./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_27774073-c69f-4af7-82cb-d2c91166838f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_27774073-c69f-4af7-82cb-d2c91166838f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_27774073-c69f-4af7-82cb-d2c91166838f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_27774073-c69f-4af7-82cb-d2c91166838f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_27774073-c69f-4af7-82cb-d2c91166838f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_27774073-c69f-4af7-82cb-d2c91166838f/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 9c71a459772bdb184fdc6408fbdfc05dbcf613bc ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_27774073-c69f-4af7-82cb-d2c91166838f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_27774073-c69f-4af7-82cb-d2c91166838f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_27774073-c69f-4af7-82cb-d2c91166838f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_27774073-c69f-4af7-82cb-d2c91166838f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_27774073-c69f-4af7-82cb-d2c91166838f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_27774073-c69f-4af7-82cb-d2c91166838f/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 9c71a459772bdb184fdc6408fbdfc05dbcf613bc ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 08:28:47,469 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:28:47,470 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:28:47,477 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:28:47,478 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:28:47,478 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:28:47,479 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:28:47,480 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:28:47,481 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:28:47,482 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:28:47,483 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:28:47,483 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:28:47,483 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:28:47,484 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:28:47,485 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:28:47,485 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:28:47,486 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:28:47,487 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:28:47,489 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:28:47,490 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:28:47,491 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:28:47,492 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:28:47,494 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:28:47,494 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:28:47,494 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:28:47,495 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:28:47,496 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:28:47,497 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:28:47,498 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:28:47,498 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:28:47,499 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:28:47,499 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:28:47,500 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:28:47,500 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:28:47,501 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:28:47,501 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:28:47,501 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_27774073-c69f-4af7-82cb-d2c91166838f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 08:28:47,512 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:28:47,512 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:28:47,513 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:28:47,513 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 08:28:47,513 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 08:28:47,513 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 08:28:47,514 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 08:28:47,514 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 08:28:47,514 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 08:28:47,514 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 08:28:47,514 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 08:28:47,514 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 08:28:47,514 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 08:28:47,515 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:28:47,515 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:28:47,515 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 08:28:47,515 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:28:47,516 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:28:47,517 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:28:47,517 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:28:47,517 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:28:47,517 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:28:47,517 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:28:47,517 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:28:47,517 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:28:47,518 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:28:47,518 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 08:28:47,518 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:28:47,518 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 08:28:47,518 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:28:47,518 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:28:47,518 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:28:47,519 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:28:47,519 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 08:28:47,519 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:28:47,519 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 08:28:47,519 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 08:28:47,519 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_27774073-c69f-4af7-82cb-d2c91166838f/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 -> 9c71a459772bdb184fdc6408fbdfc05dbcf613bc [2018-11-23 08:28:47,547 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:28:47,555 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:28:47,557 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:28:47,558 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:28:47,558 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:28:47,559 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_27774073-c69f-4af7-82cb-d2c91166838f/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c [2018-11-23 08:28:47,594 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_27774073-c69f-4af7-82cb-d2c91166838f/bin-2019/utaipan/data/e47b6863d/d275bb92b0584c15aa0f4e81fae64df7/FLAG7b9b38f87 [2018-11-23 08:28:47,943 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:28:47,944 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_27774073-c69f-4af7-82cb-d2c91166838f/sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c [2018-11-23 08:28:47,950 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_27774073-c69f-4af7-82cb-d2c91166838f/bin-2019/utaipan/data/e47b6863d/d275bb92b0584c15aa0f4e81fae64df7/FLAG7b9b38f87 [2018-11-23 08:28:48,360 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_27774073-c69f-4af7-82cb-d2c91166838f/bin-2019/utaipan/data/e47b6863d/d275bb92b0584c15aa0f4e81fae64df7 [2018-11-23 08:28:48,362 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:28:48,363 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:28:48,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:28:48,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:28:48,367 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:28:48,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:28:48" (1/1) ... [2018-11-23 08:28:48,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e17af78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:48, skipping insertion in model container [2018-11-23 08:28:48,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:28:48" (1/1) ... [2018-11-23 08:28:48,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:28:48,396 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:28:48,516 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:28:48,518 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:28:48,541 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:28:48,556 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:28:48,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:48 WrapperNode [2018-11-23 08:28:48,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:28:48,556 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:28:48,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:28:48,557 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:28:48,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:48" (1/1) ... [2018-11-23 08:28:48,568 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:48" (1/1) ... [2018-11-23 08:28:48,573 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:28:48,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:28:48,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:28:48,573 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:28:48,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:48" (1/1) ... [2018-11-23 08:28:48,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:48" (1/1) ... [2018-11-23 08:28:48,618 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:48" (1/1) ... [2018-11-23 08:28:48,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:48" (1/1) ... [2018-11-23 08:28:48,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:48" (1/1) ... [2018-11-23 08:28:48,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:48" (1/1) ... [2018-11-23 08:28:48,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:48" (1/1) ... [2018-11-23 08:28:48,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:28:48,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:28:48,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:28:48,636 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:28:48,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_27774073-c69f-4af7-82cb-d2c91166838f/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 [2018-11-23 08:28:48,672 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 08:28:48,673 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 08:28:48,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-23 08:28:48,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 08:28:48,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 