./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0832_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3f02cf93-d97d-4a16-9500-77368d6200a7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3f02cf93-d97d-4a16-9500-77368d6200a7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3f02cf93-d97d-4a16-9500-77368d6200a7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3f02cf93-d97d-4a16-9500-77368d6200a7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0832_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3f02cf93-d97d-4a16-9500-77368d6200a7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3f02cf93-d97d-4a16-9500-77368d6200a7/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 880ea7a6e3bf15e1c28bd78f5267ea1e88339658 ............................................................................................................................................................................................................................................................................................................................................... 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_3f02cf93-d97d-4a16-9500-77368d6200a7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3f02cf93-d97d-4a16-9500-77368d6200a7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3f02cf93-d97d-4a16-9500-77368d6200a7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3f02cf93-d97d-4a16-9500-77368d6200a7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0832_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3f02cf93-d97d-4a16-9500-77368d6200a7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3f02cf93-d97d-4a16-9500-77368d6200a7/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 880ea7a6e3bf15e1c28bd78f5267ea1e88339658 ............................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 10:45:16,513 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:45:16,514 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:45:16,522 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:45:16,522 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:45:16,523 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:45:16,524 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:45:16,525 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:45:16,526 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:45:16,527 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:45:16,527 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:45:16,528 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:45:16,528 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:45:16,529 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:45:16,530 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:45:16,530 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:45:16,531 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:45:16,532 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:45:16,533 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:45:16,534 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:45:16,535 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:45:16,536 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:45:16,537 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:45:16,538 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:45:16,538 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:45:16,538 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:45:16,539 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:45:16,540 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:45:16,540 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:45:16,541 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:45:16,541 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:45:16,542 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:45:16,542 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:45:16,542 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:45:16,542 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:45:16,543 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:45:16,543 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3f02cf93-d97d-4a16-9500-77368d6200a7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 10:45:16,553 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:45:16,553 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:45:16,554 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:45:16,554 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 10:45:16,554 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 10:45:16,554 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 10:45:16,554 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 10:45:16,555 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 10:45:16,555 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 10:45:16,555 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 10:45:16,555 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 10:45:16,555 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 10:45:16,555 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 10:45:16,556 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:45:16,556 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:45:16,556 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:45:16,556 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:45:16,557 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:45:16,557 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:45:16,557 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:45:16,557 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:45:16,557 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:45:16,557 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:45:16,557 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:45:16,558 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:45:16,558 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:45:16,558 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:45:16,558 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:45:16,558 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:45:16,558 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:45:16,558 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:45:16,559 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:45:16,559 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:45:16,559 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 10:45:16,559 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:45:16,559 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:45:16,559 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 10:45:16,559 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_3f02cf93-d97d-4a16-9500-77368d6200a7/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 -> 880ea7a6e3bf15e1c28bd78f5267ea1e88339658 [2018-11-18 10:45:16,581 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:45:16,591 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:45:16,594 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:45:16,595 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:45:16,595 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:45:16,596 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3f02cf93-d97d-4a16-9500-77368d6200a7/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0832_true-unreach-call.c [2018-11-18 10:45:16,636 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f02cf93-d97d-4a16-9500-77368d6200a7/bin-2019/utaipan/data/506f65019/e24bb74032c744b796aebbcc8192b213/FLAG6d0bc828a [2018-11-18 10:45:17,051 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:45:17,052 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3f02cf93-d97d-4a16-9500-77368d6200a7/sv-benchmarks/c/float-newlib/double_req_bl_0832_true-unreach-call.c [2018-11-18 10:45:17,058 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f02cf93-d97d-4a16-9500-77368d6200a7/bin-2019/utaipan/data/506f65019/e24bb74032c744b796aebbcc8192b213/FLAG6d0bc828a [2018-11-18 10:45:17,068 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3f02cf93-d97d-4a16-9500-77368d6200a7/bin-2019/utaipan/data/506f65019/e24bb74032c744b796aebbcc8192b213 [2018-11-18 10:45:17,070 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:45:17,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:45:17,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:45:17,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:45:17,074 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:45:17,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:45:17" (1/1) ... [2018-11-18 10:45:17,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b708a34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:17, skipping insertion in model container [2018-11-18 10:45:17,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:45:17" (1/1) ... [2018-11-18 10:45:17,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:45:17,099 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:45:17,234 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:45:17,238 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:45:17,267 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:45:17,282 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:45:17,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:17 WrapperNode [2018-11-18 10:45:17,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:45:17,283 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:45:17,283 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:45:17,284 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:45:17,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:17" (1/1) ... [2018-11-18 10:45:17,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:17" (1/1) ... [2018-11-18 10:45:17,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:45:17,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:45:17,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:45:17,341 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:45:17,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:17" (1/1) ... [2018-11-18 10:45:17,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:17" (1/1) ... [2018-11-18 10:45:17,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:17" (1/1) ... [2018-11-18 10:45:17,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:17" (1/1) ... [2018-11-18 10:45:17,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:17" (1/1) ... [2018-11-18 10:45:17,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:17" (1/1) ... [2018-11-18 10:45:17,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:17" (1/1) ... [2018-11-18 10:45:17,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:45:17,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:45:17,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:45:17,369 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:45:17,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f02cf93-d97d-4a16-9500-77368d6200a7/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:45:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_exp [2018-11-18 10:45:17,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_exp [2018-11-18 10:45:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:45:17,412 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:45:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-18 10:45:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 10:45:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 10:45:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:45:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:45:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 10:45:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:45:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:45:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:45:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 10:45:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 10:45:17,701 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:45:17,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:45:17 BoogieIcfgContainer [2018-11-18 10:45:17,702 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:45:17,702 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:45:17,703 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:45:17,705 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:45:17,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:45:17" (1/3) ... [2018-11-18 10:45:17,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@129e3365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:45:17, skipping insertion in model container [2018-11-18 10:45:17,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:17" (2/3) ... [2018-11-18 10:45:17,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@129e3365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:45:17, skipping insertion in model container [2018-11-18 10:45:17,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:45:17" (3/3) ... [2018-11-18 10:45:17,708 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0832_true-unreach-call.c [2018-11-18 10:45:17,714 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:45:17,720 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 10:45:17,730 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 10:45:17,753 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:45:17,753 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:45:17,753 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:45:17,753 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:45:17,754 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:45:17,754 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:45:17,754 