./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-benchs/nan_double_range_true-unreach-call_true-termination.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_926acb14-80f5-470d-9866-e0c30b8ada64/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_926acb14-80f5-470d-9866-e0c30b8ada64/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_926acb14-80f5-470d-9866-e0c30b8ada64/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_926acb14-80f5-470d-9866-e0c30b8ada64/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_double_range_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_926acb14-80f5-470d-9866-e0c30b8ada64/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_926acb14-80f5-470d-9866-e0c30b8ada64/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 dfb5ded2642d3c9d46596c0cba0f14bb34f1a46e ................................................................................................................................................................................................................................................. 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_926acb14-80f5-470d-9866-e0c30b8ada64/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_926acb14-80f5-470d-9866-e0c30b8ada64/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_926acb14-80f5-470d-9866-e0c30b8ada64/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_926acb14-80f5-470d-9866-e0c30b8ada64/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/nan_double_range_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_926acb14-80f5-470d-9866-e0c30b8ada64/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_926acb14-80f5-470d-9866-e0c30b8ada64/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 dfb5ded2642d3c9d46596c0cba0f14bb34f1a46e ...................................................................................................................................................................................................................................................................................... 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 17:07:20,688 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:07:20,689 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:07:20,704 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:07:20,704 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:07:20,705 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:07:20,706 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:07:20,707 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:07:20,709 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:07:20,709 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:07:20,710 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:07:20,710 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:07:20,711 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:07:20,712 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:07:20,713 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:07:20,714 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:07:20,715 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:07:20,716 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:07:20,718 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:07:20,719 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:07:20,720 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:07:20,721 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:07:20,723 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:07:20,723 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:07:20,723 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:07:20,724 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:07:20,725 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:07:20,725 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:07:20,726 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:07:20,727 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:07:20,727 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:07:20,727 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:07:20,728 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:07:20,728 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:07:20,730 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:07:20,730 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:07:20,731 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_926acb14-80f5-470d-9866-e0c30b8ada64/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 17:07:20,747 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:07:20,748 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:07:20,748 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:07:20,749 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:07:20,749 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:07:20,749 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:07:20,749 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:07:20,749 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:07:20,749 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:07:20,749 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:07:20,750 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:07:20,750 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:07:20,750 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:07:20,750 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:07:20,752 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:07:20,752 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:07:20,752 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:07:20,753 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:07:20,753 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:07:20,753 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:07:20,753 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:07:20,753 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:07:20,753 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:07:20,753 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:07:20,753 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:07:20,754 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:07:20,754 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:07:20,754 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:07:20,754 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:07:20,754 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:07:20,754 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:07:20,754 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:07:20,755 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:07:20,755 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:07:20,757 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:07:20,757 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:07:20,757 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:07:20,757 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_926acb14-80f5-470d-9866-e0c30b8ada64/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 -> dfb5ded2642d3c9d46596c0cba0f14bb34f1a46e [2018-11-18 17:07:20,783 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:07:20,794 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:07:20,798 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:07:20,800 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:07:20,801 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:07:20,801 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_926acb14-80f5-470d-9866-e0c30b8ada64/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/nan_double_range_true-unreach-call_true-termination.c [2018-11-18 17:07:20,849 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_926acb14-80f5-470d-9866-e0c30b8ada64/bin-2019/utaipan/data/974e0e399/42c028f035f6479fa42b054c0e53d684/FLAG798b00acd [2018-11-18 17:07:21,231 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:07:21,232 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_926acb14-80f5-470d-9866-e0c30b8ada64/sv-benchmarks/c/float-benchs/nan_double_range_true-unreach-call_true-termination.c [2018-11-18 17:07:21,239 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_926acb14-80f5-470d-9866-e0c30b8ada64/bin-2019/utaipan/data/974e0e399/42c028f035f6479fa42b054c0e53d684/FLAG798b00acd [2018-11-18 17:07:21,249 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_926acb14-80f5-470d-9866-e0c30b8ada64/bin-2019/utaipan/data/974e0e399/42c028f035f6479fa42b054c0e53d684 [2018-11-18 17:07:21,251 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:07:21,253 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:07:21,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:07:21,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:07:21,256 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:07:21,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:07:21" (1/1) ... [2018-11-18 17:07:21,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4959e04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:07:21, skipping insertion in model container [2018-11-18 17:07:21,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:07:21" (1/1) ... [2018-11-18 17:07:21,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:07:21,282 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:07:21,420 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:07:21,422 