08:28:48,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 08:28:48,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-23 08:28:48,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 08:28:48,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:28:48,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:28:48,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 08:28:48,674 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-23 08:28:48,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-23 08:28:48,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 08:28:48,674 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-23 08:28:48,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-23 08:28:48,909 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:28:48,909 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-23 08:28:48,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:28:48 BoogieIcfgContainer [2018-11-23 08:28:48,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:28:48,910 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 08:28:48,910 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 08:28:48,913 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 08:28:48,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:28:48" (1/3) ... [2018-11-23 08:28:48,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@329cda38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:28:48, skipping insertion in model container [2018-11-23 08:28:48,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:48" (2/3) ... [2018-11-23 08:28:48,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@329cda38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:28:48, skipping insertion in model container [2018-11-23 08:28:48,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:28:48" (3/3) ... [2018-11-23 08:28:48,916 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0730b_true-unreach-call.c [2018-11-23 08:28:48,922 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 08:28:48,927 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 08:28:48,940 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 08:28:48,966 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 08:28:48,966 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 08:28:48,966 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 08:28:48,966 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 08:28:48,966 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 08:28:48,966 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 08:28:48,966 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 08:28:48,966 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 08:28:48,980 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2018-11-23 08:28:48,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 08:28:48,984 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:28:48,985 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:28:48,986 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:28:48,989 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:28:48,990 INFO L82 PathProgramCache]: Analyzing trace with hash 682309180, now seen corresponding path program 1 times [2018-11-23 08:28:48,991 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:28:49,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:28:49,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:28:49,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:28:49,023 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:28:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:28:49,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:28:49,084 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:28:49,084 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 08:28:49,084 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:28:49,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 08:28:49,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 08:28:49,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 08:28:49,097 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 2 states. [2018-11-23 08:28:49,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:28:49,114 INFO L93 Difference]: Finished difference Result 92 states and 133 transitions. [2018-11-23 08:28:49,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 08:28:49,115 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-11-23 08:28:49,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:28:49,121 INFO L225 Difference]: With dead ends: 92 [2018-11-23 08:28:49,121 INFO L226 Difference]: Without dead ends: 46 [2018-11-23 08:28:49,125 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 08:28:49,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-11-23 08:28:49,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-11-23 08:28:49,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-11-23 08:28:49,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 57 transitions. [2018-11-23 08:28:49,150 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 57 transitions. Word has length 17 [2018-11-23 08:28:49,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:28:49,150 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 57 transitions. [2018-11-23 08:28:49,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 08:28:49,150 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2018-11-23 08:28:49,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 08:28:49,151 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:28:49,151 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:28:49,151 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:28:49,152 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:28:49,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1153046949, now seen corresponding path program 1 times [2018-11-23 08:28:49,152 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:28:49,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:28:49,153 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:28:49,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:28:49,153 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:28:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 08:28:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 08:28:49,210 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); VAL [|#NULL.base|=12, |#NULL.offset|=6, |old(#NULL.base)|=12, |old(#NULL.offset)|=6, |old(~one_sqrt~0)|=8.0, |old(~tiny_sqrt~0)|=7.0, ~one_sqrt~0=8.0, ~tiny_sqrt~0=7.0] [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~one_sqrt~0 := 1.0;~tiny_sqrt~0 := 1.0E-30; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=12, |old(#NULL.offset)|=6, |old(~one_sqrt~0)|=8.0, |old(~tiny_sqrt~0)|=7.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume true; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=12, |old(#NULL.offset)|=6, |old(~one_sqrt~0)|=8.0, |old(~tiny_sqrt~0)|=7.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] RET #145#return; VAL [|#NULL.base|=0, |#NULL.offset|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] CALL call #t~ret10 := main(); VAL [|#NULL.base|=0, |#NULL.offset|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] ~x~0 := 0.0; VAL [main_~x~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] CALL call #t~ret7 := __ieee754_sqrtf(~x~0); VAL [|#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=0.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] ~x := #in~x;havoc ~z~0;havoc ~r~0;havoc ~hx~0;havoc ~ix~0;havoc ~s~0;havoc ~q~0;havoc ~m~0;havoc ~t~0;havoc ~i~0; VAL [__ieee754_sqrtf_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=0.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4);call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4);call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4);~ix~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296);call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4);havoc #t~mem0;havoc #t~union1;call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset);havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [__ieee754_sqrtf_~ix~0=2, __ieee754_sqrtf_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=0.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] goto; VAL [__ieee754_sqrtf_~ix~0=2, __ieee754_sqrtf_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=0.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [__ieee754_sqrtf_~ix~0=2, __ieee754_sqrtf_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=0.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume !(~hx~0 % 4294967296 < 2139095040);#res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [__ieee754_sqrtf_~hx~0=2139095040, __ieee754_sqrtf_~ix~0=2, __ieee754_sqrtf_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=0.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume true; VAL [__ieee754_sqrtf_~hx~0=2139095040, __ieee754_sqrtf_~ix~0=2, __ieee754_sqrtf_~x=0.0, |#NULL.base|=0, |#NULL.offset|=0, |__ieee754_sqrtf_#in~x|=0.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] RET #149#return; VAL [main_~x~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret7|=5.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] ~res~0 := #t~ret7;havoc #t~ret7;#t~short9 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); VAL [main_~res~0=5.0, main_~x~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~short9|=false, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume !#t~short9; VAL [main_~res~0=5.0, main_~x~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~short9|=false, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume !#t~short9;havoc #t~ret8;havoc #t~short9; VAL [main_~res~0=5.0, main_~x~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] assume !false; VAL [main_~res~0=5.0, main_~x~0=0.0, |#NULL.base|=0, |#NULL.offset|=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=(/ 1.0 1000000000000000000000000000000.0)] [?] CALL call ULTIMATE.init(); VAL [#NULL.base=12, #NULL.offset=6, old(#NULL.base)=12, old(#NULL.offset)=6, old(~one_sqrt~0)=8.0, old(~tiny_sqrt~0)=7.0, ~one_sqrt~0=8.0, ~tiny_sqrt~0=7.0] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L12] ~one_sqrt~0 := 1.0; [L12] ~tiny_sqrt~0 := 1.0E-30; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=12, old(#NULL.offset)=6, old(~one_sqrt~0)=8.0, old(~tiny_sqrt~0)=7.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=12, old(#NULL.offset)=6, old(~one_sqrt~0)=8.0, old(~tiny_sqrt~0)=7.