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:45:17,754 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:45:17,767 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2018-11-18 10:45:17,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 10:45:17,772 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:45:17,772 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:45:17,774 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:45:17,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:45:17,778 INFO L82 PathProgramCache]: Analyzing trace with hash 213446378, now seen corresponding path program 1 times [2018-11-18 10:45:17,780 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:45:17,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:45:17,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:45:17,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:45:17,815 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:45:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:45:17,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:45:17,923 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:45:17,923 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 10:45:17,923 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:45:17,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 10:45:17,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 10:45:17,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:45:17,939 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 2 states. [2018-11-18 10:45:17,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:45:17,955 INFO L93 Difference]: Finished difference Result 91 states and 140 transitions. [2018-11-18 10:45:17,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 10:45:17,956 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-11-18 10:45:17,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:45:17,965 INFO L225 Difference]: With dead ends: 91 [2018-11-18 10:45:17,965 INFO L226 Difference]: Without dead ends: 45 [2018-11-18 10:45:17,967 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:45:17,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-11-18 10:45:17,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-11-18 10:45:17,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-11-18 10:45:17,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 56 transitions. [2018-11-18 10:45:17,992 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 56 transitions. Word has length 19 [2018-11-18 10:45:17,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:45:17,992 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 56 transitions. [2018-11-18 10:45:17,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 10:45:17,993 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2018-11-18 10:45:17,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 10:45:17,993 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:45:17,993 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:45:17,994 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:45:17,994 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:45:17,994 INFO L82 PathProgramCache]: Analyzing trace with hash -756740430, now seen corresponding path program 1 times [2018-11-18 10:45:17,994 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:45:17,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:45:17,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:45:17,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:45:17,995 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:45:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:45:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:45:18,079 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 10:45:18,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:45:18 BoogieIcfgContainer [2018-11-18 10:45:18,116 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 10:45:18,117 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:45:18,117 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:45:18,117 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:45:18,117 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:45:17" (3/4) ... [2018-11-18 10:45:18,120 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 10:45:18,120 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:45:18,121 INFO L168 Benchmark]: Toolchain (without parser) took 1050.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -120.9 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:45:18,122 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:45:18,122 INFO L168 Benchmark]: CACSL2BoogieTranslator took 211.54 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 936.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:45:18,122 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -206.9 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:45:18,123 INFO L168 Benchmark]: Boogie Preprocessor took 27.64 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. [2018-11-18 10:45:18,123 INFO L168 Benchmark]: RCFGBuilder took 333.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:45:18,123 INFO L168 Benchmark]: TraceAbstraction took 413.81 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: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:45:18,124 INFO L168 Benchmark]: Witness Printer took 3.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:45:18,126 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 211.54 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 936.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -206.9 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 333.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 413.81 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: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 145]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 21, overapproximation of bitwiseAnd at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 144. Possible FailurePath: [L17-L42] static const double one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+300, twom1000_exp = 9.33263618503218878990e-302, o_threshold_exp = 7.09782712893383973096e+02, u_threshold_exp = -7.45133219101941108420e+02, ln2HI_exp[2] = { 6.93147180369123816490e-01, -6.93147180369123816490e-01, }, ln2LO_exp[2] = { 1.90821492927058770002e-10, -1.90821492927058770002e-10, }, invln2_exp = 1.44269504088896338700e+00, P1_exp = 1.66666666666666019037e-01, P2_exp = -2.77777777770155933842e-03, P3_exp = 6.61375632143793436117e-05, P4_exp = -1.65339022054652515390e-06, P5_exp = 4.13813679705723846039e-08; VAL [\old(halF_exp)=46, \old(halF_exp)=22, \old(huge_exp)=37, \old(invln2_exp)=18, \old(ln2HI_exp)=41, \old(ln2HI_exp)=17, \old(ln2LO_exp)=26, \old(ln2LO_exp)=44, \old(o_threshold_exp)=25, \old(one_exp)=34, \old(P1_exp)=21, \old(P2_exp)=23, \old(P3_exp)=28, \old(P4_exp)=33, \old(P5_exp)=31, \old(twom1000_exp)=24, \old(u_threshold_exp)=42, halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={40:0}, ln2LO_exp={27:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L137] double x = __VERIFIER_nondet_double(); [L139] COND TRUE x == 0.0 || x == -0.0 VAL [halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={40:0}, ln2LO_exp={27:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=38] [L141] CALL, EXPR __ieee754_exp(x) VAL [\old(x)=38, halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={40:0}, ln2LO_exp={27:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L45] double y, hi, lo, c, t; [L46] __int32_t k = 0, xsb; [L47] __uint32_t hx; VAL [\old(x)=38, halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={40:0}, ln2LO_exp={27:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=38] [L50] FCALL ieee_double_shape_type gh_u; [L51] FCALL gh_u.value = (x) [L52] EXPR, FCALL gh_u.parts.msw [L52] (hx) = gh_u.parts.msw [L53] COND FALSE !(0) VAL [\old(x)=38, halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=32, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={40:0}, ln2LO_exp={27:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=38] [L54] xsb = (hx >> 31) & 1 [L55] hx &= 0x7fffffff VAL [\old(x)=38, halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={40:0}, ln2LO_exp={27:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=38, xsb=-1] [L57] COND TRUE hx >= 0x40862E42 VAL [\old(x)=38, halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={40:0}, ln2LO_exp={27:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=38, xsb=-1] [L58] COND FALSE !(hx >= 0x7ff00000) VAL [\old(x)=38, halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={40:0}, ln2LO_exp={27:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=38, xsb=-1] [L70] COND TRUE x > o_threshold_exp [L71] RET return huge_exp * huge_exp; VAL [\old(x)=38, halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={40:0}, ln2LO_exp={27:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=38, xsb=-1] [L141] EXPR __ieee754_exp(x) VAL [__ieee754_exp(x)=19, halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={40:0}, ln2LO_exp={27:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=38] [L141] double res = __ieee754_exp(x); [L144] COND TRUE res != 1.0 VAL [halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={40:0}, ln2LO_exp={27:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, res=19, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=38] [L145] __VERIFIER_error() VAL [halF_exp={20:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={40:0}, ln2LO_exp={27:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, res=19, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=38] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 50 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 62 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, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 10:45:19,562 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:45:19,564 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:45:19,573 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:45:19,573 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:45:19,574 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:45:19,575 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:45:19,576 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:45:19,578 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:45:19,578 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:45:19,579 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:45:19,579 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:45:19,580 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:45:19,580 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:45:19,581 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:45:19,582 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:45:19,583 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:45:19,584 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:45:19,586 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:45:19,587 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:45:19,588 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:45:19,589 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:45:19,590 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:45:19,591 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:45:19,591 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:45:19,592 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:45:19,592 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:45:19,593 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:45:19,593 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:45:19,595 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:45:19,595 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:45:19,596 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:45:19,596 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:45:19,596 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:45:19,597 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:45:19,598 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:45:19,598 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3f02cf93-d97d-4a16-9500-77368d6200a7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 10:45:19,609 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:45:19,609 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:45:19,610 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:45:19,610 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 10:45:19,610 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 10:45:19,610 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 10:45:19,610 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 10:45:19,611 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 10:45:19,611 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 10:45:19,611 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 10:45:19,611 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:45:19,612 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:45:19,612 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:45:19,612 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:45:19,612 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:45:19,612 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:45:19,612 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:45:19,612 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 10:45:19,612 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 10:45:19,613 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:45:19,613 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:45:19,613 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:45:19,613 