./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float11_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5003451a-7b21-43c3-885e-3b45da01b128/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5003451a-7b21-43c3-885e-3b45da01b128/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5003451a-7b21-43c3-885e-3b45da01b128/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5003451a-7b21-43c3-885e-3b45da01b128/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float11_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_5003451a-7b21-43c3-885e-3b45da01b128/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5003451a-7b21-43c3-885e-3b45da01b128/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 886aa0a053757b8ae42cb6f24d8eab35e734c9f7 ................................................................................................................................................................................................................................................................................................................ 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_5003451a-7b21-43c3-885e-3b45da01b128/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5003451a-7b21-43c3-885e-3b45da01b128/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5003451a-7b21-43c3-885e-3b45da01b128/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5003451a-7b21-43c3-885e-3b45da01b128/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float11_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_5003451a-7b21-43c3-885e-3b45da01b128/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5003451a-7b21-43c3-885e-3b45da01b128/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 886aa0a053757b8ae42cb6f24d8eab35e734c9f7 ..................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 13:40:16,889 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:40:16,890 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:40:16,896 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:40:16,896 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:40:16,897 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:40:16,898 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:40:16,898 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:40:16,899 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:40:16,900 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:40:16,900 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:40:16,901 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:40:16,901 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:40:16,902 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:40:16,903 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:40:16,903 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:40:16,904 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:40:16,905 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:40:16,907 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:40:16,908 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:40:16,908 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:40:16,909 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:40:16,911 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:40:16,911 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:40:16,911 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:40:16,912 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:40:16,913 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:40:16,913 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:40:16,914 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:40:16,915 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:40:16,915 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:40:16,915 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:40:16,915 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:40:16,915 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:40:16,916 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:40:16,917 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:40:16,917 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5003451a-7b21-43c3-885e-3b45da01b128/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 13:40:16,927 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:40:16,927 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:40:16,928 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:40:16,928 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:40:16,928 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 13:40:16,928 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 13:40:16,928 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 13:40:16,928 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 13:40:16,928 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 13:40:16,929 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 13:40:16,929 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 13:40:16,929 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 13:40:16,929 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 13:40:16,930 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:40:16,930 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:40:16,930 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:40:16,930 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:40:16,930 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:40:16,930 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:40:16,930 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:40:16,931 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:40:16,931 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:40:16,931 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:40:16,931 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:40:16,931 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:40:16,931 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:40:16,931 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:40:16,931 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:40:16,932 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:40:16,932 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:40:16,932 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:40:16,932 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:40:16,932 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:40:16,932 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 13:40:16,932 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:40:16,933 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:40:16,933 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 13:40:16,933 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_5003451a-7b21-43c3-885e-3b45da01b128/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 -> 886aa0a053757b8ae42cb6f24d8eab35e734c9f7 [2018-11-23 13:40:16,957 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:40:16,967 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:40:16,969 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:40:16,971 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:40:16,971 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:40:16,972 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5003451a-7b21-43c3-885e-3b45da01b128/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float11_true-unreach-call_true-termination.i [2018-11-23 13:40:17,016 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5003451a-7b21-43c3-885e-3b45da01b128/bin-2019/utaipan/data/444f9c151/4073911e9ce44536ae9f111641736ae5/FLAG7cf60980e [2018-11-23 13:40:17,428 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:40:17,429 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5003451a-7b21-43c3-885e-3b45da01b128/sv-benchmarks/c/floats-cbmc-regression/float11_true-unreach-call_true-termination.i [2018-11-23 13:40:17,432 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5003451a-7b21-43c3-885e-3b45da01b128/bin-2019/utaipan/data/444f9c151/4073911e9ce44536ae9f111641736ae5/FLAG7cf60980e [2018-11-23 13:40:17,441 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5003451a-7b21-43c3-885e-3b45da01b128/bin-2019/utaipan/data/444f9c151/4073911e9ce44536ae9f111641736ae5 [2018-11-23 13:40:17,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:40:17,444 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:40:17,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:40:17,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:40:17,447 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:40:17,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:40:17" (1/1) ... [2018-11-23 13:40:17,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eff5861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:17, skipping insertion in model container [2018-11-23 13:40:17,450 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:40:17" (1/1) ... [2018-11-23 13:40:17,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:40:17,468 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:40:17,574 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:40:17,578 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:40:17,589 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:40:17,597 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:40:17,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:17 WrapperNode [2018-11-23 13:40:17,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:40:17,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:40:17,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:40:17,598 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:40:17,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:17" (1/1) ... [2018-11-23 13:40:17,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:17" (1/1) ... [2018-11-23 13:40:17,610 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:40:17,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:40:17,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:40:17,611 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:40:17,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:17" (1/1) ... [2018-11-23 13:40:17,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:17" (1/1) ... [2018-11-23 13:40:17,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:17" (1/1) ... [2018-11-23 13:40:17,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:17" (1/1) ... [2018-11-23 13:40:17,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:17" (1/1) ... [2018-11-23 13:40:17,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:17" (1/1) ... [2018-11-23 13:40:17,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:17" (1/1) ... [2018-11-23 13:40:17,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:40:17,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:40:17,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:40:17,625 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:40:17,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5003451a-7b21-43c3-885e-3b45da01b128/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:40:17,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 13:40:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 13:40:17,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:40:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:40:17,697 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 13:40:17,697 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 13:40:17,865 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:40:17,865 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 13:40:17,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:40:17 BoogieIcfgContainer [2018-11-23 13:40:17,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:40:17,866 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:40:17,866 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:40:17,869 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:40:17,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:40:17" (1/3) ... [2018-11-23 13:40:17,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bc3b0b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:40:17, skipping insertion in model container [2018-11-23 13:40:17,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:17" (2/3) ... [2018-11-23 13:40:17,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bc3b0b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:40:17, skipping insertion in model container [2018-11-23 13:40:17,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:40:17" (3/3) ... [2018-11-23 13:40:17,871 INFO L112 eAbstractionObserver]: Analyzing ICFG float11_true-unreach-call_true-termination.i [2018-11-23 13:40:17,878 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:40:17,882 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 30 error locations. [2018-11-23 13:40:17,893 INFO L257 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2018-11-23 13:40:17,913 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:40:17,913 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:40:17,913 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:40:17,913 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:40:17,913 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:40:17,914 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:40:17,914 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:40:17,914 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:40:17,930 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2018-11-23 13:40:17,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-23 13:40:17,933 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:40:17,934 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-11-23 13:40:17,936 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:40:17,939 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:40:17,939 INFO L82 PathProgramCache]: Analyzing trace with hash -680722770, now seen corresponding path program 1 times [2018-11-23 13:40:17,941 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:40:17,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:40:17,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:40:17,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:40:17,978 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:40:17,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:40:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:40:18,000 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #246#return; [?] CALL call #t~ret0 := main(); [?] assume !~someBinaryDOUBLEComparisonOperation(1.0, 2.5); [?] assume !false; [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L5] assume !~someBinaryDOUBLEComparisonOperation(1.0, 2.5); [L5] assert false; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L5] assume !~someBinaryDOUBLEComparisonOperation(1.0, 2.5); [L5] assert false; [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L5] COND TRUE !~someBinaryDOUBLEComparisonOperation(1.0, 2.5) [L5] assert false; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L5] COND TRUE !~someBinaryDOUBLEComparisonOperation(1.0, 2.5) [L5] assert false; [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L5] COND TRUE !~someBinaryDOUBLEComparisonOperation(1.0, 2.5) [L5] assert false; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret0 := main(); [L5] COND TRUE !~someBinaryDOUBLEComparisonOperation(1.0, 2.5) [L5] assert false; [L5] COND TRUE !(1.0<2.5) [L5] __VERIFIER_error() ----- [2018-11-23 13:40:18,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:40:18 BoogieIcfgContainer [2018-11-23 13:40:18,013 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 13:40:18,014 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:40:18,014 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:40:18,014 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:40:18,014 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:40:17" (3/4) ... [2018-11-23 13:40:18,017 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 13:40:18,017 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:40:18,018 INFO L168 Benchmark]: Toolchain (without parser) took 574.