./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/sanfoundry_24_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_eaa01e16-9853-43ef-bd43-b07df140288d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_eaa01e16-9853-43ef-bd43-b07df140288d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_eaa01e16-9853-43ef-bd43-b07df140288d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_eaa01e16-9853-43ef-bd43-b07df140288d/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-examples/sanfoundry_24_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_eaa01e16-9853-43ef-bd43-b07df140288d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_eaa01e16-9853-43ef-bd43-b07df140288d/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 63b671e779f88a024ade70e8e63a2c2a737aca60 .......................................................................................................................................................................................................................................................................................................................................................................................... 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 15:17:26,094 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:17:26,095 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:17:26,101 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:17:26,101 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:17:26,102 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:17:26,103 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:17:26,104 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:17:26,105 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:17:26,106 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:17:26,106 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:17:26,107 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:17:26,107 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:17:26,108 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:17:26,109 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:17:26,109 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:17:26,110 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:17:26,111 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:17:26,113 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:17:26,114 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:17:26,114 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:17:26,115 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:17:26,117 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:17:26,117 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:17:26,117 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:17:26,118 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:17:26,118 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:17:26,119 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:17:26,120 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:17:26,120 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:17:26,120 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:17:26,121 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:17:26,121 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:17:26,121 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:17:26,122 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:17:26,123 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:17:26,123 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_eaa01e16-9853-43ef-bd43-b07df140288d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 15:17:26,133 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:17:26,133 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:17:26,133 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:17:26,134 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 15:17:26,134 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 15:17:26,134 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 15:17:26,134 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 15:17:26,134 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:17:26,135 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:17:26,135 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:17:26,135 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:17:26,135 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:17:26,135 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:17:26,135 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:17:26,135 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:17:26,136 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:17:26,136 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:17:26,136 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:17:26,136 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:17:26,136 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:17:26,136 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:17:26,136 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:17:26,137 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 15:17:26,137 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 15:17:26,137 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:17:26,137 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:17:26,137 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:17:26,137 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 15:17:26,137 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:17:26,138 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:17:26,138 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_eaa01e16-9853-43ef-bd43-b07df140288d/bin-2019/uautomizer 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 -> Automizer 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 -> 63b671e779f88a024ade70e8e63a2c2a737aca60 [2018-11-23 15:17:26,159 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:17:26,169 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:17:26,171 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:17:26,172 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:17:26,173 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:17:26,173 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_eaa01e16-9853-43ef-bd43-b07df140288d/bin-2019/uautomizer/../../sv-benchmarks/c/array-examples/sanfoundry_24_true-unreach-call_true-termination.i [2018-11-23 15:17:26,215 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eaa01e16-9853-43ef-bd43-b07df140288d/bin-2019/uautomizer/data/6264e4446/e5b9116f2bd84f6391c37b9e1d7d49d7/FLAGd0efd4c1a [2018-11-23 15:17:26,618 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:17:26,619 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_eaa01e16-9853-43ef-bd43-b07df140288d/sv-benchmarks/c/array-examples/sanfoundry_24_true-unreach-call_true-termination.i [2018-11-23 15:17:26,623 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eaa01e16-9853-43ef-bd43-b07df140288d/bin-2019/uautomizer/data/6264e4446/e5b9116f2bd84f6391c37b9e1d7d49d7/FLAGd0efd4c1a [2018-11-23 15:17:26,634 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_eaa01e16-9853-43ef-bd43-b07df140288d/bin-2019/uautomizer/data/6264e4446/e5b9116f2bd84f6391c37b9e1d7d49d7 [2018-11-23 15:17:26,637 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:17:26,638 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:17:26,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:17:26,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:17:26,642 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:17:26,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:17:26" (1/1) ... [2018-11-23 15:17:26,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77471743 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:26, skipping insertion in model container [2018-11-23 15:17:26,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:17:26" (1/1) ... [2018-11-23 15:17:26,653 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:17:26,665 