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:45:19,613 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:45:19,613 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:45:19,613 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:45:19,615 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:45:19,615 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:45:19,616 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:45:19,616 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:45:19,616 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:45:19,616 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 10:45:19,616 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:45:19,616 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 10:45:19,616 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 10:45:19,616 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_3f02cf93-d97d-4a16-9500-77368d6200a7/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 -> 880ea7a6e3bf15e1c28bd78f5267ea1e88339658 [2018-11-18 10:45:19,648 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:45:19,658 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:45:19,661 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:45:19,662 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:45:19,663 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:45:19,663 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3f02cf93-d97d-4a16-9500-77368d6200a7/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0832_true-unreach-call.c [2018-11-18 10:45:19,701 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f02cf93-d97d-4a16-9500-77368d6200a7/bin-2019/utaipan/data/11034f787/71412901901744e1a6ecff09b3d99c90/FLAGa350945b5 [2018-11-18 10:45:20,110 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:45:20,111 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3f02cf93-d97d-4a16-9500-77368d6200a7/sv-benchmarks/c/float-newlib/double_req_bl_0832_true-unreach-call.c [2018-11-18 10:45:20,115 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f02cf93-d97d-4a16-9500-77368d6200a7/bin-2019/utaipan/data/11034f787/71412901901744e1a6ecff09b3d99c90/FLAGa350945b5 [2018-11-18 10:45:20,124 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3f02cf93-d97d-4a16-9500-77368d6200a7/bin-2019/utaipan/data/11034f787/71412901901744e1a6ecff09b3d99c90 [2018-11-18 10:45:20,126 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:45:20,127 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:45:20,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:45:20,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:45:20,131 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:45:20,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:45:20" (1/1) ... [2018-11-18 10:45:20,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bcafc49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:20, skipping insertion in model container [2018-11-18 10:45:20,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:45:20" (1/1) ... [2018-11-18 10:45:20,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:45:20,156 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:45:20,302 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:45:20,309 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:45:20,342 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:45:20,363 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:45:20,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:20 WrapperNode [2018-11-18 10:45:20,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:45:20,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:45:20,364 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:45:20,364 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:45:20,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:20" (1/1) ... [2018-11-18 10:45:20,378 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:20" (1/1) ... [2018-11-18 10:45:20,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:45:20,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:45:20,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:45:20,426 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:45:20,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:20" (1/1) ... [2018-11-18 10:45:20,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:20" (1/1) ... [2018-11-18 10:45:20,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:20" (1/1) ... [2018-11-18 10:45:20,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:20" (1/1) ... [2018-11-18 10:45:20,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:20" (1/1) ... [2018-11-18 10:45:20,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:20" (1/1) ... [2018-11-18 10:45:20,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:20" (1/1) ... [2018-11-18 10:45:20,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:45:20,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:45:20,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:45:20,464 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:45:20,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f02cf93-d97d-4a16-9500-77368d6200a7/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:45:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-18 10:45:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_exp [2018-11-18 10:45:20,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_exp [2018-11-18 10:45:20,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-11-18 10:45:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-18 10:45:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:45:20,505 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:45:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:45:20,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:45:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:45:20,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 10:45:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:45:20,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:45:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 10:45:20,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 10:45:20,647 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:45:20,660 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:45:20,947 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:45:31,061 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:45:31,086 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:45:31,106 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:45:31,149 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:45:31,179 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:45:31,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:45:31 BoogieIcfgContainer [2018-11-18 10:45:31,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:45:31,180 