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:07:21,431 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:07:21,440 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:07:21,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:07:21 WrapperNode [2018-11-18 17:07:21,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:07:21,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:07:21,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:07:21,441 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:07:21,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:07:21" (1/1) ... [2018-11-18 17:07:21,450 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:07:21" (1/1) ... [2018-11-18 17:07:21,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:07:21,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:07:21,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:07:21,454 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:07:21,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:07:21" (1/1) ... [2018-11-18 17:07:21,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:07:21" (1/1) ... [2018-11-18 17:07:21,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:07:21" (1/1) ... [2018-11-18 17:07:21,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:07:21" (1/1) ... [2018-11-18 17:07:21,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:07:21" (1/1) ... [2018-11-18 17:07:21,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:07:21" (1/1) ... [2018-11-18 17:07:21,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:07:21" (1/1) ... [2018-11-18 17:07:21,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:07:21,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:07:21,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:07:21,468 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:07:21,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:07:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_926acb14-80f5-470d-9866-e0c30b8ada64/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 17:07:21,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:07:21,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:07:21,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:07:21,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:07:21,561 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:07:21,561 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:07:21,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 17:07:21,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 17:07:21,680 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:07:21,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:07:21 BoogieIcfgContainer [2018-11-18 17:07:21,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:07:21,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:07:21,682 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:07:21,684 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:07:21,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:07:21" (1/3) ... [2018-11-18 17:07:21,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eff4dff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:07:21, skipping insertion in model container [2018-11-18 17:07:21,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:07:21" (2/3) ... [2018-11-18 17:07:21,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eff4dff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:07:21, skipping insertion in model container [2018-11-18 17:07:21,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:07:21" (3/3) ... [2018-11-18 17:07:21,686 INFO L112 eAbstractionObserver]: Analyzing ICFG nan_double_range_true-unreach-call_true-termination.c [2018-11-18 17:07:21,692 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:07:21,697 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:07:21,707 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:07:21,726 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:07:21,726 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:07:21,726 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:07:21,727 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:07:21,727 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:07:21,727 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:07:21,727 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:07:21,727 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:07:21,739 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-18 17:07:21,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 17:07:21,744 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:07:21,745 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:07:21,747 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:07:21,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:07:21,751 INFO L82 PathProgramCache]: Analyzing trace with hash -1736771137, now seen corresponding path program 1 times [2018-11-18 17:07:21,753 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:07:21,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:07:21,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:07:21,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:07:21,785 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:07:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:07:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:07:21,822 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 17:07:21,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:07:21 BoogieIcfgContainer [2018-11-18 17:07:21,839 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:07:21,840 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:07:21,840 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:07:21,840 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:07:21,840 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:07:21" (3/4) ... [2018-11-18 17:07:21,844 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 17:07:21,844 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:07:21,844 INFO L168 Benchmark]: Toolchain (without parser) took 592.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 960.7 MB in the beginning and 1.1 GB in the end (delta: -161.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:07:21,846 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:07:21,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 187.03 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 950.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:07:21,847 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.41 ms. Allocated memory is still 1.0 GB. Free memory is still 950.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:07:21,848 INFO L168 Benchmark]: Boogie Preprocessor took 12.90 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 947.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:07:21,848 INFO L168 Benchmark]: RCFGBuilder took 213.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -189.6 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:07:21,849 INFO L168 Benchmark]: TraceAbstraction took 158.04 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: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-18 17:07:21,849 INFO L168 Benchmark]: Witness Printer took 4.15 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 17:07:21,852 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 187.03 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 950.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 13.41 ms. Allocated memory is still 1.0 GB. Free memory is still 950.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.90 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 947.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 213.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -189.6 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 158.04 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: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.15 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: 6]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 13. Possible FailurePath: [L10] double x; [L11] x = __VERIFIER_nondet_double() [L13] COND TRUE x >= -1e307 && x <= 1e307 VAL [x=2] [L14] CALL __VERIFIER_assert(x==x) VAL [\old(cond)=0] [L6] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L6] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 17:07:23,580 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:07:23,582 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:07:23,590 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:07:23,591 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:07:23,591 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:07:23,592 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:07:23,594 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:07:23,595 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:07:23,596 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:07:23,596 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:07:23,597 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:07:23,597 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:07:23,598 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:07:23,599 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:07:23,599 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:07:23,600 