./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0834_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_9b19cf73-03a3-41a8-b121-26f710411255/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9b19cf73-03a3-41a8-b121-26f710411255/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9b19cf73-03a3-41a8-b121-26f710411255/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9b19cf73-03a3-41a8-b121-26f710411255/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0834_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9b19cf73-03a3-41a8-b121-26f710411255/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9b19cf73-03a3-41a8-b121-26f710411255/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 34004772e6a1e54917776a817538fd6c8fd28f94 ............................................................................................................................................................................................................................................................................................................................................................ 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_9b19cf73-03a3-41a8-b121-26f710411255/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9b19cf73-03a3-41a8-b121-26f710411255/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9b19cf73-03a3-41a8-b121-26f710411255/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9b19cf73-03a3-41a8-b121-26f710411255/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0834_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9b19cf73-03a3-41a8-b121-26f710411255/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9b19cf73-03a3-41a8-b121-26f710411255/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 34004772e6a1e54917776a817538fd6c8fd28f94 .......................................................................................................................................................................................................................................................................................................................................................... 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 09:18:53,649 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:18:53,651 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:18:53,659 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:18:53,660 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:18:53,660 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:18:53,661 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:18:53,662 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:18:53,664 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:18:53,664 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:18:53,665 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:18:53,665 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:18:53,666 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:18:53,667 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:18:53,667 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:18:53,668 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:18:53,668 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:18:53,670 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:18:53,671 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:18:53,672 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:18:53,673 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:18:53,674 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:18:53,676 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:18:53,676 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:18:53,676 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:18:53,677 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:18:53,678 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:18:53,678 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:18:53,679 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:18:53,679 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:18:53,680 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:18:53,680 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:18:53,680 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:18:53,680 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:18:53,681 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:18:53,682 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:18:53,682 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9b19cf73-03a3-41a8-b121-26f710411255/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 09:18:53,692 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:18:53,692 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:18:53,693 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:18:53,693 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 09:18:53,693 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 09:18:53,693 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 09:18:53,693 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 09:18:53,694 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 09:18:53,694 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 09:18:53,694 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 09:18:53,694 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 09:18:53,694 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 09:18:53,694 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 09:18:53,695 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:18:53,695 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:18:53,695 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:18:53,695 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:18:53,695 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:18:53,696 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:18:53,696 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:18:53,696 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:18:53,696 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:18:53,696 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:18:53,696 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:18:53,696 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:18:53,697 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:18:53,697 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:18:53,697 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:18:53,697 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:18:53,697 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:18:53,697 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:18:53,698 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:18:53,698 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:18:53,698 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 09:18:53,698 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:18:53,698 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:18:53,698 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 09:18:53,698 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_9b19cf73-03a3-41a8-b121-26f710411255/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 -> 34004772e6a1e54917776a817538fd6c8fd28f94 [2018-11-18 09:18:53,719 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:18:53,729 