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret10 := main(); VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L101] ~x~0 := 0.0; VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] [L102] CALL call #t~ret7 := __ieee754_sqrtf(~x~0); VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L14-L79] ~x := #in~x; [L15] havoc ~z~0; [L16] havoc ~r~0; [L16] havoc ~hx~0; [L17] havoc ~ix~0; [L17] havoc ~s~0; [L17] havoc ~q~0; [L17] havoc ~m~0; [L17] havoc ~t~0; [L17] havoc ~i~0; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=0.0] [L20] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L21] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L22] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L22] ~ix~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L22] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L22] havoc #t~mem0; [L22] havoc #t~union1; [L20] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L20] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~ix~0=2, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=0.0] [L24] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~ix~0=2, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=0.0] [L26-L27] assume !(~hx~0 % 4294967296 < 2139095040); [L27] #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~hx~0=2139095040, ~ix~0=2, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=0.0] [L14-L79] ensures true; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~hx~0=2139095040, ~ix~0=2, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=0.0] [L102] RET call #t~ret7 := __ieee754_sqrtf(~x~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret7=5.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] [L102] ~res~0 := #t~ret7; [L102] havoc #t~ret7; [L105] #t~short9 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); VAL [#NULL.base=0, #NULL.offset=0, #t~short9=false, ~one_sqrt~0=1.0, ~res~0=5.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] [L105] assume !#t~short9; VAL [#NULL.base=0, #NULL.offset=0, #t~short9=false, ~one_sqrt~0=1.0, ~res~0=5.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] [L105-L108] assume !#t~short9; [L105] havoc #t~ret8; [L105] havoc #t~short9; VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~res~0=5.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] [L106] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~res~0=5.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL.base=12, #NULL.offset=6, old(#NULL.base)=12, old(#NULL.offset)=6, old(~one_sqrt~0)=8.0, old(~tiny_sqrt~0)=7.0, ~one_sqrt~0=8.0, ~tiny_sqrt~0=7.0] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L12] ~one_sqrt~0 := 1.0; [L12] ~tiny_sqrt~0 := 1.0E-30; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=12, old(#NULL.offset)=6, old(~one_sqrt~0)=8.0, old(~tiny_sqrt~0)=7.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=12, old(#NULL.offset)=6, old(~one_sqrt~0)=8.0, old(~tiny_sqrt~0)=7.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret10 := main(); VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L101] ~x~0 := 0.0; VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] [L102] CALL call #t~ret7 := __ieee754_sqrtf(~x~0); VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L14-L79] ~x := #in~x; [L15] havoc ~z~0; [L16] havoc ~r~0; [L16] havoc ~hx~0; [L17] havoc ~ix~0; [L17] havoc ~s~0; [L17] havoc ~q~0; [L17] havoc ~m~0; [L17] havoc ~t~0; [L17] havoc ~i~0; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=0.0] [L20] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L21] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L22] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L22] ~ix~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L22] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L22] havoc #t~mem0; [L22] havoc #t~union1; [L20] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L20] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~ix~0=2, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=0.0] [L24] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~ix~0=2, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=0.0] [L26-L27] assume !(~hx~0 % 4294967296 < 2139095040); [L27] #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~hx~0=2139095040, ~ix~0=2, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=0.0] [L14-L79] ensures true; VAL [#in~x=0.0, #NULL.base=0, #NULL.offset=0, ~hx~0=2139095040, ~ix~0=2, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=0.0] [L102] RET call #t~ret7 := __ieee754_sqrtf(~x~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret7=5.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] [L102] ~res~0 := #t~ret7; [L102] havoc #t~ret7; [L105] #t~short9 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); VAL [#NULL.base=0, #NULL.offset=0, #t~short9=false, ~one_sqrt~0=1.0, ~res~0=5.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] [L105] assume !#t~short9; VAL [#NULL.base=0, #NULL.offset=0, #t~short9=false, ~one_sqrt~0=1.0, ~res~0=5.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] [L105-L108] assume !#t~short9; [L105] havoc #t~ret8; [L105] havoc #t~short9; VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~res~0=5.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] [L106] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~one_sqrt~0=1.0, ~res~0=5.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=12, #NULL!offset=6, old(#NULL!base)=12, old(#NULL!offset)=6, old(~one_sqrt~0)=8.0, old(~tiny_sqrt~0)=7.0, ~one_sqrt~0=8.0, ~tiny_sqrt~0=7.0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L12] ~one_sqrt~0 := 1.0; [L12] ~tiny_sqrt~0 := 1.0E-30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=12, old(#NULL!offset)=6, old(~one_sqrt~0)=8.0, old(~tiny_sqrt~0)=7.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret10 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L101] ~x~0 := 0.0; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] [L102] CALL call #t~ret7 := __ieee754_sqrtf(~x~0); VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L14-L79] ~x := #in~x; [L15] havoc ~z~0; [L16] havoc ~r~0; [L16] havoc ~hx~0; [L17] havoc ~ix~0; [L17] havoc ~s~0; [L17] havoc ~q~0; [L17] havoc ~m~0; [L17] havoc ~t~0; [L17] havoc ~i~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=0.0] [L20] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L21] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L22] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L22] ~ix~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L22] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L22] havoc #t~mem0; [L22] havoc #t~union1; [L20] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L20] havoc ~#gf_u~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~ix~0=2, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=0.0] [L24] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~ix~0=2, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=0.0] [L26] COND TRUE !(~hx~0 % 4294967296 < 2139095040) [L27] #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~hx~0=2139095040, ~ix~0=2, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=0.0] [L102] RET call #t~ret7 := __ieee754_sqrtf(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=5.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] [L102] ~res~0 := #t~ret7; [L102] havoc #t~ret7; [L105] #t~short9 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, #t~short9=false, ~one_sqrt~0=1.0, ~res~0=5.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] [L105] COND FALSE !(#t~short9) VAL [#NULL!base=0, #NULL!offset=0, #t~short9=false, ~one_sqrt~0=1.0, ~res~0=5.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] [L105] COND TRUE !#t~short9 [L105] havoc #t~ret8; [L105] havoc #t~short9; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=5.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] [L106] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=5.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=12, #NULL!offset=6, old(#NULL!base)=12, old(#NULL!offset)=6, old(~one_sqrt~0)=8.0, old(~tiny_sqrt~0)=7.0, ~one_sqrt~0=8.0, ~tiny_sqrt~0=7.0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L12] ~one_sqrt~0 := 1.0; [L12] ~tiny_sqrt~0 := 1.0E-30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=12, old(#NULL!offset)=6, old(~one_sqrt~0)=8.0, old(~tiny_sqrt~0)=7.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret10 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L101] ~x~0 := 0.0; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] [L102] CALL call #t~ret7 := __ieee754_sqrtf(~x~0); VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L14-L79] ~x := #in~x; [L15] havoc ~z~0; [L16] havoc ~r~0; [L16] havoc ~hx~0; [L17] havoc ~ix~0; [L17] havoc ~s~0; [L17] havoc ~q~0; [L17] havoc ~m~0; [L17] havoc ~t~0; [L17] havoc ~i~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=0.0] [L20] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L21] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L22] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L22] ~ix~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L22] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L22] havoc #t~mem0; [L22] havoc #t~union1; [L20] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L20] havoc ~#gf_u~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~ix~0=2, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=0.0] [L24] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~ix~0=2, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=0.0] [L26] COND TRUE !(~hx~0 % 4294967296 < 2139095040) [L27] #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~hx~0=2139095040, ~ix~0=2, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=0.0] [L102] RET call #t~ret7 := __ieee754_sqrtf(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=5.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] [L102] ~res~0 := #t~ret7; [L102] havoc #t~ret7; [L105] #t~short9 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, #t~short9=false, ~one_sqrt~0=1.0, ~res~0=5.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] [L105] COND FALSE !(#t~short9) VAL [#NULL!base=0, #NULL!offset=0, #t~short9=false, ~one_sqrt~0=1.0, ~res~0=5.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] [L105] COND TRUE !#t~short9 [L105] havoc #t~ret8; [L105] havoc #t~short9; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=5.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] [L106] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=5.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=12, #NULL!offset=6, old(#NULL!base)=12, old(#NULL!offset)=6, old(~one_sqrt~0)=8.0, old(~tiny_sqrt~0)=7.0, ~one_sqrt~0=8.0, ~tiny_sqrt~0=7.0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L12] ~one_sqrt~0 := 1.0; [L12] ~tiny_sqrt~0 := 1.0E-30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=12, old(#NULL!offset)=6, old(~one_sqrt~0)=8.0, old(~tiny_sqrt~0)=7.