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:17:26,766 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:17:26,768 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:17:26,779 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:17:26,790 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:17:26,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:26 WrapperNode [2018-11-23 15:17:26,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:17:26,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:17:26,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:17:26,791 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:17:26,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:26" (1/1) ... [2018-11-23 15:17:26,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:26" (1/1) ... [2018-11-23 15:17:26,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:17:26,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:17:26,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:17:26,805 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:17:26,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:26" (1/1) ... [2018-11-23 15:17:26,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:26" (1/1) ... [2018-11-23 15:17:26,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:26" (1/1) ... [2018-11-23 15:17:26,846 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:26" (1/1) ... [2018-11-23 15:17:26,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:26" (1/1) ... [2018-11-23 15:17:26,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:26" (1/1) ... [2018-11-23 15:17:26,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:26" (1/1) ... [2018-11-23 15:17:26,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:17:26,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:17:26,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:17:26,858 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:17:26,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eaa01e16-9853-43ef-bd43-b07df140288d/bin-2019/uautomizer/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 15:17:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 15:17:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 15:17:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 15:17:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure printOdd [2018-11-23 15:17:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure printOdd [2018-11-23 15:17:26,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:17:26,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:17:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 15:17:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure printEven [2018-11-23 15:17:26,896 INFO L138 BoogieDeclarations]: Found implementation of procedure printEven [2018-11-23 15:17:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 15:17:26,896 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 15:17:26,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 15:17:26,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 15:17:26,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 15:17:27,030 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:17:27,030 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 15:17:27,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:17:27 BoogieIcfgContainer [2018-11-23 15:17:27,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:17:27,031 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 15:17:27,031 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 15:17:27,034 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 15:17:27,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:17:26" (1/3) ... [2018-11-23 15:17:27,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6795df95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:17:27, skipping insertion in model container [2018-11-23 15:17:27,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:26" (2/3) ... [2018-11-23 15:17:27,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6795df95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:17:27, skipping insertion in model container [2018-11-23 15:17:27,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:17:27" (3/3) ... [2018-11-23 15:17:27,036 INFO L112 eAbstractionObserver]: Analyzing ICFG sanfoundry_24_true-unreach-call_true-termination.i [2018-11-23 15:17:27,044 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 15:17:27,048 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 15:17:27,057 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 15:17:27,075 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 15:17:27,076 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 15:17:27,076 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 15:17:27,076 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 15:17:27,076 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 15:17:27,076 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 15:17:27,076 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 15:17:27,076 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 15:17:27,077 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 15:17:27,090 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2018-11-23 15:17:27,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 15:17:27,095 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:17:27,095 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:17:27,097 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:17:27,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:17:27,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1836635640, now seen corresponding path program 1 times [2018-11-23 15:17:27,103 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:17:27,103 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:17:27,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:17:27,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:17:27,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:17:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:17:27,326 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 15:17:27,328 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:17:27,328 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 15:17:27,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 15:17:27,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 15:17:27,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 15:17:27,339 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 8 states. [2018-11-23 15:17:27,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:17:27,461 INFO L93 Difference]: Finished difference Result 70 states and 88 transitions. [2018-11-23 15:17:27,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 15:17:27,463 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2018-11-23 15:17:27,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:17:27,467 INFO L225 Difference]: With dead ends: 70 [2018-11-23 15:17:27,468 INFO L226 Difference]: Without dead ends: 35 [2018-11-23 15:17:27,470 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-11-23 15:17:27,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-11-23 15:17:27,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-11-23 15:17:27,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-11-23 15:17:27,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2018-11-23 15:17:27,499 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 14 [2018-11-23 15:17:27,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:17:27,499 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2018-11-23 15:17:27,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 15:17:27,499 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2018-11-23 15:17:27,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 15:17:27,500 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:17:27,500 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:17:27,500 