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:18:53,731 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:18:53,732 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:18:53,733 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:18:53,733 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9b19cf73-03a3-41a8-b121-26f710411255/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0834_true-unreach-call.c [2018-11-18 09:18:53,772 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9b19cf73-03a3-41a8-b121-26f710411255/bin-2019/utaipan/data/b756273d6/9d8e270f16b14ecab73e043ec64813e2/FLAG94dfac752 [2018-11-18 09:18:54,123 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:18:54,124 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9b19cf73-03a3-41a8-b121-26f710411255/sv-benchmarks/c/float-newlib/double_req_bl_0834_true-unreach-call.c [2018-11-18 09:18:54,130 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9b19cf73-03a3-41a8-b121-26f710411255/bin-2019/utaipan/data/b756273d6/9d8e270f16b14ecab73e043ec64813e2/FLAG94dfac752 [2018-11-18 09:18:54,536 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9b19cf73-03a3-41a8-b121-26f710411255/bin-2019/utaipan/data/b756273d6/9d8e270f16b14ecab73e043ec64813e2 [2018-11-18 09:18:54,539 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:18:54,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:18:54,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:18:54,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:18:54,542 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:18:54,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:18:54" (1/1) ... [2018-11-18 09:18:54,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c7acd35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:54, skipping insertion in model container [2018-11-18 09:18:54,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:18:54" (1/1) ... [2018-11-18 09:18:54,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:18:54,570 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:18:54,713 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:18:54,718 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:18:54,749 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:18:54,766 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:18:54,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:54 WrapperNode [2018-11-18 09:18:54,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:18:54,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:18:54,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:18:54,767 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:18:54,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:54" (1/1) ... [2018-11-18 09:18:54,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:54" (1/1) ... [2018-11-18 09:18:54,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:18:54,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:18:54,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:18:54,825 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:18:54,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:54" (1/1) ... [2018-11-18 09:18:54,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:54" (1/1) ... [2018-11-18 09:18:54,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:54" (1/1) ... [2018-11-18 09:18:54,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:54" (1/1) ... [2018-11-18 09:18:54,845 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:54" (1/1) ... [2018-11-18 09:18:54,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:54" (1/1) ... [2018-11-18 09:18:54,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:54" (1/1) ... [2018-11-18 09:18:54,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:18:54,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:18:54,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:18:54,856 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:18:54,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9b19cf73-03a3-41a8-b121-26f710411255/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 09:18:54,892 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_exp [2018-11-18 09:18:54,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_exp [2018-11-18 09:18:54,892 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-11-18 09:18:54,893 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-11-18 09:18:54,893 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:18:54,893 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:18:54,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-18 09:18:54,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 09:18:54,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 09:18:54,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:18:54,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:18:54,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 09:18:54,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:18:54,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:18:54,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:18:54,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 09:18:54,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 09:18:55,176 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:18:55,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:18:55 BoogieIcfgContainer [2018-11-18 09:18:55,176 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:18:55,177 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:18:55,177 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:18:55,179 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:18:55,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:18:54" (1/3) ... [2018-11-18 09:18:55,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d9236f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:18:55, skipping insertion in model container [2018-11-18 09:18:55,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:54" (2/3) ... [2018-11-18 09:18:55,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d9236f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:18:55, skipping insertion in model container [2018-11-18 09:18:55,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:18:55" (3/3) ... [2018-11-18 09:18:55,181 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0834_true-unreach-call.c [2018-11-18 09:18:55,186 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:18:55,191 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 09:18:55,199 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 09:18:55,217 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:18:55,217 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:18:55,217 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:18:55,218 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:18:55,218 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:18:55,218 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:18:55,218 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:18:55,218 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:18:55,228 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2018-11-18 09:18:55,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 09:18:55,233 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:18:55,234 