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret10 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L101] ~x~0 := 0.0; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] [L102] CALL call #t~ret7 := __ieee754_sqrtf(~x~0); VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L14-L79] ~x := #in~x; [L15] havoc ~z~0; [L16] havoc ~r~0; [L16] havoc ~hx~0; [L17] havoc ~ix~0; [L17] havoc ~s~0; [L17] havoc ~q~0; [L17] havoc ~m~0; [L17] havoc ~t~0; [L17] havoc ~i~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=0.0] [L20] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L21] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L22] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L22] ~ix~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L22] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L22] havoc #t~mem0; [L22] havoc #t~union1; [L20] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L20] havoc ~#gf_u~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~ix~0=2, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=0.0] [L24] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~ix~0=2, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=0.0] [L26] COND TRUE !(~hx~0 % 4294967296 < 2139095040) [L27] #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~hx~0=2139095040, ~ix~0=2, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=0.0] [L102] RET call #t~ret7 := __ieee754_sqrtf(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=5.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] [L102] ~res~0 := #t~ret7; [L102] havoc #t~ret7; [L105] #t~short9 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, #t~short9=false, ~one_sqrt~0=1.0, ~res~0=5.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] [L105] COND FALSE !(#t~short9) VAL [#NULL!base=0, #NULL!offset=0, #t~short9=false, ~one_sqrt~0=1.0, ~res~0=5.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] [L105] COND TRUE !#t~short9 [L105] havoc #t~ret8; [L105] havoc #t~short9; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=5.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] [L106] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=5.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=12, #NULL!offset=6, old(#NULL!base)=12, old(#NULL!offset)=6, old(~one_sqrt~0)=8.0, old(~tiny_sqrt~0)=7.0, ~one_sqrt~0=8.0, ~tiny_sqrt~0=7.0] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L12] ~one_sqrt~0 := 1.0; [L12] ~tiny_sqrt~0 := 1.0E-30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=12, old(#NULL!offset)=6, old(~one_sqrt~0)=8.0, old(~tiny_sqrt~0)=7.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [?] CALL call #t~ret10 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L101] ~x~0 := 0.0; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] [L102] CALL call #t~ret7 := __ieee754_sqrtf(~x~0); VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000] [L14-L79] ~x := #in~x; [L15] havoc ~z~0; [L16] havoc ~r~0; [L16] havoc ~hx~0; [L17] havoc ~ix~0; [L17] havoc ~s~0; [L17] havoc ~q~0; [L17] havoc ~m~0; [L17] havoc ~t~0; [L17] havoc ~i~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=0.0] [L20] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L21] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L22] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L22] ~ix~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L22] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L22] havoc #t~mem0; [L22] havoc #t~union1; [L20] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L20] havoc ~#gf_u~0; VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~ix~0=2, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=0.0] [L24] ~hx~0 := ~bitwiseAnd(~ix~0, 2147483647); VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~ix~0=2, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=0.0] [L26] COND TRUE !(~hx~0 % 4294967296 < 2139095040) [L27] #res := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~x, ~x), ~x); VAL [#in~x=0.0, #NULL!base=0, #NULL!offset=0, ~hx~0=2139095040, ~ix~0=2, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x=0.0] [L102] RET call #t~ret7 := __ieee754_sqrtf(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret7=5.0, ~one_sqrt~0=1.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] [L102] ~res~0 := #t~ret7; [L102] havoc #t~ret7; [L105] #t~short9 := ~someBinaryFLOATComparisonOperation(~res~0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, #t~short9=false, ~one_sqrt~0=1.0, ~res~0=5.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] [L105] COND FALSE !(#t~short9) VAL [#NULL!base=0, #NULL!offset=0, #t~short9=false, ~one_sqrt~0=1.0, ~res~0=5.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] [L105] COND TRUE !#t~short9 [L105] havoc #t~ret8; [L105] havoc #t~short9; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=5.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] [L106] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~one_sqrt~0=1.0, ~res~0=5.0, ~tiny_sqrt~0=1/1000000000000000000000000000000, ~x~0=0.0] [L12] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [\old(one_sqrt)=8, \old(tiny_sqrt)=7, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L101] float x = 0.0f; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L102] CALL, EXPR __ieee754_sqrtf(x) VAL [\old(x)=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L15] float z; [L16] __uint32_t r, hx; [L17] __int32_t ix, s, q, m, t, i; VAL [\old(x)=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L20] ieee_float_shape_type gf_u; [L21] gf_u.value = (x) [L22] EXPR gf_u.word [L22] (ix) = gf_u.word [L24] hx = ix & 0x7fffffff VAL [\old(x)=0, ix=2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L26] COND TRUE !((hx) < 0x7f800000L) [L27] return x * x + x; VAL [\old(x)=0, hx=2139095040, ix=2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L102] RET, EXPR __ieee754_sqrtf(x) VAL [__ieee754_sqrtf(x)=5, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L102] float res = __ieee754_sqrtf(x); [L105] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [one_sqrt=1, res=5, res == 0.0f && __signbit_float(res) == 0=0, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L105] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L106] __VERIFIER_error() VAL [one_sqrt=1, res=5, tiny_sqrt=1/1000000000000000000000000000000, x=0] ----- [2018-11-23 08:28:49,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:28:49 BoogieIcfgContainer [2018-11-23 08:28:49,245 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 08:28:49,245 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:28:49,245 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:28:49,245 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:28:49,246 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:28:48" (3/4) ... [2018-11-23 08:28:49,249 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 08:28:49,249 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:28:49,249 INFO L168 Benchmark]: Toolchain (without parser) took 886.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -118.2 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-11-23 08:28:49,251 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:28:49,251 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.27 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 945.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 08:28:49,251 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.26 ms. Allocated memory is still 1.0 GB. Free memory was 945.8 MB in the beginning and 943.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:28:49,252 INFO L168 Benchmark]: Boogie Preprocessor took 62.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 943.1 MB in the beginning and 1.1 GB in the end (delta: -186.5 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-11-23 08:28:49,253 INFO L168 Benchmark]: RCFGBuilder took 273.62 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: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:28:49,253 INFO L168 Benchmark]: TraceAbstraction took 334.92 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: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-23 08:28:49,253 INFO L168 Benchmark]: Witness Printer took 3.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:28:49,256 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 192.27 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 945.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.26 ms. Allocated memory is still 1.0 GB. Free memory was 945.8 MB in the beginning and 943.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 943.1 MB in the beginning and 1.1 GB in the end (delta: -186.5 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 273.62 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: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 334.92 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: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 106]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 105, overapproximation of bitwiseAnd at line 24, overapproximation of someBinaryArithmeticFLOAToperation at line 27. Possible FailurePath: [L12] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [\old(one_sqrt)=8, \old(tiny_sqrt)=7, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L101] float x = 0.0f; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L102] CALL, EXPR __ieee754_sqrtf(x) VAL [\old(x)=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L15] float z; [L16] __uint32_t r, hx; [L17] __int32_t ix, s, q, m, t, i; VAL [\old(x)=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L20] ieee_float_shape_type gf_u; [L21] gf_u.value = (x) [L22] EXPR gf_u.word [L22] (ix) = gf_u.word [L24] hx = ix & 0x7fffffff VAL [\old(x)=0, ix=2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L26] COND TRUE !