY#_198_~~__int32_t~0# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 1112084243 could not be translated for associated CType ARRAY#_32_~~__int32_t~0# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 1112084228 could not be translated for associated CType ARRAY#_3_~INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 1112084241 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 1112084231 could not be translated for associated CType ARRAY#_11_~FLOAT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 1112084259 could not be translated for associated CType ARRAY#_3_~INT# * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 629]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 70, overapproximation of someUnaryDOUBLEoperation at line 510, overapproximation of bitwiseAnd at line 604, overapproximation of someBinaryArithmeticFLOAToperation at line 609. Possible FailurePath: [L12] static const float huge_floor = 1.0e30; [L92-L94] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L162] FCALL static const int init_jk_krempio[] = {4, 7, 9}; [L164-L168] FCALL static const float PIo2_krempio[] = { 1.5703125000e+00, 4.5776367188e-04, 2.5987625122e-05, 7.5437128544e-08, 6.0026650317e-11, 7.3896444519e-13, 5.3845816694e-15, 5.6378512969e-18, 8.3009228831e-20, 3.2756352257e-22, 6.3331015649e-25, }; [L170-L172] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L375-L384] static const float zero_rempio = 0.0000000000e+00, half_rempio = 5.0000000000e-01, two8_rempio = 2.5600000000e+02, invpio2_rempio = 6.3661980629e-01, pio2_1_rempio = 1.5707855225e+00, pio2_1t_rempio = 1.0804334124e-05, pio2_2_rempio = 1.0804273188e-05, pio2_2t_rempio = 6.0770999344e-11, pio2_3_rempio = 6.0770943833e-11, pio2_3t_rempio = 6.1232342629e-17; [L504-L512] static const float one_ktan = 1.0000000000e+00, pio4_ktan = 7.8539812565e-01, pio4lo_ktan = 3.7748947079e-08, T_ktan[] = { 3.3333334327e-01, 1.3333334029e-01, 5.3968254477e-02, 2.1869488060e-02, 8.8632395491e-03, 3.5920790397e-03, 1.4562094584e-03, 5.8804126456e-04, 2.4646313977e-04, 7.8179444245e-05, 7.1407252108e-05, -1.8558637748e-05, 2.5907305826e-05, }; [L347-L365] FCALL static const __int32_t two_over_pi_rempio[] = { 0xA2, 0xF9, 0x83, 0x6E, 0x4E, 0x44, 0x15, 0x29, 0xFC, 0x27, 0x57, 0xD1, 0xF5, 0x34, 0xDD, 0xC0, 0xDB, 0x62, 0x95, 0x99, 0x3C, 0x43, 0x90, 0x41, 0xFE, 0x51, 0x63, 0xAB, 0xDE, 0xBB, 0xC5, 0x61, 0xB7, 0x24, 0x6E, 0x3A, 0x42, 0x4D, 0xD2, 0xE0, 0x06, 0x49, 0x2E, 0xEA, 0x09, 0xD1, 0x92, 0x1C, 0xFE, 0x1D, 0xEB, 0x1C, 0xB1, 0x29, 0xA7, 0x3E, 0xE8, 0x82, 0x35, 0xF5, 0x2E, 0xBB, 0x44, 0x84, 0xE9, 0x9C, 0x70, 0x26, 0xB4, 0x5F, 0x7E, 0x41, 0x39, 0x91, 0xD6, 0x39, 0x83, 0x53, 0x39, 0xF4, 0x9C, 0x84, 0x5F, 0x8B, 0xBD, 0xF9, 0x28, 0x3B, 0x1F, 0xF8, 0x97, 0xFF, 0xDE, 0x05, 0x98, 0x0F, 0xEF, 0x2F, 0x11, 0x8B, 0x5A, 0x0A, 0x6D, 0x1F, 0x6D, 0x36, 0x7E, 0xCF, 0x27, 0xCB, 0x09, 0xB7, 0x4F, 0x46, 0x3F, 0x66, 0x9E, 0x5F, 0xEA, 0x2D, 0x75, 0x27, 0xBA, 0xC7, 0xEB, 0xE5, 0xF1, 0x7B, 0x3D, 0x07, 0x39, 0xF7, 0x8A, 0x52, 0x92, 0xEA, 0x6B, 0xFB, 0x5F, 0xB1, 0x1F, 0x8D, 0x5D, 0x08, 0x56, 0x03, 0x30, 0x46, 0xFC, 0x7B, 0x6B, 0xAB, 0xF0, 0xCF, 0xBC, 0x20, 0x9A, 0xF4, 0x36, 0x1D, 0xA9, 0xE3, 0x91, 0x61, 0x5E, 0xE6, 0x1B, 0x08, 0x65, 0x99, 0x85, 0x5F, 0x14, 0xA0, 0x68, 0x40, 0x8D, 0xFF, 0xD8, 0x80, 0x4D, 0x73, 0x27, 0x31, 0x06, 0x06, 0x15, 0x56, 0xCA, 0x73, 0xA8, 0xC9, 0x60, 0xE2, 0x7B, 0xC0, 0x8C, 0x6B, }; [L367-L373] FCALL static const __int32_t npio2_hw_rempio[] = { 0x3fc90f00, 0x40490f00, 0x4096cb00, 0x40c90f00, 0x40fb5300, 0x4116cb00, 0x412fed00, 0x41490f00, 0x41623100, 0x417b5300, 0x418a3a00, 0x4196cb00, 0x41a35c00, 0x41afed00, 0x41bc7e00, 0x41c90f00, 0x41d5a000, 0x41e23100, 0x41eec200, 0x41fb5300, 0x4203f200, 0x420a3a00, 0x42108300, 0x4216cb00, 0x421d1400, 0x42235c00, 0x4229a500, 0x422fed00, 0x42363600, 0x423c7e00, 0x4242c700, 0x42490f00}; VAL [\old(half_rempio)=1112084239, \old(huge_floor)=1112084254, \old(huge_scalbn)=1112084248, \old(init_jk_krempio)=null, \old(init_jk_krempio)=null, \old(invpio2_rempio)=1112084242, \old(npio2_hw_rempio)=null, \old(npio2_hw_rempio)=null, \old(one_krempio)=1112084263, \old(one_ktan)=1112084237, \old(pio2_1_rempio)=1112084227, \old(pio2_1t_rempio)=1112084235, \old(pio2_2_rempio)=1112084267, \old(pio2_2t_rempio)=1112084245, \old(pio2_3_rempio)=1112084255, \old(pio2_3t_rempio)=1112084234, \old(PIo2_krempio)=null, \old(PIo2_krempio)=null, \old(pio4_ktan)=1112084257, \old(pio4lo_ktan)=1112084229, \old(T_ktan)=1112084253, \old(T_ktan)=1112084238, \old(tiny_scalbn)=1112084266, \old(two25_scalbn)=1112084244, \old(two8_krempio)=1112084260, \old(two8_rempio)=1112084269, \old(two_over_pi_rempio)=null, \old(two_over_pi_rempio)=null, \old(twom25_scalbn)=1112084256, \old(twon8_krempio)=1112084249, \old(zero_krempio)=1112084250, \old(zero_rempio)=1112084262, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={1112084226:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={1112084265:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={1112084240:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={1112084251:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={1112084233:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, zero_krempio=0, zero_rempio=0] [L624] float x = 1.0f / 0.0f; VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={1112084226:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={1112084265:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={1112084240:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={1112084251:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={1112084233:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, zero_krempio=0, zero_rempio=0] [L625] CALL, EXPR tan_float(x) VAL [\old(x)=1112084225, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={1112084226:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={1112084265:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={1112084240:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={1112084251:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={1112084233:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, zero_krempio=0, zero_rempio=0] [L595] FCALL float y[2], z = 0.0; [L596] __int32_t n, ix; VAL [\old(x)=1112084225, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={1112084226:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={1112084265:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={1112084240:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={1112084251:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={1112084233:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1112084225, y={1112084252:0}, z=0, zero_krempio=0, zero_rempio=0] [L599] FCALL ieee_float_shape_type gf_u; [L600] FCALL gf_u.value = (x) [L601] EXPR, FCALL gf_u.word [L601] (ix) = gf_u.word [L602] COND FALSE !(0) VAL [\old(x)=1112084225, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={1112084226:0}, invpio2_rempio=63661980629/100000000000, ix=11, npio2_hw_rempio={1112084265:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={1112084240:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={1112084251:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={1112084233:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1112084225, y={1112084252:0}, z=0, zero_krempio=0, zero_rempio=0] [L604] ix &= 0x7fffffff VAL [\old(x)=1112084225, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={1112084226:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={1112084265:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={1112084240:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={1112084251:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={1112084233:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1112084225, y={1112084252:0}, z=0, zero_krempio=0, zero_rempio=0] [L605] COND FALSE !(ix <= 0x3f490fda) VAL [\old(x)=1112084225, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={1112084226:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={1112084265:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={1112084240:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={1112084251:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={1112084233:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1112084225, y={1112084252:0}, z=0, zero_krempio=0, zero_rempio=0] [L608] COND TRUE !((ix) < 0x7f800000L) [L609] return x - x; [L609] RET return x - x; VAL [\old(x)=1112084225, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={1112084226:0}, invpio2_rempio=63661980629/100000000000, ix=2139095040, npio2_hw_rempio={1112084265:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={1112084240:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={1112084251:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={1112084233:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1112084225, z=0, zero_krempio=0, zero_rempio=0] [L625] EXPR tan_float(x) VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={1112084226:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={1112084265:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={1112084240:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={1112084251:0}, tan_float(x)=1112084261, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={1112084233:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1112084225, zero_krempio=0, zero_rempio=0] [L625] float res = tan_float(x); [L628] CALL, EXPR isnan_float(res) VAL [\old(x)=1112084261, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={1112084226:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={1112084265:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={1112084240:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={1112084251:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={1112084233:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, zero_krempio=0, zero_rempio=0] [L70] RET return x != x; VAL [\old(x)=1112084261, \result=0, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={1112084226:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={1112084265:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={1112084240:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, T_ktan={1112084251:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={1112084233:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1112084261, zero_krempio=0, zero_rempio=0] [L628] EXPR