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:18:55,236 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:18:55,240 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:18:55,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1209425145, now seen corresponding path program 1 times [2018-11-18 09:18:55,242 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:18:55,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:18:55,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:18:55,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:18:55,279 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:18:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:18:55,368 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 09:18:55,370 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:18:55,370 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:18:55,371 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:18:55,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 09:18:55,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 09:18:55,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 09:18:55,386 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 2 states. [2018-11-18 09:18:55,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:18:55,401 INFO L93 Difference]: Finished difference Result 104 states and 157 transitions. [2018-11-18 09:18:55,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 09:18:55,402 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2018-11-18 09:18:55,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:18:55,408 INFO L225 Difference]: With dead ends: 104 [2018-11-18 09:18:55,408 INFO L226 Difference]: Without dead ends: 52 [2018-11-18 09:18:55,410 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 09:18:55,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-11-18 09:18:55,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-11-18 09:18:55,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-11-18 09:18:55,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 63 transitions. [2018-11-18 09:18:55,435 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 63 transitions. Word has length 25 [2018-11-18 09:18:55,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:18:55,435 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 63 transitions. [2018-11-18 09:18:55,435 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 09:18:55,435 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2018-11-18 09:18:55,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 09:18:55,436 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:18:55,436 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:18:55,437 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:18:55,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:18:55,437 INFO L82 PathProgramCache]: Analyzing trace with hash 70175908, now seen corresponding path program 1 times [2018-11-18 09:18:55,437 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:18:55,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:18:55,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:18:55,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:18:55,439 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:18:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:18:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:18:55,557 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 09:18:55,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:18:55 BoogieIcfgContainer [2018-11-18 09:18:55,604 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:18:55,604 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:18:55,604 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:18:55,604 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:18:55,605 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:18:55" (3/4) ... [2018-11-18 09:18:55,608 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 09:18:55,608 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:18:55,608 INFO L168 Benchmark]: Toolchain (without parser) took 1069.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 958.5 MB in the beginning and 1.1 GB in the end (delta: -94.9 MB). Peak memory consumption was 36.2 MB. Max. memory is 11.5 GB. [2018-11-18 09:18:55,609 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:18:55,610 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.24 ms. Allocated memory is still 1.0 GB. Free memory was 958.5 MB in the beginning and 942.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:18:55,610 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -183.9 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:18:55,611 INFO L168 Benchmark]: Boogie Preprocessor took 30.75 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 09:18:55,611 INFO L168 Benchmark]: RCFGBuilder took 320.77 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: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2018-11-18 09:18:55,611 INFO L168 Benchmark]: TraceAbstraction took 426.98 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: 42.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:18:55,612 INFO L168 Benchmark]: Witness Printer took 4.04 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 09:18:55,613 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 226.24 ms. Allocated memory is still 1.0 GB. Free memory was 958.5 MB in the beginning and 942.4 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 57.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -183.9 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.75 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 320.77 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: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 426.98 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: 42.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 158]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 141, overapproximation of someUnaryDOUBLEoperation at line 21, overapproximation of someBinaryArithmeticDOUBLEoperation at line 71, overapproximation of bitwiseAnd at line 140, overapproximation of someBinaryDOUBLEComparisonOperation at line 70. 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)=6442450976, \old(halF_exp)=6442450950, \old(huge_exp)=6442450966, \old(invln2_exp)=6442450946, \old(ln2HI_exp)=6442450945, \old(ln2HI_exp)=6442450970, \old(ln2LO_exp)=6442450956, \old(ln2LO_exp)=6442450974, \old(o_threshold_exp)=6442450953, \old(one_exp)=6442450964, \old(P1_exp)=6442450949, \old(P2_exp)=6442450951, \old(P3_exp)=6442450958, \old(P4_exp)=6442450962, \old(P5_exp)=6442450961, \old(twom1000_exp)=6442450952, \old(u_threshold_exp)=6442450971, halF_exp={6442450948:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L153] double x = 1.0 / 0.0; VAL [halF_exp={6442450948:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L154] CALL, EXPR __ieee754_exp(x) VAL [\old(x)=6442450954, halF_exp={6442450948:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, 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)=6442450954, halF_exp={6442450948:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, 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=6442450954] [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)=6442450954, halF_exp={6442450948:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2147483651, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, 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=6442450954] [L54] xsb = (hx >> 31) & 1 [L55] hx &= 0x7fffffff VAL [\old(x)=6442450954, halF_exp={6442450948:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, 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=6442450954, xsb=-1] [L57] COND TRUE hx >= 0x40862E42 VAL [\old(x)=6442450954, halF_exp={6442450948:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, 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=6442450954, xsb=-1] [L58] COND FALSE !