./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/addsub_double_exact_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9b0b3f56-165d-43b8-b34e-9e722e7efc41/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9b0b3f56-165d-43b8-b34e-9e722e7efc41/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9b0b3f56-165d-43b8-b34e-9e722e7efc41/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9b0b3f56-165d-43b8-b34e-9e722e7efc41/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/addsub_double_exact_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9b0b3f56-165d-43b8-b34e-9e722e7efc41/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9b0b3f56-165d-43b8-b34e-9e722e7efc41/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 e20164d66b413fd1e6480d779b873570f1c551b2 ......................................................................................................................................................................................................................................................... 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_9b0b3f56-165d-43b8-b34e-9e722e7efc41/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9b0b3f56-165d-43b8-b34e-9e722e7efc41/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9b0b3f56-165d-43b8-b34e-9e722e7efc41/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9b0b3f56-165d-43b8-b34e-9e722e7efc41/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/addsub_double_exact_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9b0b3f56-165d-43b8-b34e-9e722e7efc41/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9b0b3f56-165d-43b8-b34e-9e722e7efc41/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 e20164d66b413fd1e6480d779b873570f1c551b2 ............................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 23:58:13,908 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 23:58:13,909 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 23:58:13,915 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 23:58:13,915 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 23:58:13,915 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 23:58:13,916 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 23:58:13,917 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 23:58:13,917 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 23:58:13,918 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 23:58:13,918 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 23:58:13,918 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 23:58:13,919 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 23:58:13,919 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 23:58:13,920 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 23:58:13,920 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 23:58:13,921 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 23:58:13,922 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 23:58:13,922 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 23:58:13,923 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 23:58:13,924 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 23:58:13,924 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 23:58:13,925 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 23:58:13,925 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 23:58:13,925 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 23:58:13,926 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 23:58:13,926 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 23:58:13,927 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 23:58:13,927 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 23:58:13,928 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 23:58:13,928 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 23:58:13,928 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 23:58:13,928 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 23:58:13,928 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 23:58:13,929 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 23:58:13,929 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 23:58:13,929 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9b0b3f56-165d-43b8-b34e-9e722e7efc41/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 23:58:13,936 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 23:58:13,936 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 23:58:13,937 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 23:58:13,937 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 23:58:13,937 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 23:58:13,937 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 23:58:13,937 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 23:58:13,937 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 23:58:13,937 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 23:58:13,937 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 23:58:13,938 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 23:58:13,938 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 23:58:13,938 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 23:58:13,938 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 23:58:13,938 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 23:58:13,938 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 23:58:13,938 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 23:58:13,938 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 23:58:13,938 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 23:58:13,939 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 23:58:13,939 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 23:58:13,939 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 23:58:13,939 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 23:58:13,939 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 23:58:13,939 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 23:58:13,939 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 23:58:13,939 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 23:58:13,939 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 23:58:13,939 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 23:58:13,939 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 23:58:13,940 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 23:58:13,940 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 23:58:13,940 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 23:58:13,940 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 23:58:13,940 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 23:58:13,940 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 23:58:13,940 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_9b0b3f56-165d-43b8-b34e-9e722e7efc41/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 -> e20164d66b413fd1e6480d779b873570f1c551b2 [2018-12-08 23:58:13,958 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 23:58:13,967 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 23:58:13,969 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 23:58:13,970 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 23:58:13,971 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 23:58:13,971 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9b0b3f56-165d-43b8-b34e-9e722e7efc41/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/addsub_double_exact_true-unreach-call_true-termination.c [2018-12-08 23:58:14,011 