isnan_float(res) VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={1112084226:0}, invpio2_rempio=63661980629/100000000000, isnan_float(res)=0, npio2_hw_rempio={1112084265:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={1112084240:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res=1112084261, T_ktan={1112084251:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={1112084233:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1112084225, zero_krempio=0, zero_rempio=0] [L628] COND TRUE !isnan_float(res) [L629] __VERIFIER_error() VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={1112084226:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={1112084265:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, PIo2_krempio={1112084240:0}, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res=1112084261, T_ktan={1112084251:0}, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={1112084233:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=1112084225, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 287 locations, 1 error locations. UNSAFE Result, 0.8s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 379 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=287occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 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 0.1.23-5842f4b [2018-11-18 12:44:56,326 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:44:56,327 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:44:56,335 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:44:56,335 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:44:56,336 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:44:56,337 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:44:56,338 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:44:56,339 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:44:56,340 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:44:56,340 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:44:56,341 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:44:56,341 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:44:56,342 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:44:56,343 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:44:56,343 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:44:56,344 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:44:56,345 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:44:56,348 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:44:56,349 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:44:56,350 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:44:56,351 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:44:56,352 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:44:56,353 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:44:56,353 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:44:56,353 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:44:56,355 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:44:56,355 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:44:56,356 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:44:56,357 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:44:56,357 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:44:56,357 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:44:56,357 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:44:56,358 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:44:56,358 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:44:56,359 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:44:56,359 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a4570041-335c-405c-ac02-ae512ec8624b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 12:44:56,370 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:44:56,370 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:44:56,371 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:44:56,371 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:44:56,371 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:44:56,372 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:44:56,372 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:44:56,372 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:44:56,372 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:44:56,373 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:44:56,373 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:44:56,373 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:44:56,373 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:44:56,374 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:44:56,374 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:44:56,374 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:44:56,374 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:44:56,374 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 12:44:56,374 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 12:44:56,374 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:44:56,374 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:44:56,375 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:44:56,375 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:44:56,375 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:44:56,375 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:44:56,375 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:44:56,375 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:44:56,375 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:44:56,376 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:44:56,376 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:44:56,376 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:44:56,376 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 12:44:56,376 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:44:56,376 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 12:44:56,376 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 12:44:56,377 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_a4570041-335c-405c-ac02-ae512ec8624b/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 -> befe3bf8258f9897bcbd7447b969f0024737d43c [2018-11-18 12:44:56,404 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:44:56,412 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:44:56,414 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:44:56,415 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:44:56,415 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:44:56,416 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a4570041-335c-405c-ac02-ae512ec8624b/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0550a_true-unreach-call.c [2018-11-18 12:44:56,453 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a4570041-335c-405c-ac02-ae512ec8624b/bin-2019/utaipan/data/4d536d100/53d65803c2d743d18bc6782e7387e1b9/FLAGc216643ff [2018-11-18 12:44:56,814 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:44:56,814 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a4570041-335c-405c-ac02-ae512ec8624b/sv-benchmarks/c/float-newlib/float_req_bl_0550a_true-unreach-call.c [2018-11-18 12:44:56,820 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a4570041-335c-405c-ac02-ae512ec8624b/bin-2019/utaipan/data/4d536d100/53d65803c2d743d18bc6782e7387e1b9/FLAGc216643ff [2018-11-18 12:44:57,212 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a4570041-335c-405c-ac02-ae512ec8624b/bin-2019/utaipan/data/4d536d100/53d65803c2d743d18bc6782e7387e1b9 [2018-11-18 12:44:57,214 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:44:57,215 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:44:57,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:44:57,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:44:57,218 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:44:57,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:44:57" (1/1) ... [2018-11-18 12:44:57,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2de647a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:57, skipping insertion in model container [2018-11-18 12:44:57,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:44:57" (1/1) ... [2018-11-18 12:44:57,227 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:44:57,257 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:44:57,539 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:44:57,576 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:44:57,671 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:44:57,775 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:44:57,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:57 WrapperNode [2018-11-18 12:44:57,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:44:57,776 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:44:57,776 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:44:57,776 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:44:57,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:57" (1/1) ... [2018-11-18 12:44:57,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:57" (1/1) ... [2018-11-18 12:44:57,805 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:44:57,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:44:57,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:44:57,806 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:44:57,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:57" (1/1) ... [2018-11-18 12:44:57,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:57" (1/1) ... [2018-11-18 12:44:57,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:57" (1/1) ... [2018-11-18 12:44:57,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:57" (1/1) ... [2018-11-18 12:44:57,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:57" (1/1) ... [2018-11-18 12:44:57,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:57" (1/1) ... [2018-11-18 12:44:57,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:57" (1/1) ... [2018-11-18 12:44:57,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:44:57,891 