(hx >= 0x7ff00000) VAL [\old(x)=6442450954, halF_exp={6442450948:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, 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=6442450954, xsb=-1] [L70] COND TRUE x > o_threshold_exp [L71] RET return huge_exp * huge_exp; VAL [\old(x)=6442450954, halF_exp={6442450948:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, 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=6442450954, xsb=-1] [L154] EXPR __ieee754_exp(x) VAL [__ieee754_exp(x)=6442450972, halF_exp={6442450948:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, 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=6442450954] [L154] double res = __ieee754_exp(x); [L157] CALL, EXPR isinf_double(x) VAL [\old(x)=6442450954, halF_exp={6442450948:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L133] __int32_t hx, lx; VAL [\old(x)=6442450954, halF_exp={6442450948:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, 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=6442450954] [L135] FCALL ieee_double_shape_type ew_u; [L136] FCALL ew_u.value = (x) [L137] EXPR, FCALL ew_u.parts.msw [L137] (hx) = ew_u.parts.msw [L138] EXPR, FCALL ew_u.parts.lsw [L138] (lx) = ew_u.parts.lsw [L139] COND FALSE !(0) VAL [\old(x)=6442450954, halF_exp={6442450948:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-2147483648, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, lx=3, 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=6442450954] [L140] hx &= 0x7fffffff [L141] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L142] hx = 0x7ff00000 - hx [L143] RET return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=6442450954, \result=0, halF_exp={6442450948:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435073, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, lx=3, 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=6442450954] [L157] EXPR isinf_double(x) VAL [halF_exp={6442450948:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, isinf_double(x)=0, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, res=6442450972, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450954] [L157] COND TRUE !isinf_double(x) [L158] __VERIFIER_error() VAL [halF_exp={6442450948:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, res=6442450972, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450954] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 56 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 67 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=56occurred 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, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 576 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 09:18:57,019 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:18:57,020 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:18:57,029 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:18:57,029 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:18:57,030 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:18:57,030 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:18:57,032 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:18:57,033 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:18:57,034 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:18:57,034 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:18:57,035 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:18:57,035 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:18:57,036 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:18:57,037 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:18:57,037 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:18:57,038 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:18:57,039 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:18:57,041 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:18:57,042 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:18:57,043 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:18:57,044 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:18:57,046 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:18:57,046 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:18:57,046 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:18:57,047 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:18:57,048 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:18:57,048 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:18:57,049 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:18:57,049 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:18:57,049 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:18:57,051 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:18:57,051 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:18:57,051 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:18:57,052 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:18:57,052 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:18:57,052 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9b19cf73-03a3-41a8-b121-26f710411255/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 09:18:57,063 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:18:57,063 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:18:57,064 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:18:57,064 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 09:18:57,064 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 09:18:57,064 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 09:18:57,065 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 09:18:57,065 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 09:18:57,065 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 09:18:57,065 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 09:18:57,065 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:18:57,066 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:18:57,066 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:18:57,066 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:18:57,066 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:18:57,066 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:18:57,066 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:18:57,066 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 09:18:57,067 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 09:18:57,067 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:18:57,067 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:18:57,067 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:18:57,067 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:18:57,067 