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9b0b3f56-165d-43b8-b34e-9e722e7efc41/bin-2019/utaipan/data/317655abd/c448e69b35ad4dbc86401a610c2ba7f4/FLAG1b4434b79 [2018-12-08 23:58:14,423 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 23:58:14,424 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9b0b3f56-165d-43b8-b34e-9e722e7efc41/sv-benchmarks/c/float-benchs/addsub_double_exact_true-unreach-call_true-termination.c [2018-12-08 23:58:14,427 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9b0b3f56-165d-43b8-b34e-9e722e7efc41/bin-2019/utaipan/data/317655abd/c448e69b35ad4dbc86401a610c2ba7f4/FLAG1b4434b79 [2018-12-08 23:58:14,435 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9b0b3f56-165d-43b8-b34e-9e722e7efc41/bin-2019/utaipan/data/317655abd/c448e69b35ad4dbc86401a610c2ba7f4 [2018-12-08 23:58:14,437 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 23:58:14,438 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 23:58:14,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 23:58:14,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 23:58:14,440 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 23:58:14,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:58:14" (1/1) ... [2018-12-08 23:58:14,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:14, skipping insertion in model container [2018-12-08 23:58:14,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:58:14" (1/1) ... [2018-12-08 23:58:14,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 23:58:14,459 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 23:58:14,546 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 23:58:14,549 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 23:58:14,557 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 23:58:14,564 INFO L195 MainTranslator]: Completed translation [2018-12-08 23:58:14,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:14 WrapperNode [2018-12-08 23:58:14,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 23:58:14,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 23:58:14,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 23:58:14,565 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 23:58:14,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:14" (1/1) ... [2018-12-08 23:58:14,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:14" (1/1) ... [2018-12-08 23:58:14,579 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 23:58:14,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 23:58:14,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 23:58:14,579 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 23:58:14,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:14" (1/1) ... [2018-12-08 23:58:14,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:14" (1/1) ... [2018-12-08 23:58:14,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:14" (1/1) ... [2018-12-08 23:58:14,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:14" (1/1) ... [2018-12-08 23:58:14,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:14" (1/1) ... [2018-12-08 23:58:14,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:14" (1/1) ... [2018-12-08 23:58:14,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:14" (1/1) ... [2018-12-08 23:58:14,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 23:58:14,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 23:58:14,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 23:58:14,619 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 23:58:14,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9b0b3f56-165d-43b8-b34e-9e722e7efc41/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 [2018-12-08 23:58:14,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 23:58:14,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 23:58:14,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 23:58:14,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 23:58:14,650 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 23:58:14,650 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 23:58:14,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-08 23:58:14,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-08 23:58:14,725 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 23:58:14,726 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-08 23:58:14,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:58:14 BoogieIcfgContainer [2018-12-08 23:58:14,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 23:58:14,727 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 23:58:14,727 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 23:58:14,728 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 23:58:14,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 11:58:14" (1/3) ... [2018-12-08 23:58:14,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a2f6840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:58:14, skipping insertion in model container [2018-12-08 23:58:14,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:14" (2/3) ... [2018-12-08 23:58:14,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a2f6840 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:58:14, skipping insertion in model container [2018-12-08 23:58:14,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:58:14" (3/3) ... [2018-12-08 23:58:14,731 INFO L112 eAbstractionObserver]: Analyzing ICFG addsub_double_exact_true-unreach-call_true-termination.c [2018-12-08 23:58:14,737 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 23:58:14,741 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 23:58:14,750 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 23:58:14,768 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 23:58:14,768 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 23:58:14,768 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 23:58:14,768 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 23:58:14,768 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 23:58:14,769 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 23:58:14,769 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 23:58:14,769 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 23:58:14,778 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-12-08 23:58:14,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 23:58:14,782 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:58:14,782 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 23:58:14,783 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:58:14,786 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:58:14,786 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-12-08 23:58:14,788 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 23:58:14,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:58:14,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:58:14,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:58:14,815 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 23:58:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 23:58:14,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 23:58:14,848 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 23:58:14,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 11:58:14 BoogieIcfgContainer [2018-12-08 23:58:14,862 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 23:58:14,862 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 23:58:14,862 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 23:58:14,862 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 23:58:14,862 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:58:14" (3/4) ... [2018-12-08 23:58:14,865 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 23:58:14,865 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 23:58:14,865 INFO L168 Benchmark]: Toolchain (without parser) took 428.