((hx) < 0x7f800000L) [L27] return x * x + x; VAL [\old(x)=0, hx=2139095040, ix=2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L102] RET, EXPR __ieee754_sqrtf(x) VAL [__ieee754_sqrtf(x)=5, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L102] float res = __ieee754_sqrtf(x); [L105] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [one_sqrt=1, res=5, res == 0.0f && __signbit_float(res) == 0=0, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L105] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L106] __VERIFIER_error() VAL [one_sqrt=1, res=5, tiny_sqrt=1/1000000000000000000000000000000, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 50 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 61 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=50occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 08:28:50,749 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:28:50,750 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:28:50,758 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:28:50,758 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:28:50,758 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:28:50,759 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:28:50,761 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:28:50,762 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:28:50,762 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:28:50,763 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:28:50,763 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:28:50,764 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:28:50,765 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:28:50,766 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:28:50,766 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:28:50,767 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:28:50,768 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:28:50,770 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:28:50,771 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:28:50,772 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:28:50,773 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:28:50,775 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:28:50,775 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:28:50,775 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:28:50,776 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:28:50,777 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:28:50,777 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:28:50,778 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:28:50,779 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:28:50,779 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:28:50,779 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:28:50,780 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:28:50,780 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:28:50,780 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:28:50,781 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:28:50,781 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_27774073-c69f-4af7-82cb-d2c91166838f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-23 08:28:50,793 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:28:50,793 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:28:50,794 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:28:50,794 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 08:28:50,794 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 08:28:50,794 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 08:28:50,795 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 08:28:50,795 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 08:28:50,795 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 08:28:50,795 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 08:28:50,796 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:28:50,796 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:28:50,796 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:28:50,796 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:28:50,796 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:28:50,796 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:28:50,797 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:28:50,797 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 08:28:50,797 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 08:28:50,797 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:28:50,797 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:28:50,797 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:28:50,797 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:28:50,798 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:28:50,798 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 08:28:50,798 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:28:50,798 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 08:28:50,798 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:28:50,798 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:28:50,799 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:28:50,799 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:28:50,799 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 08:28:50,799 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:28:50,799 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 08:28:50,799 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 08:28:50,799 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_27774073-c69f-4af7-82cb-d2c91166838f/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 -> 9c71a459772bdb184fdc6408fbdfc05dbcf613bc [2018-11-23 08:28:50,831 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:28:50,840 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:28:50,843 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:28:50,844 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:28:50,844 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:28:50,845 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_27774073-c69f-4af7-82cb-d2c91166838f/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c [2018-11-23 08:28:50,884 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_27774073-c69f-4af7-82cb-d2c91166838f/bin-2019/utaipan/data/428237448/69292d96d8da4d33968d7e396ef3df46/FLAGe06938396 [2018-11-23 08:28:51,214 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:28:51,215 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_27774073-c69f-4af7-82cb-d2c91166838f/sv-benchmarks/c/float-newlib/float_req_bl_0730b_true-unreach-call.c [2018-11-23 08:28:51,221 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_27774073-c69f-4af7-82cb-d2c91166838f/bin-2019/utaipan/data/428237448/69292d96d8da4d33968d7e396ef3df46/FLAGe06938396 [2018-11-23 08:28:51,643 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_27774073-c69f-4af7-82cb-d2c91166838f/bin-2019/utaipan/data/428237448/69292d96d8da4d33968d7e396ef3df46 [2018-11-23 08:28:51,646 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:28:51,647 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:28:51,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:28:51,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:28:51,651 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:28:51,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:28:51" (1/1) ... [2018-11-23 08:28:51,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12511f90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:51, skipping insertion in model container [2018-11-23 08:28:51,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:28:51" (1/1) ... [2018-11-23 08:28:51,662 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:28:51,681 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:28:51,820 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:28:51,825 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:28:51,849 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:28:51,865 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:28:51,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:51 WrapperNode [2018-11-23 08:28:51,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:28:51,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:28:51,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:28:51,866 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:28:51,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:51" (1/1) ... [2018-11-23 08:28:51,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:51" (1/1) ... [2018-11-23 08:28:51,884 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:28:51,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:28:51,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:28:51,884 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:28:51,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:51" (1/1) ... [2018-11-23 08:28:51,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:51" (1/1) ... [2018-11-23 08:28:51,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:51" (1/1) ... [2018-11-23 08:28:51,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:51" (1/1) ... [2018-11-23 08:28:51,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:51" (1/1) ... [2018-11-23 08:28:51,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:51" (1/1) ... [2018-11-23 08:28:51,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:51" (1/1) ... [2018-11-23 08:28:51,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:28:51,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:28:51,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:28:51,912 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:28:51,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_27774073-c69f-4af7-82cb-d2c91166838f/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 [2018-11-23 08:28:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 08:28:51,997 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 08:28:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-23 08:28:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 08:28:51,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 08:28:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 08:28:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-23 08:28:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:28:51,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:28:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-23 08:28:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-11-23 08:28:51,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-11-23 08:28:51,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-23 08:28:51,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 08:28:51,999 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-23 08:28:51,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-23 08:28:52,613 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:28:52,614 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-23 08:28:52,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:28:52 BoogieIcfgContainer [2018-11-23 08:28:52,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:28:52,614 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 08:28:52,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 08:28:52,617 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 08:28:52,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:28:51" (1/3) ... [2018-11-23 08:28:52,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e093dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:28:52, skipping insertion in model container [2018-11-23 08:28:52,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:51" (2/3) ... [2018-11-23 08:28:52,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e093dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:28:52, skipping insertion in model container [2018-11-23 08:28:52,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:28:52" (3/3) ... [2018-11-23 08:28:52,619 