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:18:57,067 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:18:57,068 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:18:57,068 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:18:57,068 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:18:57,068 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:18:57,068 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:18:57,068 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:18:57,068 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 09:18:57,069 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:18:57,069 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 09:18:57,069 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 09:18:57,069 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_9b19cf73-03a3-41a8-b121-26f710411255/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 -> 34004772e6a1e54917776a817538fd6c8fd28f94 [2018-11-18 09:18:57,101 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:18:57,109 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:18:57,111 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:18:57,112 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:18:57,112 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:18:57,112 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9b19cf73-03a3-41a8-b121-26f710411255/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0834_true-unreach-call.c [2018-11-18 09:18:57,148 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9b19cf73-03a3-41a8-b121-26f710411255/bin-2019/utaipan/data/826b93556/61558b1c33584064b34b8ce856f0e990/FLAG9aa44be91 [2018-11-18 09:18:57,461 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:18:57,462 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9b19cf73-03a3-41a8-b121-26f710411255/sv-benchmarks/c/float-newlib/double_req_bl_0834_true-unreach-call.c [2018-11-18 09:18:57,466 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9b19cf73-03a3-41a8-b121-26f710411255/bin-2019/utaipan/data/826b93556/61558b1c33584064b34b8ce856f0e990/FLAG9aa44be91 [2018-11-18 09:18:57,475 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9b19cf73-03a3-41a8-b121-26f710411255/bin-2019/utaipan/data/826b93556/61558b1c33584064b34b8ce856f0e990 [2018-11-18 09:18:57,477 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:18:57,478 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:18:57,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:18:57,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:18:57,481 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:18:57,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:18:57" (1/1) ... [2018-11-18 09:18:57,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ef3fe41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:57, skipping insertion in model container [2018-11-18 09:18:57,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:18:57" (1/1) ... [2018-11-18 09:18:57,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:18:57,507 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:18:57,647 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:18:57,654 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:18:57,690 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:18:57,710 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:18:57,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:57 WrapperNode [2018-11-18 09:18:57,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:18:57,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:18:57,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:18:57,711 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:18:57,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:57" (1/1) ... [2018-11-18 09:18:57,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:57" (1/1) ... [2018-11-18 09:18:57,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:18:57,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:18:57,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:18:57,773 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:18:57,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:57" (1/1) ... [2018-11-18 09:18:57,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:57" (1/1) ... [2018-11-18 09:18:57,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:57" (1/1) ... [2018-11-18 09:18:57,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:57" (1/1) ... [2018-11-18 09:18:57,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:57" (1/1) ... [2018-11-18 09:18:57,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:57" (1/1) ... [2018-11-18 09:18:57,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:57" (1/1) ... [2018-11-18 09:18:57,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:18:57,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:18:57,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:18:57,808 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:18:57,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9b19cf73-03a3-41a8-b121-26f710411255/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 09:18:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-18 09:18:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_exp [2018-11-18 09:18:57,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_exp [2018-11-18 09:18:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-11-18 09:18:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-11-18 09:18:57,841 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-11-18 09:18:57,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-18 09:18:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:18:57,842 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:18:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:18:57,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:18:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:18:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 09:18:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:18:57,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:18:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 09:18:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 09:18:57,977 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 09:18:57,992 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 09:18:58,245 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 09:19:08,166 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 09:19:08,188 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 09:19:08,209 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 09:19:08,244 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 09:19:08,259 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 09:19:08,282 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:19:08,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:19:08 BoogieIcfgContainer [2018-11-18 09:19:08,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:19:08,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:19:08,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:19:08,286 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:19:08,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:18:57" (1/3) ... [2018-11-18 