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:45:31,180 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:45:31,182 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:45:31,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:45:20" (1/3) ... [2018-11-18 10:45:31,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5973b58c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:45:31, skipping insertion in model container [2018-11-18 10:45:31,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:45:20" (2/3) ... [2018-11-18 10:45:31,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5973b58c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:45:31, skipping insertion in model container [2018-11-18 10:45:31,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:45:31" (3/3) ... [2018-11-18 10:45:31,184 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0832_true-unreach-call.c [2018-11-18 10:45:31,189 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:45:31,194 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 10:45:31,203 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 10:45:31,223 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:45:31,224 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:45:31,224 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:45:31,224 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:45:31,224 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:45:31,224 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:45:31,224 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:45:31,225 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:45:31,225 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:45:31,235 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2018-11-18 10:45:31,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 10:45:31,239 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:45:31,240 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:45:31,242 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:45:31,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:45:31,246 INFO L82 PathProgramCache]: Analyzing trace with hash 213446378, now seen corresponding path program 1 times [2018-11-18 10:45:31,248 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 10:45:31,249 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f02cf93-d97d-4a16-9500-77368d6200a7/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-18 10:45:31,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:45:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:45:31,555 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:45:31,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:45:31,567 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 10:45:31,578 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:45:31,578 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 10:45:31,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 10:45:31,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 10:45:31,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:45:31,590 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 2 states. [2018-11-18 10:45:31,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:45:31,602 INFO L93 Difference]: Finished difference Result 50 states and 75 transitions. [2018-11-18 10:45:31,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 10:45:31,603 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-11-18 10:45:31,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:45:31,607 INFO L225 Difference]: With dead ends: 50 [2018-11-18 10:45:31,607 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 10:45:31,610 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:45:31,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 10:45:31,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 10:45:31,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 10:45:31,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 10:45:31,631 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2018-11-18 10:45:31,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:45:31,632 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 10:45:31,632 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 10:45:31,632 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 10:45:31,632 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:45:31,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 10:45:31,674 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 60 64) no Hoare annotation was computed. [2018-11-18 10:45:31,674 INFO L428 ceAbstractionStarter]: At program point L60-3(lines 60 64) the Hoare annotation is: true [2018-11-18 10:45:31,674 INFO L425 ceAbstractionStarter]: For program point L60-4(lines 58 69) no Hoare annotation was computed. [2018-11-18 10:45:31,675 INFO L425 ceAbstractionStarter]: For program point L77(lines 77 86) no Hoare annotation was computed. [2018-11-18 10:45:31,675 INFO L425 ceAbstractionStarter]: For program point L77-2(lines 77 86) no Hoare annotation was computed. [2018-11-18 10:45:31,675 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 102 106) no Hoare annotation was computed. [2018-11-18 10:45:31,675 INFO L428 ceAbstractionStarter]: At program point L102-3(lines 102 106) the Hoare annotation is: true [2018-11-18 10:45:31,675 INFO L425 ceAbstractionStarter]: For program point L70(lines 70 71) no Hoare annotation was computed. [2018-11-18 10:45:31,675 INFO L425 ceAbstractionStarter]: For program point L96(lines 96 99) no Hoare annotation was computed. [2018-11-18 10:45:31,675 INFO L425 ceAbstractionStarter]: For program point L121(lines 121 126) no Hoare annotation was computed. [2018-11-18 10:45:31,675 INFO L425 ceAbstractionStarter]: For program point L88(lines 88 91) no Hoare annotation was computed. [2018-11-18 10:45:31,675 INFO L425 ceAbstractionStarter]: For program point L121-2(lines 114 128) no Hoare annotation was computed. [2018-11-18 10:45:31,675 INFO L425 ceAbstractionStarter]: For program point L88-2(lines 76 91) no Hoare annotation was computed. [2018-11-18 10:45:31,675 INFO L425 ceAbstractionStarter]: For program point L121-3(lines 121 126) no Hoare annotation was computed. [2018-11-18 10:45:31,675 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 73) no Hoare annotation was computed. [2018-11-18 10:45:31,675 INFO L425 ceAbstractionStarter]: For program point L89(lines 89 90) no Hoare annotation was computed. [2018-11-18 10:45:31,676 INFO L425 ceAbstractionStarter]: For program point __ieee754_expFINAL(lines 44 129) no Hoare annotation was computed. [2018-11-18 10:45:31,676 INFO L428 ceAbstractionStarter]: At program point __ieee754_expENTRY(lines 44 129) the Hoare annotation is: true [2018-11-18 10:45:31,676 INFO L425 ceAbstractionStarter]: For program point L57(lines 57 