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:44:57,891 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:44:57,891 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:44:57,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4570041-335c-405c-ac02-ae512ec8624b/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 [2018-11-18 12:44:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_rem_pio2f [2018-11-18 12:44:57,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_rem_pio2f [2018-11-18 12:44:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2018-11-18 12:44:57,936 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2018-11-18 12:44:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:44:57,936 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:44:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-18 12:44:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2018-11-18 12:44:57,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2018-11-18 12:44:57,936 INFO L130 BoogieDeclarations]: Found specification of procedure tan_float [2018-11-18 12:44:57,937 INFO L138 BoogieDeclarations]: Found implementation of procedure tan_float [2018-11-18 12:44:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-18 12:44:57,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-18 12:44:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:44:57,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:44:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-18 12:44:57,937 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-18 12:44:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:44:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 12:44:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2018-11-18 12:44:57,938 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2018-11-18 12:44:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-11-18 12:44:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-18 12:44:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_rem_pio2f [2018-11-18 12:44:57,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_rem_pio2f [2018-11-18 12:44:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:44:57,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:44:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2018-11-18 12:44:57,939 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2018-11-18 12:44:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-18 12:44:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 12:44:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 12:44:58,653 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:44:58,696 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:44:58,851 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:44:59,291 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:45:00,668 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:45:01,091 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:45:01,134 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:45:01,265 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:45:01,401 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:45:01,513 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:45:01,527 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:45:01,586 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:45:01,763 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:45:03,823 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:45:05,052 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:45:10,530 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:45:12,844 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:45:12,857 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:45:13,219 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:45:13,576 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:45:13,718 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:45:14,538 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:45:14,954 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:45:17,035 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:45:17,067 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:45:19,113 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:45:19,901 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:45:19,954 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:45:19,961 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:45:19,979 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:45:20,280 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:45:20,294 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:45:20,309 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:45:20,354 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:45:20,823 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:45:20,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:45:20 BoogieIcfgContainer [2018-11-18 12:45:20,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:45:20,824 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:45:20,824 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:45:20,826 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:45:20,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:44:57" (1/3) ... [2018-11-18 12:45:20,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65edb99c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:45:20, skipping insertion in model container [2018-11-18 12:45:20,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:57" (2/3) ... [2018-11-18 12:45:20,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65edb99c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:45:20, skipping insertion in model container [2018-11-18 12:45:20,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:45:20" (3/3) ... [2018-11-18 12:45:20,830 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0550a_true-unreach-call.c [2018-11-18 12:45:20,836 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:45:20,842 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:45:20,852 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:45:20,874 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:45:20,875 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:45:20,875 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:45:20,875 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:45:20,875 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:45:20,875 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:45:20,875 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:45:20,875 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:45:20,875 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:45:20,891 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states. [2018-11-18 12:45:20,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 12:45:20,895 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:45:20,896 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] [2018-11-18 12:45:20,897 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:45:20,900 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:45:20,901 INFO L82 PathProgramCache]: Analyzing trace with hash -1695183168, now seen corresponding path program 1 times [2018-11-18 12:45:20,904 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:45:20,905 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4570041-335c-405c-ac02-ae512ec8624b/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 [2018-11-18 12:45:20,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:45:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:21,263 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:45:21,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:21,275 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:45:21,286 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:45:21,286 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:45:21,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 12:45:21,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 12:45:21,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:45:21,298 INFO L87 Difference]: Start difference. First operand 286 states. Second operand 2 states. [2018-11-18 12:45:21,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:45:21,339 INFO L93 Difference]: Finished difference Result 564 states and 890 transitions. [2018-11-18 12:45:21,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 12:45:21,340 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-18 12:45:21,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:45:21,349 INFO L225 Difference]: With dead ends: 564 [2018-11-18 12:45:21,349 INFO L226 Difference]: Without dead ends: 282 [2018-11-18 12:45:21,353 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:45:21,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2018-11-18 12:45:21,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2018-11-18 12:45:21,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2018-11-18 12:45:21,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 374 transitions. [2018-11-18 12:45:21,392 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 374 transitions. Word has length 21 [2018-11-18 12:45:21,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:45:21,392 INFO L480 AbstractCegarLoop]: Abstraction has 282 states and 374 transitions. [2018-11-18 12:45:21,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 12:45:21,393 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 374 transitions. [2018-11-18 12:45:21,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:45:21,393 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:45:21,393 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] [2018-11-18 12:45:21,394 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:45:21,394 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:45:21,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1928452897, now seen corresponding path program 1 times [2018-11-18 12:45:21,395 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:45:21,395 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4570041-335c-405c-ac02-ae512ec8624b/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 [2018-11-18 