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -118.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:40:18,019 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-11-23 13:40:18,019 INFO L168 Benchmark]: CACSL2BoogieTranslator took 153.37 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:40:18,020 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.80 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:40:18,020 INFO L168 Benchmark]: Boogie Preprocessor took 13.73 ms. Allocated memory is still 1.0 GB. Free memory is still 946.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:40:18,020 INFO L168 Benchmark]: RCFGBuilder took 240.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -143.0 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-23 13:40:18,021 INFO L168 Benchmark]: TraceAbstraction took 147.63 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: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. [2018-11-23 13:40:18,021 INFO L168 Benchmark]: Witness Printer took 3.54 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. [2018-11-23 13:40:18,024 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 153.37 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 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 12.80 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.73 ms. Allocated memory is still 1.0 GB. Free memory is still 946.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 240.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -143.0 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 147.63 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: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.54 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: 5]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 5. Possible FailurePath: [L5] COND TRUE !(1.0<2.5) [L5] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 98 locations, 30 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=98occurred 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, 6 NumberOfCodeBlocks, 6 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-aa41828 [2018-11-23 13:40:19,441 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:40:19,443 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:40:19,451 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:40:19,451 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:40:19,451 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:40:19,452 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:40:19,453 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:40:19,454 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:40:19,455 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:40:19,456 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:40:19,456 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:40:19,457 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:40:19,457 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:40:19,458 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:40:19,459 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:40:19,459 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:40:19,461 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:40:19,462 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:40:19,463 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:40:19,464 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:40:19,465 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:40:19,466 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:40:19,467 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:40:19,467 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:40:19,468 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:40:19,468 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:40:19,469 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:40:19,469 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:40:19,470 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:40:19,470 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:40:19,471 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:40:19,471 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:40:19,471 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:40:19,472 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:40:19,472 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:40:19,472 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5003451a-7b21-43c3-885e-3b45da01b128/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-23 13:40:19,483 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:40:19,483 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:40:19,484 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:40:19,484 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:40:19,484 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 13:40:19,484 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 13:40:19,485 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 13:40:19,485 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 13:40:19,485 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 13:40:19,485 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 13:40:19,486 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:40:19,486 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:40:19,486 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:40:19,486 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:40:19,486 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:40:19,486 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:40:19,486 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:40:19,487 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 13:40:19,487 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 13:40:19,487 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:40:19,487 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:40:19,487 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:40:19,487 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:40:19,487 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:40:19,488 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:40:19,488 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:40:19,488 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:40:19,488 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:40:19,488 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:40:19,488 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:40:19,488 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:40:19,488 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 13:40:19,489 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:40:19,489 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 13:40:19,489 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 13:40:19,489 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_5003451a-7b21-43c3-885e-3b45da01b128/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 -> 886aa0a053757b8ae42cb6f24d8eab35e734c9f7 [2018-11-23 13:40:19,517 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:40:19,525 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:40:19,527 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:40:19,528 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:40:19,528 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:40:19,529 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5003451a-7b21-43c3-885e-3b45da01b128/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float11_true-unreach-call_true-termination.i [2018-11-23 13:40:19,565 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5003451a-7b21-43c3-885e-3b45da01b128/bin-2019/utaipan/data/8391b5052/d4833f8f5e9b4ea59ae35b1a2b1fdd81/FLAG51481509b [2018-11-23 13:40:19,959 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:40:19,960 