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -119.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 23:58:14,866 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 23:58:14,867 INFO L168 Benchmark]: CACSL2BoogieTranslator took 126.20 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 940.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 23:58:14,867 INFO L168 Benchmark]: Boogie Procedure Inliner took 14.06 ms. Allocated memory is still 1.0 GB. Free memory is still 940.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 23:58:14,868 INFO L168 Benchmark]: Boogie Preprocessor took 39.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -153.0 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2018-12-08 23:58:14,868 INFO L168 Benchmark]: RCFGBuilder took 107.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-12-08 23:58:14,868 INFO L168 Benchmark]: TraceAbstraction took 135.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 23:58:14,869 INFO L168 Benchmark]: Witness Printer took 3.10 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 23:58:14,871 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 126.20 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 940.5 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 14.06 ms. Allocated memory is still 1.0 GB. Free memory is still 940.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -153.0 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 107.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 135.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.10 ms. Allocated memory is still 1.1 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: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 14, overapproximation of someBinaryArithmeticDOUBLEoperation at line 11. Possible FailurePath: [L8] double x, y, z, r; [L10] x = 1e8 [L11] y = x + 1 [L12] z = x - 1 [L13] r = y - z VAL [x=100000000] [L14] CALL __VERIFIER_assert(r == 2.) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L4] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. UNSAFE Result, 0.0s 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=17occurred 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, 9 NumberOfCodeBlocks, 9 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 0.1.23-635dfa2 [2018-12-08 23:58:16,132 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 23:58:16,133 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 23:58:16,139 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 23:58:16,139 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 23:58:16,140 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 23:58:16,140 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 23:58:16,141 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 23:58:16,142 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 23:58:16,142 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 23:58:16,143 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 23:58:16,143 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 23:58:16,143 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 23:58:16,144 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 23:58:16,144 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 23:58:16,145 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 23:58:16,145 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 23:58:16,146 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 23:58:16,147 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 23:58:16,147 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 23:58:16,148 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 23:58:16,148 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 23:58:16,150 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 23:58:16,150 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 23:58:16,150 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 23:58:16,150 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 23:58:16,151 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 23:58:16,151 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 23:58:16,151 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 23:58:16,152 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 23:58:16,152 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 23:58:16,152 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 23:58:16,153 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 23:58:16,153 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 23:58:16,153 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 23:58:16,153 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 23:58:16,154 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9b0b3f56-165d-43b8-b34e-9e722e7efc41/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-08 23:58:16,161 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 23:58:16,161 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 23:58:16,161 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 23:58:16,161 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 23:58:16,162 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 23:58:16,162 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 23:58:16,162 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 23:58:16,162 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 23:58:16,162 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 23:58:16,162 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 23:58:16,162 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 23:58:16,162 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 23:58:16,163 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 23:58:16,163 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 23:58:16,163 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 23:58:16,163 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 23:58:16,163 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 23:58:16,163 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 23:58:16,163 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 23:58:16,163 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 23:58:16,163 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 23:58:16,163 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 23:58:16,163 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 23:58:16,164 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 23:58:16,164 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 23:58:16,164 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 23:58:16,164 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 23:58:16,164 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 23:58:16,164 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 23:58:16,164 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 23:58:16,164 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 23:58:16,164 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 23:58:16,164 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 23:58:16,164 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 23:58:16,165 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 23:58:16,165 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_9b0b3f56-165d-43b8-b34e-9e722e7efc41/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 -> e20164d66b413fd1e6480d779b873570f1c551b2 [2018-12-08 23:58:16,182 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 23:58:16,189 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 23:58:16,191 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 23:58:16,192 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 23:58:16,192 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 23:58:16,193 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9b0b3f56-165d-43b8-b34e-9e722e7efc41/bin-2019/utaipan/../../sv-benchmarks/c/float-benchs/addsub_double_exact_true-unreach-call_true-termination.c [2018-12-08 23:58:16,227 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9b0b3f56-165d-43b8-b34e-9e722e7efc41/bin-2019/utaipan/data/b71a27ff4/83b01669775c43b9bd8d8c1ea94129ee/FLAGaa81695dc [2018-12-08 23:58:16,630 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 23:58:16,630 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9b0b3f56-165d-43b8-b34e-9e722e7efc41/sv-benchmarks/c/float-benchs/addsub_double_exact_true-unreach-call_true-termination.c [2018-12-08 23:58:16,634 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9b0b3f56-165d-43b8-b34e-9e722e7efc41/bin-2019/utaipan/data/b71a27ff4/83b01669775c43b9bd8d8c1ea94129ee/FLAGaa81695dc [2018-12-08 23:58:16,642 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9b0b3f56-165d-43b8-b34e-9e722e7efc41/bin-2019/utaipan/data/b71a27ff4/83b01669775c43b9bd8d8c1ea94129ee [2018-12-08 23:58:16,643 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 23:58:16,644 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 23:58:16,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 23:58:16,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 23:58:16,647 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 23:58:16,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:58:16" (1/1) ... [2018-12-08 23:58:16,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b3325a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:16, skipping insertion in model container [2018-12-08 23:58:16,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:58:16" (1/1) ... [2018-12-08 23:58:16,653 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 23:58:16,662 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 23:58:16,744 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 23:58:16,748 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 23:58:16,757 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 23:58:16,765 INFO L195 MainTranslator]: Completed translation [2018-12-08 23:58:16,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:16 WrapperNode [2018-12-08 23:58:16,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 23:58:16,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 23:58:16,766 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 23:58:16,766 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 23:58:16,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:16" (1/1) ... [2018-12-08 23:58:16,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:16" (1/1) ... [2018-12-08 23:58:16,779 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 23:58:16,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 23:58:16,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 23:58:16,779 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 23:58:16,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:16" (1/1) ... [2018-12-08 23:58:16,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:16" (1/1) ... [2018-12-08 23:58:16,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:16" (1/1) ... [2018-12-08 23:58:16,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:16" (1/1) ... [2018-12-08 23:58:16,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:16" (1/1) ... [2018-12-08 23:58:16,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:16" (1/1) ... [2018-12-08 23:58:16,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:16" (1/1) ... [2018-12-08 23:58:16,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 23:58:16,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 23:58:16,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 23:58:16,793 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 23:58:16,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9b0b3f56-165d-43b8-b34e-9e722e7efc41/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 [2018-12-08 23:58:16,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 23:58:16,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 23:58:16,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 23:58:16,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 23:58:16,856 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 23:58:16,856 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 23:58:16,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-08 23:58:16,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-08 23:58:16,987 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 23:58:16,987 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-08 23:58:16,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:58:16 BoogieIcfgContainer [2018-12-08 23:58:16,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 23:58:16,988 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 23:58:16,988 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 23:58:16,990 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 23:58:16,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 11:58:16" (1/3) ... [2018-12-08 23:58:16,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11db696a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:58:16, skipping insertion in model container [2018-12-08 23:58:16,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:16" (2/3) ... [2018-12-08 23:58:16,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11db696a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:58:16, skipping insertion in model container [2018-12-08 23:58:16,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:58:16" (3/3) ... [2018-12-08 23:58:16,992 INFO L112 eAbstractionObserver]: Analyzing ICFG addsub_double_exact_true-unreach-call_true-termination.c [2018-12-08 23:58:16,997 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 23:58:17,001 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 23:58:17,010 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 23:58:17,027 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 23:58:17,027 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 23:58:17,027 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 23:58:17,027 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 23:58:17,027 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 23:58:17,028 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 23:58:17,028 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 23:58:17,028 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 23:58:17,028 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 23:58:17,037 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-12-08 23:58:17,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 23:58:17,041 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:58:17,041 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 23:58:17,042 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:58:17,045 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:58:17,046 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-12-08 23:58:17,048 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 