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0730b_true-unreach-call.c [2018-11-23 08:28:52,625 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 08:28:52,630 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 08:28:52,640 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 08:28:52,661 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 08:28:52,661 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 08:28:52,661 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 08:28:52,661 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 08:28:52,661 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 08:28:52,661 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 08:28:52,661 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 08:28:52,662 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 08:28:52,662 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 08:28:52,674 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2018-11-23 08:28:52,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 08:28:52,678 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:28:52,679 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:28:52,680 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:28:52,684 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:28:52,684 INFO L82 PathProgramCache]: Analyzing trace with hash 682309180, now seen corresponding path program 1 times [2018-11-23 08:28:52,687 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 08:28:52,688 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_27774073-c69f-4af7-82cb-d2c91166838f/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 [2018-11-23 08:28:52,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:28:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:28:52,804 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:28:52,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:28:52,818 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:28:52,831 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:28:52,832 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 08:28:52,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 08:28:52,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 08:28:52,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 08:28:52,846 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 2 states. [2018-11-23 08:28:52,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:28:52,862 INFO L93 Difference]: Finished difference Result 92 states and 133 transitions. [2018-11-23 08:28:52,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 08:28:52,863 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-11-23 08:28:52,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:28:52,872 INFO L225 Difference]: With dead ends: 92 [2018-11-23 08:28:52,872 INFO L226 Difference]: Without dead ends: 46 [2018-11-23 08:28:52,875 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 08:28:52,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-11-23 08:28:52,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-11-23 08:28:52,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-11-23 08:28:52,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 57 transitions. [2018-11-23 08:28:52,900 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 57 transitions. Word has length 17 [2018-11-23 08:28:52,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:28:52,900 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 57 transitions. [2018-11-23 08:28:52,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 08:28:52,901 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2018-11-23 08:28:52,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 08:28:52,901 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:28:52,901 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:28:52,902 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:28:52,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:28:52,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1153046949, now seen corresponding path program 1 times [2018-11-23 08:28:52,902 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 08:28:52,903 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_27774073-c69f-4af7-82cb-d2c91166838f/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 [2018-11-23 08:28:52,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:28:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:28:53,021 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:28:53,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:28:53,115 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:28:53,123 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:28:53,123 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 08:28:53,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 08:28:53,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 08:28:53,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:28:53,125 INFO L87 Difference]: Start difference. First operand 46 states and 57 transitions. Second operand 7 states. [2018-11-23 08:28:53,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:28:53,990 INFO L93 Difference]: Finished difference Result 66 states and 78 transitions. [2018-11-23 08:28:53,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 08:28:53,991 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2018-11-23 08:28:53,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:28:53,993 INFO L225 Difference]: With dead ends: 66 [2018-11-23 08:28:53,993 INFO L226 Difference]: Without dead ends: 51 [2018-11-23 08:28:53,994 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-23 08:28:53,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-11-23 08:28:54,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 46. [2018-11-23 08:28:54,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-11-23 08:28:54,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 56 transitions. [2018-11-23 08:28:54,001 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 56 transitions. Word has length 18 [2018-11-23 08:28:54,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:28:54,002 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 56 transitions. [2018-11-23 08:28:54,002 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 08:28:54,002 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2018-11-23 08:28:54,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 08:28:54,003 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:28:54,003 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:28:54,003 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:28:54,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:28:54,003 INFO L82 PathProgramCache]: Analyzing trace with hash -2106122886, now seen corresponding path program 1 times [2018-11-23 08:28:54,003 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 08:28:54,004 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_27774073-c69f-4af7-82cb-d2c91166838f/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 [2018-11-23 08:28:54,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:28:54,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:28:54,037 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:28:54,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:28:54,103 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:28:54,112 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:28:54,112 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 08:28:54,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 08:28:54,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 08:28:54,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:28:54,113 INFO L87 Difference]: Start difference. First operand 46 states and 56 transitions. Second operand 7 states. [2018-11-23 08:28:54,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:28:54,634 INFO L93 Difference]: Finished difference Result 53 states and 63 transitions. [2018-11-23 08:28:54,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 08:28:54,636 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-11-23 08:28:54,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:28:54,637 INFO L225 Difference]: With dead ends: 53 [2018-11-23 08:28:54,637 INFO L226 Difference]: Without dead ends: 50 [2018-11-23 08:28:54,638 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-11-23 08:28:54,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-11-23 08:28:54,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-11-23 08:28:54,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-11-23 08:28:54,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 60 transitions. [2018-11-23 08:28:54,644 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 60 transitions. Word has length 19 [2018-11-23 08:28:54,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:28:54,644 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 60 transitions. [2018-11-23 08:28:54,644 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 08:28:54,644 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2018-11-23 08:28:54,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 08:28:54,645 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:28:54,645 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:28:54,645 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:28:54,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:28:54,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1963308863, now seen corresponding path program 1 times [2018-11-23 08:28:54,646 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 08:28:54,646 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_27774073-c69f-4af7-82cb-d2c91166838f/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 [2018-11-23 08:28:54,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:28:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:28:54,835 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:28:54,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:28:54,918 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:28:54,927 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:28:54,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 08:28:54,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 08:28:54,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 08:28:54,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:28:54,928 INFO L87 Difference]: Start difference. First operand 50 states and 60 transitions. Second operand 7 states. [2018-11-23 08:28:55,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:28:55,362 INFO L93 Difference]: Finished difference Result 66 states and 76 transitions. [2018-11-23 08:28:55,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 08:28:55,363 