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5003451a-7b21-43c3-885e-3b45da01b128/sv-benchmarks/c/floats-cbmc-regression/float11_true-unreach-call_true-termination.i [2018-11-23 13:40:19,963 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5003451a-7b21-43c3-885e-3b45da01b128/bin-2019/utaipan/data/8391b5052/d4833f8f5e9b4ea59ae35b1a2b1fdd81/FLAG51481509b [2018-11-23 13:40:19,973 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5003451a-7b21-43c3-885e-3b45da01b128/bin-2019/utaipan/data/8391b5052/d4833f8f5e9b4ea59ae35b1a2b1fdd81 [2018-11-23 13:40:19,975 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:40:19,976 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:40:19,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:40:19,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:40:19,980 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:40:19,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:40:19" (1/1) ... [2018-11-23 13:40:19,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37be410b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:19, skipping insertion in model container [2018-11-23 13:40:19,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:40:19" (1/1) ... [2018-11-23 13:40:19,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:40:20,004 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:40:20,132 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:40:20,138 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:40:20,155 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:40:20,167 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:40:20,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:20 WrapperNode [2018-11-23 13:40:20,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:40:20,168 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:40:20,168 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:40:20,168 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:40:20,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:20" (1/1) ... [2018-11-23 13:40:20,181 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:20" (1/1) ... [2018-11-23 13:40:20,187 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:40:20,187 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:40:20,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:40:20,187 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:40:20,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:20" (1/1) ... [2018-11-23 13:40:20,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:20" (1/1) ... [2018-11-23 13:40:20,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:20" (1/1) ... [2018-11-23 13:40:20,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:20" (1/1) ... [2018-11-23 13:40:20,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:20" (1/1) ... [2018-11-23 13:40:20,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:20" (1/1) ... [2018-11-23 13:40:20,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:20" (1/1) ... [2018-11-23 13:40:20,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:40:20,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:40:20,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:40:20,211 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:40:20,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5003451a-7b21-43c3-885e-3b45da01b128/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:40:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 13:40:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 13:40:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:40:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:40:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 13:40:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 13:40:20,463 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:40:20,463 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 13:40:20,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:40:20 BoogieIcfgContainer [2018-11-23 13:40:20,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:40:20,464 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:40:20,464 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:40:20,465 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:40:20,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:40:19" (1/3) ... [2018-11-23 13:40:20,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d244d4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:40:20, skipping insertion in model container [2018-11-23 13:40:20,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:40:20" (2/3) ... [2018-11-23 13:40:20,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d244d4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:40:20, skipping insertion in model container [2018-11-23 13:40:20,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:40:20" (3/3) ... [2018-11-23 13:40:20,468 INFO L112 eAbstractionObserver]: Analyzing ICFG float11_true-unreach-call_true-termination.i [2018-11-23 13:40:20,475 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:40:20,480 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 30 error locations. [2018-11-23 13:40:20,489 INFO L257 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2018-11-23 13:40:20,509 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 13:40:20,510 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:40:20,510 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:40:20,510 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:40:20,510 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:40:20,510 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:40:20,510 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:40:20,511 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:40:20,511 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:40:20,528 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2018-11-23 13:40:20,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-23 13:40:20,532 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:40:20,532 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-11-23 13:40:20,534 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:40:20,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:40:20,538 INFO L82 PathProgramCache]: Analyzing trace with hash -680722770, now seen corresponding path program 1 times [2018-11-23 13:40:20,540 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-23 13:40:20,541 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5003451a-7b21-43c3-885e-3b45da01b128/bin-2019/utaipan/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-23 13:40:20,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:40:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:40:20,573 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:40:20,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:40:20,583 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 13:40:20,586 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:40:20,586 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 13:40:20,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 13:40:20,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 13:40:20,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 13:40:20,598 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 2 states. [2018-11-23 13:40:20,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:40:20,616 INFO L93 Difference]: Finished difference Result 131 states and 188 transitions. [2018-11-23 13:40:20,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 13:40:20,617 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2018-11-23 13:40:20,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:40:20,621 INFO L225 Difference]: With dead ends: 131 [2018-11-23 13:40:20,621 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 13:40:20,624 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 13:40:20,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 