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:07:23,606 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:07:23,607 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:07:23,608 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:07:23,609 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:07:23,610 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:07:23,611 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:07:23,611 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:07:23,612 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:07:23,612 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:07:23,613 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:07:23,613 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:07:23,614 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:07:23,615 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:07:23,615 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:07:23,615 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:07:23,616 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:07:23,616 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:07:23,616 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:07:23,617 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:07:23,617 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_926acb14-80f5-470d-9866-e0c30b8ada64/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 17:07:23,627 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:07:23,627 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:07:23,628 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:07:23,628 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:07:23,629 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:07:23,629 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:07:23,629 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:07:23,629 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:07:23,629 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:07:23,629 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:07:23,630 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:07:23,630 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:07:23,630 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:07:23,630 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:07:23,631 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:07:23,631 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:07:23,631 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:07:23,631 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 17:07:23,631 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 17:07:23,631 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:07:23,631 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:07:23,631 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:07:23,632 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:07:23,632 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:07:23,632 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:07:23,632 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:07:23,632 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:07:23,632 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:07:23,632 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:07:23,633 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:07:23,633 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:07:23,633 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 17:07:23,633 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:07:23,633 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 17:07:23,633 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 17:07:23,633 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_926acb14-80f5-470d-9866-e0c30b8ada64/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 -> dfb5ded2642d3c9d46596c0cba0f14bb34f1a46e [2018-11-18 17:07:23,668 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:07:23,678 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:07:23,681 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:07:23,682 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:07:23,682 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:07:23,683 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_926acb14-80f5-470d-9866-e0c30b8ada64/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/nan_double_range_true-unreach-call_true-termination.c [2018-11-18 17:07:23,731 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_926acb14-80f5-470d-9866-e0c30b8ada64/bin-2019/utaipan/data/d829b33e4/bfb48a0fd4884b9d9fe60087a4eca6ea/FLAG6e8d79faa [2018-11-18 17:07:24,077 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:07:24,078 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_926acb14-80f5-470d-9866-e0c30b8ada64/sv-benchmarks/c/float-benchs/nan_double_range_true-unreach-call_true-termination.c [2018-11-18 17:07:24,082 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_926acb14-80f5-470d-9866-e0c30b8ada64/bin-2019/utaipan/data/d829b33e4/bfb48a0fd4884b9d9fe60087a4eca6ea/FLAG6e8d79faa [2018-11-18 17:07:24,091 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_926acb14-80f5-470d-9866-e0c30b8ada64/bin-2019/utaipan/data/d829b33e4/bfb48a0fd4884b9d9fe60087a4eca6ea [2018-11-18 17:07:24,093 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:07:24,094 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:07:24,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:07:24,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:07:24,099 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:07:24,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:07:24" (1/1) ... [2018-11-18 17:07:24,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1058d26b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:07:24, skipping insertion in model container [2018-11-18 17:07:24,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:07:24" (1/1) ... [2018-11-18 17:07:24,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:07:24,121 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:07:24,339 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:07:24,356 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:07:24,375 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:07:24,386 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:07:24,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:07:24 WrapperNode [2018-11-18 17:07:24,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:07:24,387 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:07:24,387 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:07:24,387 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:07:24,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:07:24" (1/1) ... [2018-11-18 17:07:24,398 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:07:24" (1/1) ... [2018-11-18 17:07:24,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:07:24,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:07:24,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:07:24,403 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:07:24,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:07:24" (1/1) ... [2018-11-18 17:07:24,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:07:24" (1/1) ... [2018-11-18 17:07:24,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:07:24" (1/1) ... [2018-11-18 17:07:24,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:07:24" (1/1) ... [2018-11-18 17:07:24,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:07:24" (1/1) ... [2018-11-18 17:07:24,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:07:24" (1/1) ... [2018-11-18 17:07:24,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:07:24" (1/1) ... [2018-11-18 17:07:24,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:07:24,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:07:24,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:07:24,419 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:07:24,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:07:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_926acb14-80f5-470d-9866-e0c30b8ada64/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 17:07:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:07:24,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:07:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:07:24,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:07:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:07:24,503 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:07:24,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 17:07:24,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 17:07:24,622 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:07:24,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:07:24 BoogieIcfgContainer [2018-11-18 17:07:24,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:07:24,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:07:24,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:07:24,625 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:07:24,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:07:24" (1/3) ... [2018-11-18 17:07:24,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9fc9a3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:07:24, skipping