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-11-23 08:28:55,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:28:55,363 INFO L225 Difference]: With dead ends: 66 [2018-11-23 08:28:55,364 INFO L226 Difference]: Without dead ends: 28 [2018-11-23 08:28:55,364 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-23 08:28:55,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-11-23 08:28:55,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-11-23 08:28:55,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-11-23 08:28:55,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions. [2018-11-23 08:28:55,366 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 20 [2018-11-23 08:28:55,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:28:55,367 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions. [2018-11-23 08:28:55,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 08:28:55,367 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2018-11-23 08:28:55,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 08:28:55,367 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:28:55,367 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:28:55,368 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:28:55,368 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:28:55,368 INFO L82 PathProgramCache]: Analyzing trace with hash 341958705, now seen corresponding path program 1 times [2018-11-23 08:28:55,368 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 08:28:55,368 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_27774073-c69f-4af7-82cb-d2c91166838f/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-23 08:28:55,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:28:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:28:55,404 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:28:55,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:28:55,562 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 08:28:55,570 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:28:55,570 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-11-23 08:28:55,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 08:28:55,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 08:28:55,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-11-23 08:28:55,571 INFO L87 Difference]: Start difference. First operand 28 states and 27 transitions. Second operand 12 states. [2018-11-23 08:28:55,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:28:55,883 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2018-11-23 08:28:55,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 08:28:55,883 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 27 [2018-11-23 08:28:55,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:28:55,884 INFO L225 Difference]: With dead ends: 28 [2018-11-23 08:28:55,884 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 08:28:55,884 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2018-11-23 08:28:55,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 08:28:55,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 08:28:55,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 08:28:55,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 08:28:55,885 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2018-11-23 08:28:55,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:28:55,885 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 08:28:55,885 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 08:28:55,885 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 08:28:55,885 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 08:28:55,888 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 08:28:55,999 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:28:55,999 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 08:28:55,999 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:28:55,999 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:28:55,999 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 08:28:55,999 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 08:28:55,999 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:28:56,000 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 93 111) the Hoare annotation is: true [2018-11-23 08:28:56,000 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 93 111) no Hoare annotation was computed. [2018-11-23 08:28:56,000 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 93 111) no Hoare annotation was computed. [2018-11-23 08:28:56,000 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 08:28:56,000 INFO L448 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-11-23 08:28:56,000 INFO L444 ceAbstractionStarter]: At program point L105-1(line 105) the Hoare annotation is: (and (= (_ +zero 8 24) main_~x~0) (= (_ +zero 8 24) main_~res~0) |main_#t~short9|) [2018-11-23 08:28:56,000 INFO L448 ceAbstractionStarter]: For program point L105-2(line 105) no Hoare annotation was computed. [2018-11-23 08:28:56,000 INFO L444 ceAbstractionStarter]: At program point L102(line 102) the Hoare annotation is: (= (_ +zero 8 24) main_~x~0) [2018-11-23 08:28:56,000 INFO L448 ceAbstractionStarter]: For program point L102-1(line 102) no Hoare annotation was computed. [2018-11-23 08:28:56,000 INFO L448 ceAbstractionStarter]: For program point L105-4(lines 105 108) no Hoare annotation was computed. [2018-11-23 08:28:56,001 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 106) no Hoare annotation was computed. [2018-11-23 08:28:56,001 INFO L448 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 81 91) no Hoare annotation was computed. [2018-11-23 08:28:56,001 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 84 88) no Hoare annotation was computed. [2018-11-23 08:28:56,001 INFO L444 ceAbstractionStarter]: At program point L84-2(lines 84 88) the Hoare annotation is: (= |__signbit_float_#in~x| __signbit_float_~x) [2018-11-23 08:28:56,001 INFO L448 ceAbstractionStarter]: For program point L84-3(lines 84 88) no Hoare annotation was computed. [2018-11-23 08:28:56,001 INFO L451 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 81 91) the Hoare annotation is: true [2018-11-23 08:28:56,001 INFO L448 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 81 91) no Hoare annotation was computed. [2018-11-23 08:28:56,001 INFO L448 ceAbstractionStarter]: For program point L35-2(lines 35 39) no Hoare annotation was computed. [2018-11-23 08:28:56,001 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2018-11-23 08:28:56,002 INFO L448 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2018-11-23 08:28:56,002 INFO L448 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-11-23 08:28:56,002 INFO L448 ceAbstractionStarter]: For program point L52-2(lines 52 56) no Hoare annotation was computed. [2018-11-23 08:28:56,002 INFO L444 ceAbstractionStarter]: At program point L19-2(lines 19 23) the Hoare annotation is: (= |__ieee754_sqrtf_#in~x| __ieee754_sqrtf_~x) [2018-11-23 08:28:56,002 INFO L448 ceAbstractionStarter]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2018-11-23 08:28:56,002 INFO L448 ceAbstractionStarter]: For program point L73-1(lines 73 77) no Hoare annotation was computed. [2018-11-23 08:28:56,002 INFO L444 ceAbstractionStarter]: At program point L73-2(lines 73 77) the Hoare annotation is: (and (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (not (= (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|))) (= |__ieee754_sqrtf_#in~x| __ieee754_sqrtf_~x) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) __ieee754_sqrtf_~hx~0) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|)))) [2018-11-23 08:28:56,003 INFO L448 ceAbstractionStarter]: For program point L73-3(lines 73 77) no Hoare annotation was computed. [2018-11-23 08:28:56,003 INFO L448 ceAbstractionStarter]: For program point L36-2(lines 36 37) no Hoare annotation was computed. [2018-11-23 08:28:56,003 INFO L444 ceAbstractionStarter]: At program point L36-3(lines 36 37) the Hoare annotation is: (and (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (not (= (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|))) (= |__ieee754_sqrtf_#in~x| __ieee754_sqrtf_~x) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) __ieee754_sqrtf_~hx~0) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|)))) [2018-11-23 08:28:56,003 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 68) no Hoare annotation was computed. [2018-11-23 08:28:56,003 INFO L448 ceAbstractionStarter]: For program point L36-4(lines 36 37) no Hoare annotation was computed. [2018-11-23 08:28:56,003 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2018-11-23 08:28:56,003 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 14 79) the Hoare annotation is: true [2018-11-23 08:28:56,003 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 14 79) no Hoare annotation was computed. [2018-11-23 08:28:56,004 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-11-23 08:28:56,004 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 14 79) no Hoare annotation was computed. [2018-11-23 08:28:56,004 INFO L444 ceAbstractionStarter]: At program point L50-2(lines 50 59) the Hoare annotation is: (and (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (not (= (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|))) (= |__ieee754_sqrtf_#in~x| __ieee754_sqrtf_~x) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) __ieee754_sqrtf_~hx~0) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|)))) [2018-11-23 08:28:56,004 INFO L448 ceAbstractionStarter]: For program point L50-3(lines 14 79) no Hoare annotation was computed. [2018-11-23 08:28:56,004 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-11-23 08:28:56,004 INFO L448 ceAbstractionStarter]: For program point L42-2(lines 42 43) no Hoare annotation was computed. [2018-11-23 08:28:56,004 INFO L448 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2018-11-23 08:28:56,004 INFO L448 ceAbstractionStarter]: For program point L26(lines 26 27) no Hoare annotation was computed. [2018-11-23 08:28:56,005 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 39) no Hoare annotation was computed. [2018-11-23 08:28:56,014 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,015 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,015 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,015 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,016 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,016 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,016 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,016 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,017 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,017 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,017 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,017 