13:40:20,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 13:40:20,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 13:40:20,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 13:40:20,640 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2018-11-23 13:40:20,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:40:20,641 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:40:20,641 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 13:40:20,641 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:40:20,641 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:40:20,644 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 13:40:20,674 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-23 13:40:20,674 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:40:20,674 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:40:20,674 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 13:40:20,674 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 13:40:20,674 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:40:20,675 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 2 40) no Hoare annotation was computed. [2018-11-23 13:40:20,675 INFO L448 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2018-11-23 13:40:20,675 INFO L448 ceAbstractionStarter]: For program point L19-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:40:20,675 INFO L448 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2018-11-23 13:40:20,675 INFO L448 ceAbstractionStarter]: For program point L36-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:40:20,675 INFO L448 ceAbstractionStarter]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2018-11-23 13:40:20,675 INFO L448 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-11-23 13:40:20,675 INFO L448 ceAbstractionStarter]: For program point L20-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:40:20,675 INFO L448 ceAbstractionStarter]: For program point mainErr17ASSERT_VIOLATIONERROR_FUNCTION(line 24) no Hoare annotation was computed. [2018-11-23 13:40:20,675 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 13:40:20,675 INFO L448 ceAbstractionStarter]: For program point L37-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:40:20,675 INFO L448 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2018-11-23 13:40:20,676 INFO L448 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-11-23 13:40:20,676 INFO L448 ceAbstractionStarter]: For program point mainErr24ASSERT_VIOLATIONERROR_FUNCTION(line 33) no Hoare annotation was computed. [2018-11-23 13:40:20,676 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:40:20,676 INFO L448 ceAbstractionStarter]: For program point L38(line 38) no Hoare annotation was computed. [2018-11-23 13:40:20,676 INFO L448 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-11-23 13:40:20,676 INFO L448 ceAbstractionStarter]: For program point L38-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:40:20,676 INFO L448 ceAbstractionStarter]: For program point L5-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:40:20,676 INFO L448 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2018-11-23 13:40:20,676 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-23 13:40:20,676 INFO L448 ceAbstractionStarter]: For program point mainErr19ASSERT_VIOLATIONERROR_FUNCTION(line 28) no Hoare annotation was computed. [2018-11-23 13:40:20,677 INFO L448 ceAbstractionStarter]: For program point L22-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:40:20,677 INFO L448 ceAbstractionStarter]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2018-11-23 13:40:20,677 INFO L448 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2018-11-23 13:40:20,677 INFO L448 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-11-23 13:40:20,677 INFO L448 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2018-11-23 13:40:20,680 INFO L448 ceAbstractionStarter]: For program point L39-2(lines 2 40) no Hoare annotation was computed. [2018-11-23 13:40:20,680 INFO L448 ceAbstractionStarter]: For program point L6-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:40:20,680 INFO L448 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2018-11-23 13:40:20,680 INFO L448 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-11-23 13:40:20,680 INFO L448 ceAbstractionStarter]: For program point L23-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:40:20,680 INFO L448 ceAbstractionStarter]: For program point L7(line 7) no Hoare annotation was computed. [2018-11-23 13:40:20,680 INFO L448 ceAbstractionStarter]: For program point L7-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:40:20,680 INFO L448 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-11-23 13:40:20,681 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:40:20,681 INFO L448 ceAbstractionStarter]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 22) no Hoare annotation was computed. [2018-11-23 13:40:20,681 INFO L448 ceAbstractionStarter]: For program point L8(line 8) no Hoare annotation was computed. [2018-11-23 13:40:20,681 INFO L448 ceAbstractionStarter]: For program point L8-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:40:20,681 INFO L448 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2018-11-23 13:40:20,681 INFO L448 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2018-11-23 13:40:20,681 INFO L448 ceAbstractionStarter]: For program point L9(line 9) no Hoare annotation was computed. [2018-11-23 13:40:20,681 INFO L448 ceAbstractionStarter]: For program point L9-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:40:20,681 INFO L448 ceAbstractionStarter]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 18) no Hoare annotation was computed. [2018-11-23 13:40:20,682 INFO L448 ceAbstractionStarter]: For program point mainErr27ASSERT_VIOLATIONERROR_FUNCTION(line 37) no Hoare annotation was computed. [2018-11-23 13:40:20,682 INFO L448 ceAbstractionStarter]: For program point L10(line 10) no Hoare annotation was computed. [2018-11-23 13:40:20,682 INFO L448 ceAbstractionStarter]: For program point L10-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:40:20,682 INFO L448 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-11-23 13:40:20,682 INFO L448 ceAbstractionStarter]: For program point L27-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:40:20,682 INFO L448 ceAbstractionStarter]: For program point L11(line 11) no Hoare annotation was computed. [2018-11-23 13:40:20,682 INFO L448 ceAbstractionStarter]: For program point L11-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:40:20,682 INFO L448 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2018-11-23 13:40:20,682 INFO L448 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2018-11-23 13:40:20,683 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 13:40:20,683 INFO L448 ceAbstractionStarter]: For program point L28-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:40:20,683 INFO L448 ceAbstractionStarter]: For program point L12(line 12) no Hoare annotation was computed. [2018-11-23 13:40:20,683 INFO L448 ceAbstractionStarter]: For program point L12-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:40:20,683 INFO L448 ceAbstractionStarter]: For program point mainErr25ASSERT_VIOLATIONERROR_FUNCTION(line 34) no Hoare annotation was computed. [2018-11-23 13:40:20,683 INFO L448 ceAbstractionStarter]: For program point L29(line 29) no Hoare annotation was computed. [2018-11-23 13:40:20,683 INFO L448 ceAbstractionStarter]: For program point L29-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:40:20,683 INFO L448 ceAbstractionStarter]: For program point mainErr26ASSERT_VIOLATIONERROR_FUNCTION(line 36) no Hoare annotation was computed. [2018-11-23 13:40:20,683 INFO L448 ceAbstractionStarter]: For program point mainErr20ASSERT_VIOLATIONERROR_FUNCTION(line 29) no Hoare annotation was computed. [2018-11-23 13:40:20,683 INFO L448 ceAbstractionStarter]: For program point L13(line 13) no Hoare