12:45:21,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:45:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:21,705 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:45:22,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:22,054 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:45:22,066 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:45:22,066 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 12:45:22,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:45:22,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:45:22,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:45:22,068 INFO L87 Difference]: Start difference. First operand 282 states and 374 transitions. Second operand 9 states. [2018-11-18 12:45:22,462 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-18 12:45:22,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:45:22,915 INFO L93 Difference]: Finished difference Result 289 states and 381 transitions. [2018-11-18 12:45:22,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 12:45:22,919 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-11-18 12:45:22,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:45:22,921 INFO L225 Difference]: With dead ends: 289 [2018-11-18 12:45:22,921 INFO L226 Difference]: Without dead ends: 282 [2018-11-18 12:45:22,922 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-18 12:45:22,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2018-11-18 12:45:22,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2018-11-18 12:45:22,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2018-11-18 12:45:22,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 373 transitions. [2018-11-18 12:45:22,938 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 373 transitions. Word has length 22 [2018-11-18 12:45:22,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:45:22,939 INFO L480 AbstractCegarLoop]: Abstraction has 282 states and 373 transitions. [2018-11-18 12:45:22,939 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:45:22,939 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 373 transitions. [2018-11-18 12:45:22,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 12:45:22,940 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:45:22,940 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:45:22,941 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:45:22,941 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:45:22,941 INFO L82 PathProgramCache]: Analyzing trace with hash 938856739, now seen corresponding path program 1 times [2018-11-18 12:45:22,941 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:45:22,941 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4570041-335c-405c-ac02-ae512ec8624b/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 [2018-11-18 12:45:22,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:45:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:25,063 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:45:25,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:25,202 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:45:25,235 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:45:25,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 12:45:25,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:45:25,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:45:25,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:45:25,236 INFO L87 Difference]: Start difference. First operand 282 states and 373 transitions. Second operand 7 states. [2018-11-18 12:45:25,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:45:25,478 INFO L93 Difference]: Finished difference Result 292 states and 382 transitions. [2018-11-18 12:45:25,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:45:25,487 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2018-11-18 12:45:25,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:45:25,489 INFO L225 Difference]: With dead ends: 292 [2018-11-18 12:45:25,489 INFO L226 Difference]: Without dead ends: 280 [2018-11-18 12:45:25,489 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:45:25,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2018-11-18 12:45:25,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 280. [2018-11-18 12:45:25,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2018-11-18 12:45:25,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 369 transitions. [2018-11-18 12:45:25,502 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 369 transitions. Word has length 33 [2018-11-18 12:45:25,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:45:25,502 INFO L480 AbstractCegarLoop]: Abstraction has 280 states and 369 transitions. [2018-11-18 12:45:25,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:45:25,502 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 369 transitions. [2018-11-18 12:45:25,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 12:45:25,504 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:45:25,504 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:45:25,504 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:45:25,504 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:45:25,505 INFO L82 PathProgramCache]: Analyzing trace with hash -17801783, now seen corresponding path program 1 times [2018-11-18 12:45:25,505 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:45:25,506 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4570041-335c-405c-ac02-ae512ec8624b/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 [2018-11-18 12:45:25,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:45:27,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:45:27,864 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:45:27,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:45:27,965 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:45:27,997 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:45:27,997 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 12:45:27,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:45:27,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:45:27,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:45:27,998 INFO L87 Difference]: Start difference. First operand 280 states and 369 transitions. Second operand 7 states. [2018-11-18 12:45:28,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:45:28,234 INFO L93 Difference]: Finished difference Result 280 states and 369 transitions. [2018-11-18 12:45:28,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:45:28,235 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 43 [2018-11-18 12:45:28,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:45:28,236 INFO L225 Difference]: With dead ends: 280 [2018-11-18 12:45:28,236 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:45:28,237 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:45:28,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:45:28,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:45:28,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:45:28,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:45:28,237 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2018-11-18 12:45:28,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:45:28,237 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:45:28,238 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:45:28,238 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:45:28,238 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:45:28,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:45:28,492 INFO L425 ceAbstractionStarter]: For program point L605(lines 605 614) no Hoare annotation was computed. [2018-11-18 12:45:28,492 INFO L425 ceAbstractionStarter]: For program point tan_floatFINAL(lines 594 615) no Hoare annotation was computed. [2018-11-18 12:45:28,492 INFO L425 ceAbstractionStarter]: For program point tan_floatEXIT(lines 594 615) no Hoare annotation was computed. [2018-11-18 12:45:28,493 INFO L421 ceAbstractionStarter]: At program point L612(line 612) the Hoare annotation is: (and (exists ((v_tan_float_~ix~7_10 (_ BitVec 32))) (and (= |tan_float_#in~x| (fp ((_ extract 31 31) v_tan_float_~ix~7_10) ((_ extract 30 23) v_tan_float_~ix~7_10) ((_ extract 22 0) v_tan_float_~ix~7_10))) (bvslt (bvand (_ bv2147483647 32) v_tan_float_~ix~7_10) (_ bv2139095040 32)))) (= tan_float_~x |tan_float_#in~x|) (exists ((v_tan_float_~ix~7_9 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) v_tan_float_~ix~7_9) tan_float_~ix~7) (= |tan_float_#in~x| (fp ((_ extract 31 31) v_tan_float_~ix~7_9) ((_ extract 30 23) v_tan_float_~ix~7_9) ((_ extract 22 0) v_tan_float_~ix~7_9)))))) [2018-11-18 12:45:28,493 INFO L428 ceAbstractionStarter]: At program point tan_floatENTRY(lines 594 615) the Hoare annotation is: true [2018-11-18 12:45:28,493 INFO L425 ceAbstractionStarter]: For program point L612-1(line 612) no Hoare annotation was computed. [2018-11-18 12:45:28,493 INFO L425 ceAbstractionStarter]: For program point L608(lines 608 614) no Hoare annotation was computed. [2018-11-18 12:45:28,493 INFO L421 ceAbstractionStarter]: At program point L606(line 606) the Hoare annotation is: (and (exists ((v_tan_float_~ix~7_9 (_ BitVec 32))) (and (bvsle (bvand (_ bv2147483647 32) v_tan_float_~ix~7_9) (_ bv1061752794 32)) (= |tan_float_#in~x| (fp ((_ extract 31 31) v_tan_float_~ix~7_9) ((_ extract 30 23) v_tan_float_~ix~7_9) ((_ extract 22 0) v_tan_float_~ix~7_9))))) (= tan_float_~x |tan_float_#in~x|) (exists ((v_tan_float_~ix~7_9 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) v_tan_float_~ix~7_9) tan_float_~ix~7) (= |tan_float_#in~x| (fp ((_ extract 31 31) v_tan_float_~ix~7_9) ((_ extract 30 23) v_tan_float_~ix~7_9) ((_ extract 22 0) v_tan_float_~ix~7_9)))))) [2018-11-18 12:45:28,493 INFO L425 ceAbstractionStarter]: For program point L606-1(line 606) no Hoare annotation was computed. [2018-11-18 12:45:28,493 INFO L425 ceAbstractionStarter]: For program point L598-1(lines 598 602) no Hoare annotation was computed. [2018-11-18 12:45:28,493 INFO L421 ceAbstractionStarter]: At program point L598-3(lines 598 602) the Hoare annotation is: (= tan_float_~x |tan_float_#in~x|) [2018-11-18 12:45:28,493 INFO L425 ceAbstractionStarter]: For program point L598-4(lines 