09:19:08,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a5e59c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:19:08, skipping insertion in model container [2018-11-18 09:19:08,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:18:57" (2/3) ... [2018-11-18 09:19:08,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a5e59c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:19:08, skipping insertion in model container [2018-11-18 09:19:08,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:19:08" (3/3) ... [2018-11-18 09:19:08,289 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0834_true-unreach-call.c [2018-11-18 09:19:08,297 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:19:08,303 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 09:19:08,315 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 09:19:08,333 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:19:08,333 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:19:08,334 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:19:08,334 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:19:08,334 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:19:08,334 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:19:08,334 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:19:08,334 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:19:08,334 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:19:08,348 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2018-11-18 09:19:08,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 09:19:08,352 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:19:08,353 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:19:08,354 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:19:08,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:19:08,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1570685020, now seen corresponding path program 1 times [2018-11-18 09:19:08,360 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 09:19:08,360 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9b19cf73-03a3-41a8-b121-26f710411255/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 09:19:08,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:19:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:19:08,603 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:19:08,618 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 09:19:08,618 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:19:08,631 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:19:08,631 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:19:08,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 09:19:08,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 09:19:08,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 09:19:08,643 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 2 states. [2018-11-18 09:19:08,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:19:08,656 INFO L93 Difference]: Finished difference Result 55 states and 81 transitions. [2018-11-18 09:19:08,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 09:19:08,657 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-11-18 09:19:08,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:19:08,662 INFO L225 Difference]: With dead ends: 55 [2018-11-18 09:19:08,662 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 09:19:08,665 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 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 09:19:08,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 09:19:08,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 09:19:08,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 09:19:08,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 09:19:08,681 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2018-11-18 09:19:08,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:19:08,682 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 09:19:08,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 09:19:08,682 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 09:19:08,682 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:19:08,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 09:19:08,752 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 60 64) no Hoare annotation was computed. [2018-11-18 09:19:08,752 INFO L428 ceAbstractionStarter]: At program point L60-3(lines 60 64) the Hoare annotation is: true [2018-11-18 09:19:08,752 INFO L425 ceAbstractionStarter]: For program point L60-4(lines 58 69) no Hoare annotation was computed. [2018-11-18 09:19:08,752 INFO L425 ceAbstractionStarter]: For program point L77(lines 77 86) no Hoare annotation was computed. [2018-11-18 09:19:08,753 INFO L425 ceAbstractionStarter]: For program point L77-2(lines 77 86) no Hoare annotation was computed. [2018-11-18 09:19:08,753 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 102 106) no Hoare annotation was computed. [2018-11-18 09:19:08,753 INFO L428 ceAbstractionStarter]: At program point L102-3(lines 102 106) the Hoare annotation is: true [2018-11-18 09:19:08,753 INFO L425 ceAbstractionStarter]: For program point L70(lines 70 71) no Hoare annotation was computed. [2018-11-18 09:19:08,753 INFO L425 ceAbstractionStarter]: For program point L96(lines 96 99) no Hoare annotation was computed. [2018-11-18 09:19:08,753 INFO L425 ceAbstractionStarter]: For program point L121(lines 121 126) no Hoare annotation was computed. [2018-11-18 09:19:08,753 INFO L425 ceAbstractionStarter]: For program point L88(lines 88 91) no Hoare annotation was computed. [2018-11-18 09:19:08,753 INFO L425 ceAbstractionStarter]: For program point L121-2(lines 114 128) no Hoare annotation was computed. [2018-11-18 09:19:08,753 INFO L425 ceAbstractionStarter]: For program point L88-2(lines 76 91) no Hoare annotation was computed. [2018-11-18 09:19:08,754 INFO L425 ceAbstractionStarter]: For program point L121-3(lines 121 126) no Hoare annotation was computed. [2018-11-18 09:19:08,754 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 73) no Hoare annotation was computed. [2018-11-18 09:19:08,754 INFO L425 ceAbstractionStarter]: For program point L89(lines 89 90) no Hoare annotation was computed. [2018-11-18 09:19:08,754 INFO L425 ceAbstractionStarter]: For program point __ieee754_expFINAL(lines 44 129) no Hoare annotation was computed. [2018-11-18 09:19:08,754 INFO L428 ceAbstractionStarter]: At program point __ieee754_expENTRY(lines 44 129) the Hoare annotation is: true [2018-11-18 09:19:08,754 INFO L425 ceAbstractionStarter]: For program point L57(lines 57 74) no Hoare annotation was computed. [2018-11-18 09:19:08,754 INFO L425 ceAbstractionStarter]: For program point L57-2(lines 44 129) no Hoare annotation was computed. [2018-11-18 09:19:08,754 INFO L425 ceAbstractionStarter]: For program point L49-1(lines 49 53) no Hoare annotation was computed. [2018-11-18 09:19:08,754 INFO L428 ceAbstractionStarter]: At program point L49-3(lines 49 53) the Hoare annotation is: true [2018-11-18 09:19:08,754 INFO L425 ceAbstractionStarter]: For program point L49-4(lines 49 53) no Hoare annotation was computed. [2018-11-18 09:19:08,754 INFO L425 ceAbstractionStarter]: For program point L107(lines 107 112) no Hoare annotation was computed. [2018-11-18 