annotation was computed. [2018-11-23 13:40:20,684 INFO L448 ceAbstractionStarter]: For program point L13-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:40:20,684 INFO L448 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-11-23 13:40:20,684 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 2 40) the Hoare annotation is: true [2018-11-23 13:40:20,684 INFO L448 ceAbstractionStarter]: For program point L30-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:40:20,684 INFO L448 ceAbstractionStarter]: For program point mainErr22ASSERT_VIOLATIONERROR_FUNCTION(line 31) no Hoare annotation was computed. [2018-11-23 13:40:20,684 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 13:40:20,684 INFO L448 ceAbstractionStarter]: For program point L31-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:40:20,684 INFO L448 ceAbstractionStarter]: For program point mainErr16ASSERT_VIOLATIONERROR_FUNCTION(line 23) no Hoare annotation was computed. [2018-11-23 13:40:20,684 INFO L448 ceAbstractionStarter]: For program point L32(line 32) no Hoare annotation was computed. [2018-11-23 13:40:20,684 INFO L448 ceAbstractionStarter]: For program point L32-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:40:20,685 INFO L448 ceAbstractionStarter]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2018-11-23 13:40:20,685 INFO L448 ceAbstractionStarter]: For program point L16(line 16) no Hoare annotation was computed. [2018-11-23 13:40:20,685 INFO L448 ceAbstractionStarter]: For program point L16-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:40:20,685 INFO L448 ceAbstractionStarter]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2018-11-23 13:40:20,685 INFO L448 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-11-23 13:40:20,685 INFO L448 ceAbstractionStarter]: For program point L33-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:40:20,685 INFO L448 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 11) no Hoare annotation was computed. [2018-11-23 13:40:20,685 INFO L448 ceAbstractionStarter]: For program point mainErr21ASSERT_VIOLATIONERROR_FUNCTION(line 30) no Hoare annotation was computed. [2018-11-23 13:40:20,685 INFO L448 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2018-11-23 13:40:20,685 INFO L448 ceAbstractionStarter]: For program point L17-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:40:20,686 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 13:40:20,686 INFO L448 ceAbstractionStarter]: For program point L34-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:40:20,686 INFO L448 ceAbstractionStarter]: For program point mainErr29ASSERT_VIOLATIONERROR_FUNCTION(line 39) no Hoare annotation was computed. [2018-11-23 13:40:20,686 INFO L448 ceAbstractionStarter]: For program point mainErr23ASSERT_VIOLATIONERROR_FUNCTION(line 32) no Hoare annotation was computed. [2018-11-23 13:40:20,686 INFO L448 ceAbstractionStarter]: For program point mainErr28ASSERT_VIOLATIONERROR_FUNCTION(line 38) no Hoare annotation was computed. [2018-11-23 13:40:20,686 INFO L448 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-11-23 13:40:20,686 INFO L448 ceAbstractionStarter]: For program point L18-2(lines 3 40) no Hoare annotation was computed. [2018-11-23 13:40:20,686 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-11-23 13:40:20,686 INFO L448 ceAbstractionStarter]: For program point mainErr18ASSERT_VIOLATIONERROR_FUNCTION(line 27) no Hoare annotation was computed. [2018-11-23 13:40:20,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:40:20 BoogieIcfgContainer [2018-11-23 13:40:20,689 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 13:40:20,689 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:40:20,689 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:40:20,690 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:40:20,690 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:40:20" (3/4) ... [2018-11-23 13:40:20,692 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 13:40:20,696 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 13:40:20,697 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 13:40:20,700 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 13:40:20,700 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 13:40:20,700 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:40:20,740 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5003451a-7b21-43c3-885e-3b45da01b128/bin-2019/utaipan/witness.graphml [2018-11-23 13:40:20,740 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:40:20,741 INFO L168 Benchmark]: Toolchain (without parser) took 765.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -144.9 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-11-23 13:40:20,742 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:40:20,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 190.95 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 13:40:20,742 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.94 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:40:20,743 INFO L168 Benchmark]: Boogie Preprocessor took 23.42 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:40:20,743 INFO L168 Benchmark]: RCFGBuilder took 252.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -198.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2018-11-23 13:40:20,743 INFO L168 Benchmark]: TraceAbstraction took 225.35 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: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. [2018-11-23 13:40:20,743 INFO L168 Benchmark]: Witness Printer took 50.85 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: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-11-23 13:40:20,745 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 190.95 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.94 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.42 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 252.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -198.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 225.35 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: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. * Witness Printer took 50.85 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: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 13]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 18]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 23]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 27]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 37]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 34]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 33]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 28]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 38]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 29]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 39]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 32]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 10]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 16]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 20]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 22]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 24]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 21]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 30]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 9]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 11]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 19]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 36]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 31]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 98 locations, 30 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 37 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred 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, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 12 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...