598 602) no Hoare annotation was computed. [2018-11-18 12:45:28,493 INFO L421 ceAbstractionStarter]: At program point L613(line 613) the Hoare annotation is: (and (exists ((v_tan_float_~ix~7_10 (_ BitVec 32))) (and (= |tan_float_#in~x| (fp ((_ extract 31 31) v_tan_float_~ix~7_10) ((_ extract 30 23) v_tan_float_~ix~7_10) ((_ extract 22 0) v_tan_float_~ix~7_10))) (bvslt (bvand (_ bv2147483647 32) v_tan_float_~ix~7_10) (_ bv2139095040 32)))) (= tan_float_~x |tan_float_#in~x|) (exists ((v_tan_float_~ix~7_9 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) v_tan_float_~ix~7_9) tan_float_~ix~7) (= |tan_float_#in~x| (fp ((_ extract 31 31) v_tan_float_~ix~7_9) ((_ extract 30 23) v_tan_float_~ix~7_9) ((_ extract 22 0) v_tan_float_~ix~7_9)))))) [2018-11-18 12:45:28,494 INFO L425 ceAbstractionStarter]: For program point L613-1(line 613) no Hoare annotation was computed. [2018-11-18 12:45:28,494 INFO L425 ceAbstractionStarter]: For program point isnan_floatFINAL(line 70) no Hoare annotation was computed. [2018-11-18 12:45:28,494 INFO L428 ceAbstractionStarter]: At program point isnan_floatENTRY(line 70) the Hoare annotation is: true [2018-11-18 12:45:28,494 INFO L425 ceAbstractionStarter]: For program point isnan_floatEXIT(line 70) no Hoare annotation was computed. [2018-11-18 12:45:28,494 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:45:28,494 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:45:28,494 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:45:28,494 INFO L425 ceAbstractionStarter]: For program point L184(lines 184 185) no Hoare annotation was computed. [2018-11-18 12:45:28,494 INFO L425 ceAbstractionStarter]: For program point L184-2(lines 184 185) no Hoare annotation was computed. [2018-11-18 12:45:28,494 INFO L428 ceAbstractionStarter]: At program point __kernel_rem_pio2fENTRY(lines 174 345) the Hoare annotation is: true [2018-11-18 12:45:28,494 INFO L425 ceAbstractionStarter]: For program point L317-1(lines 317 318) no Hoare annotation was computed. [2018-11-18 12:45:28,494 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 221) no Hoare annotation was computed. [2018-11-18 12:45:28,495 INFO L425 ceAbstractionStarter]: For program point L317-3(lines 317 318) no Hoare annotation was computed. [2018-11-18 12:45:28,495 INFO L428 ceAbstractionStarter]: At program point L317-4(lines 317 318) the Hoare annotation is: true [2018-11-18 12:45:28,495 INFO L425 ceAbstractionStarter]: For program point L317-5(lines 303 343) no Hoare annotation was computed. [2018-11-18 12:45:28,495 INFO L428 ceAbstractionStarter]: At program point L268(lines 175 345) the Hoare annotation is: true [2018-11-18 12:45:28,495 INFO L425 ceAbstractionStarter]: For program point L202-1(lines 202 206) no Hoare annotation was computed. [2018-11-18 12:45:28,495 INFO L425 ceAbstractionStarter]: For program point L202-3(lines 202 206) no Hoare annotation was computed. [2018-11-18 12:45:28,495 INFO L428 ceAbstractionStarter]: At program point L202-4(lines 202 206) the Hoare annotation is: true [2018-11-18 12:45:28,495 INFO L428 ceAbstractionStarter]: At program point L202-5(lines 202 206) the Hoare annotation is: true [2018-11-18 12:45:28,495 INFO L425 ceAbstractionStarter]: For program point L236-1(lines 223 251) no Hoare annotation was computed. [2018-11-18 12:45:28,495 INFO L425 ceAbstractionStarter]: For program point L319-1(line 319) no Hoare annotation was computed. [2018-11-18 12:45:28,495 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 221) no Hoare annotation was computed. [2018-11-18 12:45:28,495 INFO L425 ceAbstractionStarter]: For program point L253-1(lines 175 345) no Hoare annotation was computed. [2018-11-18 12:45:28,495 INFO L425 ceAbstractionStarter]: For program point L220-2(lines 175 345) no Hoare annotation was computed. [2018-11-18 12:45:28,495 INFO L428 ceAbstractionStarter]: At program point L303(lines 303 343) the Hoare annotation is: true [2018-11-18 12:45:28,496 INFO L428 ceAbstractionStarter]: At program point L237(lines 237 244) the Hoare annotation is: true [2018-11-18 12:45:28,496 INFO L425 ceAbstractionStarter]: For program point L304(line 304) no Hoare annotation was computed. [2018-11-18 12:45:28,496 INFO L425 ceAbstractionStarter]: For program point L238(line 238) no Hoare annotation was computed. [2018-11-18 12:45:28,496 INFO L425 ceAbstractionStarter]: For program point L321(line 321) no Hoare annotation was computed. [2018-11-18 12:45:28,496 INFO L425 ceAbstractionStarter]: For program point L255-1(lines 255 256) no Hoare annotation was computed. [2018-11-18 12:45:28,496 INFO L425 ceAbstractionStarter]: For program point L255-3(lines 255 256) no Hoare annotation was computed. [2018-11-18 12:45:28,496 INFO L428 ceAbstractionStarter]: At program point L255-4(lines 255 256) the Hoare annotation is: true [2018-11-18 12:45:28,496 INFO L425 ceAbstractionStarter]: For program point L255-5(lines 253 270) no Hoare annotation was computed. [2018-11-18 12:45:28,496 INFO L425 ceAbstractionStarter]: For program point L322-1(lines 322 326) no Hoare annotation was computed. [2018-11-18 12:45:28,496 INFO L425 ceAbstractionStarter]: For program point L223(lines 175 345) no Hoare annotation was computed. [2018-11-18 12:45:28,496 INFO L425 ceAbstractionStarter]: For program point L322-3(lines 322 326) no Hoare annotation was computed. [2018-11-18 12:45:28,496 INFO L428 ceAbstractionStarter]: At program point L322-4(lines 322 326) the Hoare annotation is: true [2018-11-18 12:45:28,496 INFO L425 ceAbstractionStarter]: For program point L190-1(lines 190 191) no Hoare annotation was computed. [2018-11-18 12:45:28,496 INFO L425 ceAbstractionStarter]: For program point L322-5(lines 322 326) no Hoare annotation was computed. [2018-11-18 12:45:28,497 INFO L425 ceAbstractionStarter]: For program point L190-3(lines 190 191) no Hoare annotation was computed. [2018-11-18 12:45:28,497 INFO L428 ceAbstractionStarter]: At program point L190-4(lines 190 191) the Hoare annotation is: true [2018-11-18 12:45:28,497 INFO L425 ceAbstractionStarter]: For program point L190-5(lines 190 191) no Hoare annotation was computed. [2018-11-18 12:45:28,497 INFO L425 ceAbstractionStarter]: For program point L306-1(lines 306 307) no Hoare annotation was computed. [2018-11-18 12:45:28,497 INFO L425 ceAbstractionStarter]: For program point L306-3(lines 306 307) no Hoare annotation was computed. [2018-11-18 12:45:28,497 INFO L428 ceAbstractionStarter]: At program point L306-4(lines 306 307) the Hoare annotation is: true [2018-11-18 12:45:28,497 INFO L425 ceAbstractionStarter]: For program point L306-5(lines 303 343) no Hoare annotation was computed. [2018-11-18 12:45:28,497 INFO L425 ceAbstractionStarter]: For program point L191(line 191) no Hoare annotation was computed. [2018-11-18 12:45:28,497 INFO L425 ceAbstractionStarter]: For program point L191-2(line 191) no Hoare annotation was computed. [2018-11-18 12:45:28,497 INFO L425 ceAbstractionStarter]: For program point L241(line 241) no Hoare annotation was computed. [2018-11-18 12:45:28,497 INFO L425 ceAbstractionStarter]: For program point L208(line 208) no Hoare annotation was computed. [2018-11-18 12:45:28,497 INFO L425 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2018-11-18 12:45:28,497 INFO L425 ceAbstractionStarter]: For program point L258-1(lines 258 259) no Hoare annotation was computed. [2018-11-18 12:45:28,497 INFO L425 ceAbstractionStarter]: For program point L258-3(lines 258 259) no Hoare annotation was computed. [2018-11-18 12:45:28,497 INFO L428 ceAbstractionStarter]: At program point L258-4(lines 258 259) the Hoare annotation is: true [2018-11-18 12:45:28,498 INFO L425 ceAbstractionStarter]: For program point L258-5(lines 258 259) no Hoare annotation was computed. [2018-11-18 12:45:28,498 INFO L425 ceAbstractionStarter]: For program point L308-1(line 308) no Hoare annotation was computed. [2018-11-18 12:45:28,498 INFO L425 ceAbstractionStarter]: For program point L275-1(lines 275 278) no Hoare annotation was computed. [2018-11-18 12:45:28,498 INFO L428 ceAbstractionStarter]: At program point L209(line 209) the Hoare annotation is: true [2018-11-18 12:45:28,498 INFO L425 ceAbstractionStarter]: For program point L275-2(lines 275 278) no Hoare annotation was computed. [2018-11-18 12:45:28,498 INFO L425 ceAbstractionStarter]: For program point L209-1(line 209) no Hoare annotation was computed. [2018-11-18 12:45:28,498 INFO L428 ceAbstractionStarter]: At program point L275-4(lines 275 278) the Hoare annotation is: true [2018-11-18 12:45:28,498 INFO L425 ceAbstractionStarter]: For program point L292-1(lines 292 295) no Hoare annotation was computed. [2018-11-18 12:45:28,498 INFO L425 ceAbstractionStarter]: For program point L226-1(lines 226 235) no Hoare annotation was computed. [2018-11-18 12:45:28,498 INFO L425 ceAbstractionStarter]: For program point L292-3(lines 292 295) no Hoare annotation was computed. [2018-11-18 12:45:28,498 INFO L425 ceAbstractionStarter]: For program point L193-1(lines 193 197) no Hoare annotation was computed. [2018-11-18 12:45:28,498 INFO L428 ceAbstractionStarter]: At program point L292-4(lines 292 295) the Hoare annotation is: true [2018-11-18 12:45:28,498 INFO L425 ceAbstractionStarter]: For program point L226-3(lines 226 235) no Hoare annotation was computed. [2018-11-18 12:45:28,499 INFO L425 ceAbstractionStarter]: For program point L292-5(lines 292 295) no Hoare annotation was computed. [2018-11-18 12:45:28,499 INFO L425 ceAbstractionStarter]: For program point L193-3(lines 193 197) no Hoare annotation was computed. [2018-11-18 12:45:28,499 INFO L428 ceAbstractionStarter]: At program point L226-4(lines 226 235) the Hoare annotation is: true [2018-11-18 12:45:28,499 INFO L428 ceAbstractionStarter]: At program point L193-4(lines 193 197) the Hoare annotation is: true [2018-11-18 12:45:28,499 INFO L425 ceAbstractionStarter]: For program point L226-5(lines 223 251) no Hoare annotation was computed. [2018-11-18 12:45:28,499 INFO L425 ceAbstractionStarter]: For program point L193-5(lines 193 197) no Hoare annotation was computed. [2018-11-18 12:45:28,499 INFO L425 ceAbstractionStarter]: For program point L194-1(lines 194 195) no Hoare annotation was