insertion in model container [2018-11-18 17:07:24,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:07:24" (2/3) ... [2018-11-18 17:07:24,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9fc9a3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:07:24, skipping insertion in model container [2018-11-18 17:07:24,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:07:24" (3/3) ... [2018-11-18 17:07:24,628 INFO L112 eAbstractionObserver]: Analyzing ICFG nan_double_range_true-unreach-call_true-termination.c [2018-11-18 17:07:24,634 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:07:24,638 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:07:24,650 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:07:24,674 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 17:07:24,675 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:07:24,675 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:07:24,675 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:07:24,675 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:07:24,675 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:07:24,675 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:07:24,675 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:07:24,676 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:07:24,691 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-18 17:07:24,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 17:07:24,696 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:07:24,696 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:07:24,698 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:07:24,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:07:24,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1736771137, now seen corresponding path program 1 times [2018-11-18 17:07:24,705 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 17:07:24,705 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_926acb14-80f5-470d-9866-e0c30b8ada64/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 17:07:24,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:07:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:07:24,743 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:07:24,913 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 17:07:24,913 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 17:07:24,921 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:07:24,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 17:07:24,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 17:07:24,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 17:07:24,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 17:07:24,934 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 5 states. [2018-11-18 17:07:25,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:07:25,046 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2018-11-18 17:07:25,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 17:07:25,048 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-11-18 17:07:25,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:07:25,054 INFO L225 Difference]: With dead ends: 28 [2018-11-18 17:07:25,054 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 17:07:25,057 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:07:25,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 17:07:25,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 17:07:25,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 17:07:25,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 17:07:25,081 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-11-18 17:07:25,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:07:25,081 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:07:25,081 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 17:07:25,081 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:07:25,081 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:07:25,086 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 17:07:25,150 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-18 17:07:25,150 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:07:25,150 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:07:25,150 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 17:07:25,151 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:07:25,151 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:07:25,151 INFO L421 ceAbstractionStarter]: At program point L14(line 14) the Hoare annotation is: (fp.leq main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven 10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) [2018-11-18 17:07:25,151 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 8 17) the Hoare annotation is: true [2018-11-18 17:07:25,151 INFO L425 ceAbstractionStarter]: For program point L13(lines 13 15) no Hoare annotation was computed. [2018-11-18 17:07:25,151 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 8 17) no Hoare annotation was computed. [2018-11-18 17:07:25,151 INFO L425 ceAbstractionStarter]: For program point L13-1(lines 13 15) no Hoare annotation was computed. [2018-11-18 17:07:25,152 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 8 17) no Hoare annotation was computed. [2018-11-18 17:07:25,152 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2018-11-18 17:07:25,152 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 6) the Hoare annotation is: true [2018-11-18 17:07:25,152 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 6) no Hoare annotation was computed. [2018-11-18 17:07:25,152 INFO L425 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2018-11-18 17:07:25,152 INFO L425 ceAbstractionStarter]: For program point L6-1(line 6) no Hoare annotation was computed. [2018-11-18 17:07:25,152 INFO L425 ceAbstractionStarter]: For program point L6-3(line 6) no Hoare annotation was computed. [2018-11-18 17:07:25,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:07:25 BoogieIcfgContainer [2018-11-18 17:07:25,155 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:07:25,155 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:07:25,155 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:07:25,156 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:07:25,156 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:07:24" (3/4) ... [2018-11-18 17:07:25,163 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:07:25,170 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:07:25,170 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:07:25,170 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-18 17:07:25,176 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 17:07:25,177 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 17:07:25,177 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 17:07:25,213 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_926acb14-80f5-470d-9866-e0c30b8ada64/bin-2019/utaipan/witness.graphml [2018-11-18 17:07:25,214 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:07:25,215 INFO L168 Benchmark]: Toolchain (without parser) took 1121.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 953.2 MB in the beginning and 1.0 GB in the end (delta: -88.3 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2018-11-18 17:07:25,216 INFO L168 Benchmark]: CDTParser took 0.15 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 17:07:25,218 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.75 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 941.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:07:25,219 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.47 ms. Allocated memory is still 1.0 GB. Free memory was 941.1 MB in the beginning and 935.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:07:25,221 INFO L168 Benchmark]: Boogie Preprocessor took 15.70 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:07:25,221 INFO L168 Benchmark]: RCFGBuilder took 204.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -154.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2018-11-18 17:07:25,222 INFO L168 Benchmark]: TraceAbstraction took 531.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. [2018-11-18 17:07:25,222 INFO L168 Benchmark]: Witness Printer took 58.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-18 17:07:25,229 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 291.75 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 941.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.47 ms. Allocated memory is still 1.0 GB. Free memory was 941.1 MB in the beginning and 935.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.70 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 204.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 935.8 MB in the beginning and 1.1 GB in the end (delta: -154.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 531.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. * Witness Printer took 58.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. SAFE Result, 0.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16 SDtfs, 7 SDslu, 40 SDs, 0 SdLazy, 9 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 10 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 189 SizeOfPredicates, 2 NumberOfNonLiveVariables, 19 ConjunctsInSsa, 4 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...