09:19:08,755 INFO L425 ceAbstractionStarter]: For program point L107-2(lines 100 114) no Hoare annotation was computed. [2018-11-18 09:19:08,755 INFO L425 ceAbstractionStarter]: For program point L107-3(lines 107 112) no Hoare annotation was computed. [2018-11-18 09:19:08,755 INFO L425 ceAbstractionStarter]: For program point L58(lines 58 69) no Hoare annotation was computed. [2018-11-18 09:19:08,755 INFO L425 ceAbstractionStarter]: For program point L116-1(lines 116 120) no Hoare annotation was computed. [2018-11-18 09:19:08,755 INFO L428 ceAbstractionStarter]: At program point L116-3(lines 116 120) the Hoare annotation is: true [2018-11-18 09:19:08,755 INFO L425 ceAbstractionStarter]: For program point __ieee754_expEXIT(lines 44 129) no Hoare annotation was computed. [2018-11-18 09:19:08,755 INFO L425 ceAbstractionStarter]: For program point L100(lines 100 128) no Hoare annotation was computed. [2018-11-18 09:19:08,755 INFO L425 ceAbstractionStarter]: For program point L68(line 68) no Hoare annotation was computed. [2018-11-18 09:19:08,756 INFO L425 ceAbstractionStarter]: For program point L68-2(line 68) no Hoare annotation was computed. [2018-11-18 09:19:08,756 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:19:08,756 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 09:19:08,756 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:19:08,756 INFO L425 ceAbstractionStarter]: For program point isinf_doubleFINAL(lines 132 144) no Hoare annotation was computed. [2018-11-18 09:19:08,756 INFO L425 ceAbstractionStarter]: For program point isinf_doubleEXIT(lines 132 144) no Hoare annotation was computed. [2018-11-18 09:19:08,756 INFO L428 ceAbstractionStarter]: At program point isinf_doubleENTRY(lines 132 144) the Hoare annotation is: true [2018-11-18 09:19:08,756 INFO L425 ceAbstractionStarter]: For program point L134-1(lines 134 139) no Hoare annotation was computed. [2018-11-18 09:19:08,757 INFO L428 ceAbstractionStarter]: At program point L134-3(lines 134 139) the Hoare annotation is: true [2018-11-18 09:19:08,757 INFO L425 ceAbstractionStarter]: For program point L134-4(lines 134 139) no Hoare annotation was computed. [2018-11-18 09:19:08,757 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:19:08,757 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2018-11-18 09:19:08,757 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 09:19:08,757 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:19:08,757 INFO L425 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2018-11-18 09:19:08,758 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2018-11-18 09:19:08,758 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 146 163) the Hoare annotation is: true [2018-11-18 09:19:08,758 INFO L428 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: true [2018-11-18 09:19:08,758 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 146 163) no Hoare annotation was computed. [2018-11-18 09:19:08,758 INFO L425 ceAbstractionStarter]: For program point L157-1(lines 157 160) no Hoare annotation was computed. [2018-11-18 09:19:08,758 INFO L428 ceAbstractionStarter]: At program point L154(line 154) the Hoare annotation is: true [2018-11-18 09:19:08,758 INFO L425 ceAbstractionStarter]: For program point L154-1(line 154) no Hoare annotation was computed. [2018-11-18 09:19:08,758 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 146 163) no Hoare annotation was computed. [2018-11-18 09:19:08,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:19:08 BoogieIcfgContainer [2018-11-18 09:19:08,764 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:19:08,764 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:19:08,764 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:19:08,764 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:19:08,765 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:19:08" (3/4) ... [2018-11-18 09:19:08,767 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:19:08,772 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_exp [2018-11-18 09:19:08,772 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 09:19:08,772 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_double [2018-11-18 09:19:08,772 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 09:19:08,777 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-11-18 09:19:08,777 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2018-11-18 09:19:08,777 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-18 09:19:08,777 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 09:19:08,778 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 09:19:08,821 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9b19cf73-03a3-41a8-b121-26f710411255/bin-2019/utaipan/witness.graphml [2018-11-18 09:19:08,821 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:19:08,822 INFO L168 Benchmark]: Toolchain (without parser) took 11344.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 951.9 MB in the beginning and 1.0 GB in the end (delta: -95.0 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-11-18 09:19:08,823 INFO L168 Benchmark]: CDTParser took 0.12 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 09:19:08,824 INFO L168 Benchmark]: CACSL2BoogieTranslator took 232.27 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:19:08,824 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -193.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:19:08,824 INFO L168 Benchmark]: Boogie Preprocessor took 34.78 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 09:19:08,824 INFO L168 Benchmark]: RCFGBuilder took 10474.76 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: 42.2 MB). Peak memory consumption was 42.2 MB. Max. memory is 11.5 GB. [2018-11-18 09:19:08,825 INFO L168 Benchmark]: TraceAbstraction took 480.29 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: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:19:08,825 INFO L168 Benchmark]: Witness Printer took 57.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:19:08,827 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 232.27 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 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 61.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -193.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.78 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 10474.76 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: 42.2 MB). Peak memory consumption was 42.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 480.29 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: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * Witness Printer took 57.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 158]: 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: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 55 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, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred 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, 13 LocationsWithAnnotation, 13 PreInvPairs, 13 NumberOfFragments, 13 HoareAnnotationTreeSize, 13 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 529 SizeOfPredicates, 0 NumberOfNonLiveVariables, 92 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...