computed. [2018-11-18 12:45:28,499 INFO L425 ceAbstractionStarter]: For program point L194-3(lines 194 195) no Hoare annotation was computed. [2018-11-18 12:45:28,499 INFO L428 ceAbstractionStarter]: At program point L194-4(lines 194 195) the Hoare annotation is: true [2018-11-18 12:45:28,499 INFO L425 ceAbstractionStarter]: For program point L194-5(lines 194 195) no Hoare annotation was computed. [2018-11-18 12:45:28,499 INFO L425 ceAbstractionStarter]: For program point L310(line 310) no Hoare annotation was computed. [2018-11-18 12:45:28,499 INFO L425 ceAbstractionStarter]: For program point L310-2(line 310) no Hoare annotation was computed. [2018-11-18 12:45:28,499 INFO L425 ceAbstractionStarter]: For program point L327-1(lines 327 331) no Hoare annotation was computed. [2018-11-18 12:45:28,499 INFO L425 ceAbstractionStarter]: For program point L228(lines 228 234) no Hoare annotation was computed. [2018-11-18 12:45:28,500 INFO L425 ceAbstractionStarter]: For program point L261-1(lines 261 266) no Hoare annotation was computed. [2018-11-18 12:45:28,500 INFO L425 ceAbstractionStarter]: For program point L327-3(lines 327 331) no Hoare annotation was computed. [2018-11-18 12:45:28,500 INFO L428 ceAbstractionStarter]: At program point L327-4(lines 327 331) the Hoare annotation is: true [2018-11-18 12:45:28,500 INFO L425 ceAbstractionStarter]: For program point L261-3(lines 261 266) no Hoare annotation was computed. [2018-11-18 12:45:28,500 INFO L425 ceAbstractionStarter]: For program point L327-5(lines 327 331) no Hoare annotation was computed. [2018-11-18 12:45:28,500 INFO L428 ceAbstractionStarter]: At program point L261-4(lines 261 266) the Hoare annotation is: true [2018-11-18 12:45:28,500 INFO L425 ceAbstractionStarter]: For program point L261-5(lines 261 266) no Hoare annotation was computed. [2018-11-18 12:45:28,500 INFO L425 ceAbstractionStarter]: For program point L311(line 311) no Hoare annotation was computed. [2018-11-18 12:45:28,500 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 232) no Hoare annotation was computed. [2018-11-18 12:45:28,500 INFO L425 ceAbstractionStarter]: For program point L213(lines 213 221) no Hoare annotation was computed. [2018-11-18 12:45:28,500 INFO L425 ceAbstractionStarter]: For program point __kernel_rem_pio2fEXIT(lines 174 345) no Hoare annotation was computed. [2018-11-18 12:45:28,500 INFO L425 ceAbstractionStarter]: For program point L263-1(lines 263 264) no Hoare annotation was computed. [2018-11-18 12:45:28,500 INFO L425 ceAbstractionStarter]: For program point L263-3(lines 263 264) no Hoare annotation was computed. [2018-11-18 12:45:28,500 INFO L428 ceAbstractionStarter]: At program point L263-4(lines 263 264) the Hoare annotation is: true [2018-11-18 12:45:28,500 INFO L425 ceAbstractionStarter]: For program point L263-5(lines 263 264) no Hoare annotation was computed. [2018-11-18 12:45:28,501 INFO L428 ceAbstractionStarter]: At program point L280(line 280) the Hoare annotation is: true [2018-11-18 12:45:28,501 INFO L425 ceAbstractionStarter]: For program point L313-1(lines 313 314) no Hoare annotation was computed. [2018-11-18 12:45:28,501 INFO L425 ceAbstractionStarter]: For program point L280-1(line 280) no Hoare annotation was computed. [2018-11-18 12:45:28,501 INFO L425 ceAbstractionStarter]: For program point L313-3(lines 313 314) no Hoare annotation was computed. [2018-11-18 12:45:28,501 INFO L428 ceAbstractionStarter]: At program point L313-4(lines 313 314) the Hoare annotation is: true [2018-11-18 12:45:28,501 INFO L425 ceAbstractionStarter]: For program point L313-5(lines 303 343) no Hoare annotation was computed. [2018-11-18 12:45:28,501 INFO L425 ceAbstractionStarter]: For program point L297-1(lines 297 301) no Hoare annotation was computed. [2018-11-18 12:45:28,501 INFO L425 ceAbstractionStarter]: For program point L297-3(lines 297 301) no Hoare annotation was computed. [2018-11-18 12:45:28,501 INFO L428 ceAbstractionStarter]: At program point L297-4(lines 297 301) the Hoare annotation is: true [2018-11-18 12:45:28,501 INFO L425 ceAbstractionStarter]: For program point L297-5(lines 297 301) no Hoare annotation was computed. [2018-11-18 12:45:28,501 INFO L425 ceAbstractionStarter]: For program point L281(lines 281 288) no Hoare annotation was computed. [2018-11-18 12:45:28,501 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 249) no Hoare annotation was computed. [2018-11-18 12:45:28,501 INFO L428 ceAbstractionStarter]: At program point L281-2(lines 272 289) the Hoare annotation is: true [2018-11-18 12:45:28,501 INFO L425 ceAbstractionStarter]: For program point L298-1(lines 298 299) no Hoare annotation was computed. [2018-11-18 12:45:28,501 INFO L425 ceAbstractionStarter]: For program point L298-3(lines 298 299) no Hoare annotation was computed. [2018-11-18 12:45:28,502 INFO L428 ceAbstractionStarter]: At program point L298-4(lines 298 299) the Hoare annotation is: true [2018-11-18 12:45:28,502 INFO L425 ceAbstractionStarter]: For program point L298-5(lines 298 299) no Hoare annotation was computed. [2018-11-18 12:45:28,502 INFO L425 ceAbstractionStarter]: For program point L315-1(line 315) no Hoare annotation was computed. [2018-11-18 12:45:28,502 INFO L428 ceAbstractionStarter]: At program point L249(line 249) the Hoare annotation is: true [2018-11-18 12:45:28,502 INFO L425 ceAbstractionStarter]: For program point L249-1(line 249) no Hoare annotation was computed. [2018-11-18 12:45:28,502 INFO L425 ceAbstractionStarter]: For program point __kernel_rem_pio2fFINAL(lines 174 345) no Hoare annotation was computed. [2018-11-18 12:45:28,502 INFO L425 ceAbstractionStarter]: For program point L332-1(lines 332 333) no Hoare annotation was computed. [2018-11-18 12:45:28,502 INFO L425 ceAbstractionStarter]: For program point L332-3(lines 332 333) no Hoare annotation was computed. [2018-11-18 12:45:28,502 INFO L428 ceAbstractionStarter]: At program point L332-4(lines 332 333) the Hoare annotation is: true [2018-11-18 12:45:28,502 INFO L425 ceAbstractionStarter]: For program point L332-5(lines 303 343) no Hoare annotation was computed. [2018-11-18 12:45:28,502 INFO L425 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 147 160) no Hoare annotation was computed. [2018-11-18 12:45:28,502 INFO L425 ceAbstractionStarter]: For program point L149-1(lines 149 153) no Hoare annotation was computed. [2018-11-18 12:45:28,502 INFO L428 ceAbstractionStarter]: At program point L149-3(lines 149 153) the Hoare annotation is: true [2018-11-18 12:45:28,502 INFO L425 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 147 160) no Hoare annotation was computed. [2018-11-18 12:45:28,502 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 158) no Hoare annotation was computed. [2018-11-18 12:45:28,502 INFO L425 ceAbstractionStarter]: For program point L154-2(lines 147 160) no Hoare annotation was computed. [2018-11-18 12:45:28,503 INFO L425 ceAbstractionStarter]: For program point L154-3(lines 154 158) no Hoare annotation was computed. [2018-11-18 12:45:28,503 INFO L428 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 147 160) the Hoare annotation is: true [2018-11-18 12:45:28,503 INFO L425 ceAbstractionStarter]: For program point L27(lines 27 31) no Hoare annotation was computed. [2018-11-18 12:45:28,503 INFO L425 ceAbstractionStarter]: For program point L44(lines 44 47) no Hoare annotation was computed. [2018-11-18 12:45:28,503 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 48) no Hoare annotation was computed. [2018-11-18 12:45:28,503 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 53) no Hoare annotation was computed. [2018-11-18 12:45:28,503 INFO L425 ceAbstractionStarter]: For program point L49-2(lines 14 55) no Hoare annotation was computed. [2018-11-18 12:45:28,503 INFO L425 ceAbstractionStarter]: For program point L49-3(lines 49 53) no Hoare annotation was computed. [2018-11-18 12:45:28,503 INFO L425 ceAbstractionStarter]: For program point L37(lines 37 41) no Hoare annotation was computed. [2018-11-18 12:45:28,503 INFO L425 ceAbstractionStarter]: For program point L29(lines 29 31) no Hoare annotation was computed. [2018-11-18 12:45:28,503 INFO L425 ceAbstractionStarter]: For program point floor_floatEXIT(lines 14 55) no Hoare annotation was computed. [2018-11-18 12:45:28,503 INFO L425 ceAbstractionStarter]: For program point L25(lines 25 42) no Hoare annotation was computed. [2018-11-18 12:45:28,503 INFO L425 ceAbstractionStarter]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2018-11-18 12:45:28,503 INFO L428 ceAbstractionStarter]: At program point L17-3(lines 17 21) the Hoare annotation is: true [2018-11-18 12:45:28,504 INFO L425 ceAbstractionStarter]: For program point L17-4(lines 17 21) no Hoare annotation was computed. [2018-11-18 12:45:28,504 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2018-11-18 12:45:28,504 INFO L425 ceAbstractionStarter]: For program point L38-2(lines 38 39) no Hoare annotation was computed. [2018-11-18 12:45:28,504 INFO L425 ceAbstractionStarter]: For program point floor_floatFINAL(lines 14 55) no Hoare annotation was computed. [2018-11-18 12:45:28,504 INFO L425 ceAbstractionStarter]: For program point L26(lines 26 32) no Hoare annotation was computed. [2018-11-18 12:45:28,504 INFO L428 ceAbstractionStarter]: At program point floor_floatENTRY(lines 14 55) the Hoare annotation is: true [2018-11-18 12:45:28,504 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 36) no Hoare annotation was computed. [2018-11-18 12:45:28,504 INFO L425 ceAbstractionStarter]: For program point copysign_floatEXIT(lines 72 90) no Hoare annotation was computed. [2018-11-18 12:45:28,504 INFO L425 ceAbstractionStarter]: For program point L79(lines 79 83) no Hoare annotation was computed. [2018-11-18 12:45:28,504 INFO L425 ceAbstractionStarter]: For program point L79-2(lines 72 90) no Hoare annotation was computed. [2018-11-18 12:45:28,504 INFO L428 ceAbstractionStarter]: At program point copysign_floatENTRY(lines 72 90) the Hoare annotation is: true [2018-11-18 12:45:28,504 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 88) no Hoare annotation was computed. [2018-11-18 12:45:28,504 INFO L425 ceAbstractionStarter]: For program point