74) no Hoare annotation was computed. [2018-11-18 10:45:31,676 INFO L425 ceAbstractionStarter]: For program point L57-2(lines 44 129) no Hoare annotation was computed. [2018-11-18 10:45:31,676 INFO L425 ceAbstractionStarter]: For program point L49-1(lines 49 53) no Hoare annotation was computed. [2018-11-18 10:45:31,676 INFO L428 ceAbstractionStarter]: At program point L49-3(lines 49 53) the Hoare annotation is: true [2018-11-18 10:45:31,676 INFO L425 ceAbstractionStarter]: For program point L49-4(lines 49 53) no Hoare annotation was computed. [2018-11-18 10:45:31,676 INFO L425 ceAbstractionStarter]: For program point L107(lines 107 112) no Hoare annotation was computed. [2018-11-18 10:45:31,676 INFO L425 ceAbstractionStarter]: For program point L107-2(lines 100 114) no Hoare annotation was computed. [2018-11-18 10:45:31,676 INFO L425 ceAbstractionStarter]: For program point L107-3(lines 107 112) no Hoare annotation was computed. [2018-11-18 10:45:31,676 INFO L425 ceAbstractionStarter]: For program point L58(lines 58 69) no Hoare annotation was computed. [2018-11-18 10:45:31,676 INFO L425 ceAbstractionStarter]: For program point L116-1(lines 116 120) no Hoare annotation was computed. [2018-11-18 10:45:31,676 INFO L428 ceAbstractionStarter]: At program point L116-3(lines 116 120) the Hoare annotation is: true [2018-11-18 10:45:31,676 INFO L425 ceAbstractionStarter]: For program point __ieee754_expEXIT(lines 44 129) no Hoare annotation was computed. [2018-11-18 10:45:31,677 INFO L425 ceAbstractionStarter]: For program point L100(lines 100 128) no Hoare annotation was computed. [2018-11-18 10:45:31,677 INFO L425 ceAbstractionStarter]: For program point L68(line 68) no Hoare annotation was computed. [2018-11-18 10:45:31,677 INFO L425 ceAbstractionStarter]: For program point L68-2(line 68) no Hoare annotation was computed. [2018-11-18 10:45:31,677 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:45:31,677 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:45:31,677 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:45:31,677 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:45:31,677 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2018-11-18 10:45:31,677 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:45:31,677 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:45:31,677 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2018-11-18 10:45:31,677 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 131 151) the Hoare annotation is: true [2018-11-18 10:45:31,677 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 131 151) no Hoare annotation was computed. [2018-11-18 10:45:31,678 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 10:45:31,678 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 147) no Hoare annotation was computed. [2018-11-18 10:45:31,678 INFO L428 ceAbstractionStarter]: At program point L141(line 141) the Hoare annotation is: true [2018-11-18 10:45:31,678 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 131 151) no Hoare annotation was computed. [2018-11-18 10:45:31,678 INFO L425 ceAbstractionStarter]: For program point L141-1(line 141) no Hoare annotation was computed. [2018-11-18 10:45:31,678 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 148) no Hoare annotation was computed. [2018-11-18 10:45:31,678 INFO L425 ceAbstractionStarter]: For program point L139-2(lines 139 148) no Hoare annotation was computed. [2018-11-18 10:45:31,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:45:31 BoogieIcfgContainer [2018-11-18 10:45:31,683 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 10:45:31,684 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:45:31,684 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:45:31,684 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:45:31,684 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:45:31" (3/4) ... [2018-11-18 10:45:31,686 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:45:31,690 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_exp [2018-11-18 10:45:31,690 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 10:45:31,691 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 10:45:31,694 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-11-18 10:45:31,694 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-18 10:45:31,694 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-18 10:45:31,694 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 10:45:31,695 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 10:45:31,734 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3f02cf93-d97d-4a16-9500-77368d6200a7/bin-2019/utaipan/witness.graphml [2018-11-18 10:45:31,734 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:45:31,735 INFO L168 Benchmark]: Toolchain (without parser) took 11607.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 949.7 MB in the beginning and 1.0 GB in the end (delta: -64.5 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:45:31,736 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:45:31,737 INFO L168 Benchmark]: CACSL2BoogieTranslator took 235.35 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:45:31,737 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -175.8 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:45:31,737 INFO L168 Benchmark]: Boogie Preprocessor took 37.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-18 10:45:31,738 INFO L168 Benchmark]: RCFGBuilder took 10716.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:45:31,738 INFO L168 Benchmark]: TraceAbstraction took 503.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:45:31,738 INFO L168 Benchmark]: Witness Printer took 50.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-18 10:45:31,740 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 235.35 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -175.8 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 10716.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.7 MB). Peak memory consumption was 47.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 503.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. * Witness Printer took 50.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB 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.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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: 102]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 50 locations, 1 error locations. SAFE Result, 0.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 18 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: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 10 NumberOfFragments, 10 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 SizeOfPredicates, 0 NumberOfNonLiveVariables, 80 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...