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,018 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,018 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,018 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,018 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,019 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,019 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,019 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,019 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,019 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,020 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,020 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,020 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,020 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,020 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,020 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,020 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,021 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,021 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,021 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,021 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,022 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,022 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,022 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,022 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,022 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,023 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,023 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,023 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,024 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,024 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,024 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,024 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,024 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,025 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,025 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,025 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:28:56 BoogieIcfgContainer [2018-11-23 08:28:56,027 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 08:28:56,027 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:28:56,029 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:28:56,029 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:28:56,030 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:28:52" (3/4) ... [2018-11-23 08:28:56,033 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 08:28:56,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 08:28:56,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 08:28:56,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-11-23 08:28:56,039 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-11-23 08:28:56,043 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2018-11-23 08:28:56,043 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 08:28:56,043 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 08:28:56,060 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-23 08:28:56,061 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-23 08:28:56,061 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists __ieee754_sqrtf_~ix~0 : bv32 :: !(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) && \old(x) == x) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) [2018-11-23 08:28:56,061 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists __ieee754_sqrtf_~ix~0 : bv32 :: !(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) && \old(x) == x) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) [2018-11-23 08:28:56,061 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists __ieee754_sqrtf_~ix~0 : bv32 :: !(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) && \old(x) == x) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) [2018-11-23 08:28:56,082 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_27774073-c69f-4af7-82cb-d2c91166838f/bin-2019/utaipan/witness.graphml [2018-11-23 08:28:56,082 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:28:56,082 INFO L168 Benchmark]: Toolchain (without parser) took 4436.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 948.7 MB in the beginning and 872.9 MB in the end (delta: 75.8 MB). Peak memory consumption was 190.1 MB. Max. memory is 11.5 GB. [2018-11-23 08:28:56,083 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. [2018-11-23 08:28:56,084 INFO L168 Benchmark]: CACSL2BoogieTranslator took 217.88 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 08:28:56,084 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.05 ms. Allocated memory is still 1.0 GB. Free memory is still 932.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:28:56,084 INFO L168 Benchmark]: Boogie Preprocessor took 27.06 ms. Allocated memory is still 1.0 GB. Free memory is still 932.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:28:56,084 INFO L168 Benchmark]: RCFGBuilder took 702.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 932.5 MB in the beginning and 1.1 GB in the end (delta: -150.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-11-23 08:28:56,085 INFO L168 Benchmark]: TraceAbstraction took 3412.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 879.7 MB in the end (delta: 203.6 MB). Peak memory consumption was 203.6 MB. Max. memory is 11.5 GB. [2018-11-23 08:28:56,085 INFO L168 Benchmark]: Witness Printer took 54.80 ms. Allocated memory is still 1.1 GB. Free memory was 879.7 MB in the beginning and 872.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-23 08:28:56,087 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 217.88 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 932.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.05 ms. Allocated memory is still 1.0 GB. Free memory is still 932.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.06 ms. Allocated memory is still 1.0 GB. Free memory is still 932.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 702.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 932.5 MB in the beginning and 1.1 GB in the end (delta: -150.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3412.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 879.7 MB in the end (delta: 203.6 MB). Peak memory consumption was 203.6 MB. Max. memory is 11.5 GB. * Witness Printer took 54.80 ms. Allocated memory is still 1.1 GB. Free memory was 879.7 MB in the beginning and 872.9 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 106]: 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: 84]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 50]: Loop Invariant [2018-11-23 08:28:56,091 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,091 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,092 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,092 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,092 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,092 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,092 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,092 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,093 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,093 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,093 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,093 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,093 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,094 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,094 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,094 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] Derived loop invariant: ((\exists __ieee754_sqrtf_~ix~0 : bv32 :: !(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) && \old(x) == x) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) - InvariantResult [Line: 73]: Loop Invariant [2018-11-23 08:28:56,094 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,094 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,095 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,095 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,095 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,095 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,095 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,095 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,096 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,096 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,096 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,096 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,096 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,096 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,096 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,096 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] Derived loop invariant: ((\exists __ieee754_sqrtf_~ix~0 : bv32 :: !(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) && \old(x) == x) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 36]: Loop Invariant [2018-11-23 08:28:56,097 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,097 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,097 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,097 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,097 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,097 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,097 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,097 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,098 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,098 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,098 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,098 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,098 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,098 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,098 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-11-23 08:28:56,098 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] Derived loop invariant: ((\exists __ieee754_sqrtf_~ix~0 : bv32 :: !(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) && \old(x) == x) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 50 locations, 1 error locations. SAFE Result, 3.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 2.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 213 SDtfs, 257 SDslu, 612 SDs, 0 SdLazy, 234 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 19 PreInvPairs, 26 NumberOfFragments, 134 HoareAnnotationTreeSize, 19 FomulaSimplifications, 147 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 96 ConstructedInterpolants, 10 QuantifiedInterpolants, 8559 SizeOfPredicates, 17 NumberOfNonLiveVariables, 287 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...