23:58:17,048 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9b0b3f56-165d-43b8-b34e-9e722e7efc41/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 [2018-12-08 23:58:17,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:58:17,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:17,268 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:58:17,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:58:17,325 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 23:58:17,336 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:58:17,336 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 23:58:17,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 23:58:17,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 23:58:17,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 23:58:17,347 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 5 states. [2018-12-08 23:58:17,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:58:17,380 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2018-12-08 23:58:17,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 23:58:17,381 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2018-12-08 23:58:17,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:58:17,385 INFO L225 Difference]: With dead ends: 24 [2018-12-08 23:58:17,385 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 23:58:17,387 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-08 23:58:17,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 23:58:17,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 23:58:17,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 23:58:17,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 23:58:17,403 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2018-12-08 23:58:17,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:58:17,404 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 23:58:17,404 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 23:58:17,404 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 23:58:17,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 23:58:17,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 23:58:17,440 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-08 23:58:17,440 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 23:58:17,440 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 23:58:17,440 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-08 23:58:17,440 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 23:58:17,440 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 23:58:17,440 INFO L444 ceAbstractionStarter]: At program point L14(line 14) the Hoare annotation is: (= (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 100000000.0)) (.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv1 32)))) (fp.sub roundNearestTiesToEven (fp.add roundNearestTiesToEven .cse0 .cse1) (fp.sub roundNearestTiesToEven .cse0 .cse1))) main_~r~0) [2018-12-08 23:58:17,440 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 6 16) the Hoare annotation is: true [2018-12-08 23:58:17,441 INFO L448 ceAbstractionStarter]: For program point L14-1(line 14) no Hoare annotation was computed. [2018-12-08 23:58:17,441 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 6 16) no Hoare annotation was computed. [2018-12-08 23:58:17,441 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 6 16) no Hoare annotation was computed. [2018-12-08 23:58:17,441 INFO L448 ceAbstractionStarter]: For program point L4-3(line 4) no Hoare annotation was computed. [2018-12-08 23:58:17,441 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2018-12-08 23:58:17,441 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 4) the Hoare annotation is: true [2018-12-08 23:58:17,441 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 4) no Hoare annotation was computed. [2018-12-08 23:58:17,441 INFO L448 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2018-12-08 23:58:17,441 INFO L448 ceAbstractionStarter]: For program point L4-1(line 4) no Hoare annotation was computed. [2018-12-08 23:58:17,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 11:58:17 BoogieIcfgContainer [2018-12-08 23:58:17,443 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 23:58:17,443 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 23:58:17,443 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 23:58:17,443 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 23:58:17,444 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:58:16" (3/4) ... [2018-12-08 23:58:17,446 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 23:58:17,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 23:58:17,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 23:58:17,450 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-12-08 23:58:17,453 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-08 23:58:17,453 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 23:58:17,453 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 23:58:17,453 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 23:58:17,474 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9b0b3f56-165d-43b8-b34e-9e722e7efc41/bin-2019/utaipan/witness.graphml [2018-12-08 23:58:17,474 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 23:58:17,475 INFO L168 Benchmark]: Toolchain (without parser) took 831.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -136.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2018-12-08 23:58:17,476 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 23:58:17,476 INFO L168 Benchmark]: CACSL2BoogieTranslator took 121.03 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 23:58:17,477 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.09 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 23:58:17,477 INFO L168 Benchmark]: Boogie Preprocessor took 13.44 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 23:58:17,477 INFO L168 Benchmark]: RCFGBuilder took 194.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -186.9 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-08 23:58:17,478 INFO L168 Benchmark]: TraceAbstraction took 454.88 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: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-12-08 23:58:17,478 INFO L168 Benchmark]: Witness Printer took 30.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-08 23:58:17,480 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 121.03 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 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 13.09 ms. Allocated memory is still 1.0 GB. Free memory is still 934.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.44 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 194.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -186.9 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 454.88 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: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Witness Printer took 30.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 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: 4]: 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, 17 locations, 1 error locations. SAFE Result, 0.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 7 SDslu, 27 SDs, 0 SdLazy, 7 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 25 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 280 SizeOfPredicates, 5 NumberOfNonLiveVariables, 20 ConjunctsInSsa, 7 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...