L84-2(lines 72 90) no Hoare annotation was computed. [2018-11-18 12:45:28,504 INFO L425 ceAbstractionStarter]: For program point L84-3(lines 84 88) no Hoare annotation was computed. [2018-11-18 12:45:28,504 INFO L425 ceAbstractionStarter]: For program point L74-1(lines 74 78) no Hoare annotation was computed. [2018-11-18 12:45:28,505 INFO L428 ceAbstractionStarter]: At program point L74-3(lines 74 78) the Hoare annotation is: true [2018-11-18 12:45:28,505 INFO L425 ceAbstractionStarter]: For program point copysign_floatFINAL(lines 72 90) no Hoare annotation was computed. [2018-11-18 12:45:28,505 INFO L425 ceAbstractionStarter]: For program point __ieee754_rem_pio2fEXIT(lines 386 502) no Hoare annotation was computed. [2018-11-18 12:45:28,505 INFO L425 ceAbstractionStarter]: For program point L440-1(lines 440 444) no Hoare annotation was computed. [2018-11-18 12:45:28,505 INFO L428 ceAbstractionStarter]: At program point L440-3(lines 440 444) the Hoare annotation is: true [2018-11-18 12:45:28,505 INFO L425 ceAbstractionStarter]: For program point L440-4(lines 440 444) no Hoare annotation was computed. [2018-11-18 12:45:28,505 INFO L425 ceAbstractionStarter]: For program point L482-1(lines 482 486) no Hoare annotation was computed. [2018-11-18 12:45:28,505 INFO L428 ceAbstractionStarter]: At program point L482-3(lines 482 486) the Hoare annotation is: true [2018-11-18 12:45:28,505 INFO L425 ceAbstractionStarter]: For program point L482-4(lines 482 486) no Hoare annotation was computed. [2018-11-18 12:45:28,505 INFO L425 ceAbstractionStarter]: For program point L458(lines 458 464) no Hoare annotation was computed. [2018-11-18 12:45:28,505 INFO L425 ceAbstractionStarter]: For program point L392-1(lines 392 396) no Hoare annotation was computed. [2018-11-18 12:45:28,505 INFO L428 ceAbstractionStarter]: At program point L392-3(lines 392 396) the Hoare annotation is: true [2018-11-18 12:45:28,505 INFO L425 ceAbstractionStarter]: For program point L392-4(lines 392 396) no Hoare annotation was computed. [2018-11-18 12:45:28,505 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 424) no Hoare annotation was computed. [2018-11-18 12:45:28,505 INFO L425 ceAbstractionStarter]: For program point L417-2(lines 417 424) no Hoare annotation was computed. [2018-11-18 12:45:28,506 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-18 12:45:28,506 INFO L425 ceAbstractionStarter]: For program point L434-2(lines 434 466) no Hoare annotation was computed. [2018-11-18 12:45:28,506 INFO L425 ceAbstractionStarter]: For program point __ieee754_rem_pio2fFINAL(lines 386 502) no Hoare annotation was computed. [2018-11-18 12:45:28,506 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 479) no Hoare annotation was computed. [2018-11-18 12:45:28,506 INFO L425 ceAbstractionStarter]: For program point L468(lines 468 473) no Hoare annotation was computed. [2018-11-18 12:45:28,506 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 493 494) no Hoare annotation was computed. [2018-11-18 12:45:28,506 INFO L425 ceAbstractionStarter]: For program point L493-2(lines 493 494) no Hoare annotation was computed. [2018-11-18 12:45:28,506 INFO L428 ceAbstractionStarter]: At program point L493-4(lines 493 494) the Hoare annotation is: true [2018-11-18 12:45:28,506 INFO L428 ceAbstractionStarter]: At program point __ieee754_rem_pio2fENTRY(lines 386 502) the Hoare annotation is: true [2018-11-18 12:45:28,506 INFO L428 ceAbstractionStarter]: At program point L493-5(lines 493 494) the Hoare annotation is: true [2018-11-18 12:45:28,506 INFO L425 ceAbstractionStarter]: For program point L452-1(lines 452 456) no Hoare annotation was computed. [2018-11-18 12:45:28,506 INFO L428 ceAbstractionStarter]: At program point L452-3(lines 452 456) the Hoare annotation is: true [2018-11-18 12:45:28,506 INFO L425 ceAbstractionStarter]: For program point L452-4(lines 452 456) no Hoare annotation was computed. [2018-11-18 12:45:28,506 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 427) no Hoare annotation was computed. [2018-11-18 12:45:28,506 INFO L425 ceAbstractionStarter]: For program point L428(lines 428 474) no Hoare annotation was computed. [2018-11-18 12:45:28,506 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 426) no Hoare annotation was computed. [2018-11-18 12:45:28,507 INFO L425 ceAbstractionStarter]: For program point L495(line 495) no Hoare annotation was computed. [2018-11-18 12:45:28,507 INFO L428 ceAbstractionStarter]: At program point L429(line 429) the Hoare annotation is: true [2018-11-18 12:45:28,507 INFO L425 ceAbstractionStarter]: For program point L429-1(line 429) no Hoare annotation was computed. [2018-11-18 12:45:28,507 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 487 490) no Hoare annotation was computed. [2018-11-18 12:45:28,507 INFO L425 ceAbstractionStarter]: For program point L487-3(lines 487 490) no Hoare annotation was computed. [2018-11-18 12:45:28,507 INFO L428 ceAbstractionStarter]: At program point L487-4(lines 487 490) the Hoare annotation is: true [2018-11-18 12:45:28,507 INFO L425 ceAbstractionStarter]: For program point L487-5(lines 487 490) no Hoare annotation was computed. [2018-11-18 12:45:28,507 INFO L425 ceAbstractionStarter]: For program point L446(lines 446 465) no Hoare annotation was computed. [2018-11-18 12:45:28,507 INFO L425 ceAbstractionStarter]: For program point L446-1(lines 434 466) no Hoare annotation was computed. [2018-11-18 12:45:28,507 INFO L425 ceAbstractionStarter]: For program point L496(lines 496 500) no Hoare annotation was computed. [2018-11-18 12:45:28,507 INFO L425 ceAbstractionStarter]: For program point L406(lines 406 413) no Hoare annotation was computed. [2018-11-18 12:45:28,507 INFO L425 ceAbstractionStarter]: For program point L406-2(lines 406 413) no Hoare annotation was computed. [2018-11-18 12:45:28,507 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 402) no Hoare annotation was computed. [2018-11-18 12:45:28,507 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:45:28,507 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 12:45:28,508 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:45:28,508 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:45:28,508 INFO L421 ceAbstractionStarter]: At program point L625(line 625) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) [2018-11-18 12:45:28,508 INFO L425 ceAbstractionStarter]: For program point L625-1(line 625) no Hoare annotation was computed. [2018-11-18 12:45:28,508 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 629) no Hoare annotation was computed. [2018-11-18 12:45:28,508 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 617 634) the Hoare annotation is: true [2018-11-18 12:45:28,508 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 617 634) no Hoare annotation was computed. [2018-11-18 12:45:28,508 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 617 634) no Hoare annotation was computed. [2018-11-18 12:45:28,508 INFO L425 ceAbstractionStarter]: For program point L629(line 629) no Hoare annotation was computed. [2018-11-18 12:45:28,508 INFO L421 ceAbstractionStarter]: At program point L628(line 628) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (and (= (fp.sub roundNearestTiesToEven .cse0 .cse0) main_~res~0) (= main_~x~0 .cse0))) [2018-11-18 12:45:28,508 INFO L425 ceAbstractionStarter]: For program point L628-1(lines 628 631) no Hoare annotation was computed. [2018-11-18 12:45:28,508 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 126 130) no Hoare annotation was computed. [2018-11-18 12:45:28,509 INFO L428 ceAbstractionStarter]: At program point L126-3(lines 126 130) the Hoare annotation is: true [2018-11-18 12:45:28,509 INFO L425 ceAbstractionStarter]: For program point L126-4(lines 126 130) no Hoare annotation was computed. [2018-11-18 12:45:28,509 INFO L428 ceAbstractionStarter]: At program point L135(line 135) the Hoare annotation is: true [2018-11-18 12:45:28,509 INFO L425 ceAbstractionStarter]: For program point L135-1(line 135) no Hoare annotation was computed. [2018-11-18 12:45:28,509 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 124) no Hoare annotation was computed. [2018-11-18 12:45:28,509 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 120) no Hoare annotation was computed. [2018-11-18 12:45:28,509 INFO L425 ceAbstractionStarter]: For program point L111(lines 111 121) no Hoare annotation was computed. [2018-11-18 12:45:28,509 INFO L425 ceAbstractionStarter]: For program point L111-2(lines 111 121) no Hoare annotation was computed. [2018-11-18 12:45:28,509 INFO L425 ceAbstractionStarter]: For program point scalbn_floatFINAL(lines 96 146) no Hoare annotation was computed. [2018-11-18 12:45:28,509 INFO L425 ceAbstractionStarter]: For program point L107(lines 107 108) no Hoare annotation was computed. [2018-11-18 12:45:28,509 INFO L425 ceAbstractionStarter]: For program point L140-1(lines 140 144) no Hoare annotation was computed. [2018-11-18 12:45:28,509 INFO L428 ceAbstractionStarter]: At program point L140-3(lines 140 144) the Hoare annotation is: true [2018-11-18 12:45:28,509 INFO L425 ceAbstractionStarter]: For program point L140-4(lines 140 144) no Hoare annotation was computed. [2018-11-18 12:45:28,509 INFO L428 ceAbstractionStarter]: At program point L124(line 124) the Hoare annotation is: true [2018-11-18 12:45:28,509 INFO L425 ceAbstractionStarter]: For program point L124-1(line 124) no Hoare annotation was computed. [2018-11-18 12:45:28,509 INFO L425 ceAbstractionStarter]: For program point scalbn_floatEXIT(lines 96 146) no Hoare annotation was computed. [2018-11-18 12:45:28,510 INFO L428 ceAbstractionStarter]: At program point scalbn_floatENTRY(lines 96 146) the Hoare annotation is: true [2018-11-18 12:45:28,510 INFO L428 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: true [2018-11-18 12:45:28,510 INFO L425 ceAbstractionStarter]: For program point L137-1(line 137) no Hoare annotation was computed. [2018-11-18 12:45:28,510 INFO L425 ceAbstractionStarter]: For program point L133(lines 133 138) no Hoare annotation was computed. [2018-11-18 12:45:28,510 INFO L425 ceAbstractionStarter]: For program point L100-1(lines 100 104) no Hoare annotation was computed. [2018-11-18 12:45:28,510 INFO L428 ceAbstractionStarter]: At program point L100-3(lines 100 104) the Hoare annotation is: true [2018-11-18 12:45:28,510 INFO L425 ceAbstractionStarter]: For program point L100-4(lines 100 104) no Hoare annotation was computed. [2018-11-18 12:45:28,510 INFO L425 ceAbstractionStarter]: For program point L125(lines 125 132) no Hoare annotation was computed. [2018-11-18 12:45:28,510 INFO L425 ceAbstractionStarter]: For program point L113-1(lines 113 117) no Hoare annotation was computed. [2018-11-18 12:45:28,510 INFO L428 ceAbstractionStarter]: At program point L113-3(lines 113 117) the Hoare annotation is: true [2018-11-18 12:45:28,510 INFO L425 ceAbstractionStarter]: For program point L109(lines 109 110) no Hoare annotation was computed. [2018-11-18 12:45:28,510 INFO L425 ceAbstractionStarter]: For program point L113-4(lines 113 117) no Hoare annotation was computed. [2018-11-18 12:45:28,510 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 137) no Hoare annotation was computed. [2018-11-18 12:45:28,510 INFO L425 ceAbstractionStarter]: For program point L572(lines 572 576) no Hoare annotation was computed. [2018-11-18 12:45:28,510 INFO L425 ceAbstractionStarter]: For program point L572-2(lines 562 591) no Hoare annotation was computed. [2018-11-18 12:45:28,510 INFO L425 ceAbstractionStarter]: For program point L572-3(lines 572 576) no Hoare annotation was computed. [2018-11-18 12:45:28,511 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 531 540) no Hoare annotation was computed. [2018-11-18 12:45:28,511 INFO L425 ceAbstractionStarter]: For program point L560(lines 560 591) no Hoare annotation was computed. [2018-11-18 12:45:28,511 INFO L425 ceAbstractionStarter]: For program point __kernel_tanfFINAL(lines 514 592) no Hoare annotation was computed. [2018-11-18 12:45:28,511 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 530) no Hoare annotation was computed. [2018-11-18 12:45:28,511 INFO L425 ceAbstractionStarter]: For program point L523-2(lines 514 592) no Hoare annotation was computed. [2018-11-18 12:45:28,511 INFO L425 ceAbstractionStarter]: For program point L532(lines 532 535) no Hoare annotation was computed. [2018-11-18 12:45:28,511 INFO L425 ceAbstractionStarter]: For program point L532-2(lines 532 535) no Hoare annotation was computed. [2018-11-18 12:45:28,511 INFO L425 ceAbstractionStarter]: For program point L528(line 528) no Hoare annotation was computed. [2018-11-18 12:45:28,511 INFO L425 ceAbstractionStarter]: For program point __kernel_tanfEXIT(lines 514 592) no Hoare annotation was computed. [2018-11-18 12:45:28,511 INFO L425 ceAbstractionStarter]: For program point L528-2(line 528) no Hoare annotation was computed. [2018-11-18 12:45:28,511 INFO L428 ceAbstractionStarter]: At program point __kernel_tanfENTRY(lines 514 592) the Hoare annotation is: true [2018-11-18 12:45:28,511 INFO L425 ceAbstractionStarter]: For program point L524(lines 524 529) no Hoare annotation was computed. [2018-11-18 12:45:28,511 INFO L425 ceAbstractionStarter]: For program point L525(lines 525 528) no Hoare annotation was computed. [2018-11-18 12:45:28,511 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 517 521) no Hoare annotation was computed. [2018-11-18 12:45:28,511 INFO L428 ceAbstractionStarter]: At program point L517-3(lines 517 521) the Hoare annotation is: true [2018-11-18 12:45:28,512 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 579 583) no Hoare annotation was computed. [2018-11-18 12:45:28,512 INFO L425 ceAbstractionStarter]: For program point L517-4(lines 517 521) no Hoare annotation was computed. [2018-11-18 12:45:28,512 INFO L428 ceAbstractionStarter]: At program point L579-3(lines 579 583) the Hoare annotation is: true [2018-11-18 12:45:28,512 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 567 571) no Hoare annotation was computed. [2018-11-18 12:45:28,512 INFO L428 ceAbstractionStarter]: At program point L567-3(lines 567 571) the Hoare annotation is: true [2018-11-18 12:45:28,512 INFO L428 ceAbstractionStarter]: At program point L526(line 526) the Hoare annotation is: true [2018-11-18 12:45:28,512 INFO L425 ceAbstractionStarter]: For program point L526-1(line 526) no Hoare annotation was computed. [2018-11-18 12:45:28,512 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 559) no Hoare annotation was computed. [2018-11-18 12:45:28,512 INFO L425 ceAbstractionStarter]: For program point L584(lines 584 588) no Hoare annotation was computed. [2018-11-18 12:45:28,512 INFO L425 ceAbstractionStarter]: For program point L584-2(lines 562 591) no Hoare annotation was computed. [2018-11-18 12:45:28,512 INFO L425 ceAbstractionStarter]: For program point L584-3(lines 584 588) no Hoare annotation was computed. [2018-11-18 12:45:28,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:45:28 BoogieIcfgContainer [2018-11-18 12:45:28,524 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:45:28,524 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:45:28,524 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:45:28,524 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:45:28,525 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:45:20" (3/4) ... [2018-11-18 12:45:28,527 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:45:28,534 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure tan_float [2018-11-18 12:45:28,534 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-11-18 12:45:28,534 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:45:28,534 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_rem_pio2f [2018-11-18 12:45:28,534 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-11-18 12:45:28,534 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure floor_float [2018-11-18 12:45:28,534 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_float [2018-11-18 12:45:28,534 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_rem_pio2f [2018-11-18 12:45:28,535 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:45:28,535 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_float [2018-11-18 12:45:28,535 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_tanf [2018-11-18 12:45:28,550 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 323 nodes and edges [2018-11-18 12:45:28,551 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 151 nodes and edges [2018-11-18 12:45:28,552 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2018-11-18 12:45:28,552 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 12:45:28,553 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-18 12:45:28,553 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-18 12:45:28,554 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 12:45:28,555 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 12:45:28,572 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-18 12:45:28,638 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a4570041-335c-405c-ac02-ae512ec8624b/bin-2019/utaipan/witness.graphml [2018-11-18 12:45:28,638 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:45:28,639 INFO L168 Benchmark]: Toolchain (without parser) took 31424.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 213.4 MB). Free memory was 944.4 MB in the beginning and 1.0 GB in the end (delta: -79.0 MB). Peak memory consumption was 134.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:45:28,639 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. [2018-11-18 12:45:28,639 INFO L168 Benchmark]: CACSL2BoogieTranslator took 559.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -187.1 MB). Peak memory consumption was 60.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:45:28,640 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-18 12:45:28,640 INFO L168 Benchmark]: Boogie Preprocessor took 84.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-18 12:45:28,640 INFO L168 Benchmark]: RCFGBuilder took 22932.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 871.9 MB in the end (delta: 245.8 MB). Peak memory consumption was 245.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:45:28,640 INFO L168 Benchmark]: TraceAbstraction took 7699.67 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.4 MB). Free memory was 871.9 MB in the beginning and 1.0 GB in the end (delta: -167.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:45:28,640 INFO L168 Benchmark]: Witness Printer took 114.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:45:28,642 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 559.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -187.1 MB). Peak memory consumption was 60.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 84.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 22932.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 871.9 MB in the end (delta: 245.8 MB). Peak memory consumption was 245.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7699.67 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.4 MB). Free memory was 871.9 MB in the beginning and 1.0 GB in the end (delta: -167.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 114.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 629]: 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: 317]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 482]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 286 locations, 1 error locations. SAFE Result, 7.6s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1471 SDtfs, 43 SDslu, 6111 SDs, 0 SdLazy, 109 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 125 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=286occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 197 PreInvPairs, 278 NumberOfFragments, 206 HoareAnnotationTreeSize, 197 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 68 FomulaSimplificationsInter, 32 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 4.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 119 NumberOfCodeBlocks, 119 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 115 ConstructedInterpolants, 13 QuantifiedInterpolants, 14914 SizeOfPredicates, 10 NumberOfNonLiveVariables, 863 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...