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:17:27,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:17:27,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1211296837, now seen corresponding path program 1 times [2018-11-23 15:17:27,501 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:17:27,501 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:17:27,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:17:27,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:17:27,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:17:27,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:17:27,557 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 15:17:27,557 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:17:27,557 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 15:17:27,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 15:17:27,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 15:17:27,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 15:17:27,559 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand 5 states. [2018-11-23 15:17:27,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:17:27,586 INFO L93 Difference]: Finished difference Result 62 states and 71 transitions. [2018-11-23 15:17:27,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 15:17:27,587 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-11-23 15:17:27,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:17:27,588 INFO L225 Difference]: With dead ends: 62 [2018-11-23 15:17:27,588 INFO L226 Difference]: Without dead ends: 45 [2018-11-23 15:17:27,589 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 15:17:27,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-11-23 15:17:27,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 36. [2018-11-23 15:17:27,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-11-23 15:17:27,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2018-11-23 15:17:27,595 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 16 [2018-11-23 15:17:27,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:17:27,596 INFO L480 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2018-11-23 15:17:27,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 15:17:27,596 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2018-11-23 15:17:27,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 15:17:27,596 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 15:17:27,596 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 15:17:27,596 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 15:17:27,597 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:17:27,597 INFO L82 PathProgramCache]: Analyzing trace with hash 308392718, now seen corresponding path program 1 times [2018-11-23 15:17:27,597 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:17:27,597 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:17:27,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:17:27,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:17:27,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:17:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:17:27,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 15:17:27,691 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 15:17:27,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 15:17:27,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 15:17:27,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 15:17:27,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 15:17:27,692 INFO L87 Difference]: Start difference. First operand 36 states and 39 transitions. Second operand 8 states. [2018-11-23 15:17:27,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 15:17:27,774 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2018-11-23 15:17:27,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 15:17:27,775 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2018-11-23 15:17:27,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 15:17:27,775 INFO L225 Difference]: With dead ends: 36 [2018-11-23 15:17:27,775 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 15:17:27,776 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-11-23 15:17:27,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 15:17:27,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 15:17:27,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 15:17:27,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 15:17:27,777 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2018-11-23 15:17:27,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 15:17:27,777 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 15:17:27,777 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 15:17:27,777 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 15:17:27,777 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 15:17:27,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 15:17:27,829 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 15:17:27,829 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 15:17:27,829 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 15:17:27,829 INFO L451 ceAbstractionStarter]: At program point printOddENTRY(lines 7 9) the Hoare annotation is: true [2018-11-23 15:17:27,829 INFO L444 ceAbstractionStarter]: At program point L8(line 8) the Hoare annotation is: (or (<= (+ (* 2 (div printOdd_~i 2)) 1) printOdd_~i) (let ((.cse0 (+ |printOdd_#in~i| 1))) (< (* 2 (div .cse0 2)) .cse0))) [2018-11-23 15:17:27,830 INFO L448 ceAbstractionStarter]: For program point printOddFINAL(lines 7 9) no Hoare annotation was computed. [2018-11-23 15:17:27,830 INFO L448 ceAbstractionStarter]: For program point printOddEXIT(lines 7 9) no Hoare annotation was computed. [2018-11-23 15:17:27,830 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 15:17:27,830 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 15:17:27,830 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 15:17:27,830 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 15:17:27,830 INFO L448 ceAbstractionStarter]: For program point printEvenEXIT(lines 4 6) no Hoare annotation was computed. [2018-11-23 15:17:27,830 INFO L451 ceAbstractionStarter]: At program point printEvenENTRY(lines 4 6) the Hoare annotation is: true [2018-11-23 15:17:27,830 INFO L448 ceAbstractionStarter]: For program point printEvenFINAL(lines 4 6) no Hoare annotation was computed. [2018-11-23 15:17:27,831 INFO L444 ceAbstractionStarter]: At program point L5(line 5) the Hoare annotation is: (or (< (* 2 (div |printEven_#in~i| 2)) |printEven_#in~i|) (<= printEven_~i (* 2 (div printEven_~i 2)))) [2018-11-23 15:17:27,831 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 10 30) no Hoare annotation was computed. [2018-11-23 15:17:27,831 INFO L444 ceAbstractionStarter]: At program point L19(line 19) the Hoare annotation is: (<= |main_#t~mem3| (* 2 (div |main_#t~mem3| 2))) [2018-11-23 15:17:27,831 INFO L448 ceAbstractionStarter]: For program point L19-1(line 19) no Hoare annotation was computed. [2018-11-23 15:17:27,831 INFO L448 ceAbstractionStarter]: For program point L17(lines 17 20) no Hoare annotation was computed. [2018-11-23 15:17:27,831 INFO L448 ceAbstractionStarter]: For program point L15-2(lines 15 21) no Hoare annotation was computed. [2018-11-23 15:17:27,831 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 10 30) no Hoare annotation was computed. [2018-11-23 15:17:27,831 INFO L451 ceAbstractionStarter]: At program point L15-3(lines 15 21) the Hoare annotation is: true [2018-11-23 15:17:27,831 INFO L448 ceAbstractionStarter]: For program point L15-4(lines 15 21) no Hoare annotation was computed. [2018-11-23 15:17:27,831 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 10 30) the Hoare annotation is: true [2018-11-23 15:17:27,832 INFO L444 ceAbstractionStarter]: At program point L26(line 26) the Hoare annotation is: (let ((.cse0 (+ |main_#t~mem6| 1))) (<= .cse0 (* 2 (div .cse0 2)))) [2018-11-23 15:17:27,832 INFO L448 ceAbstractionStarter]: For program point L26-1(line 26) no Hoare annotation was computed. [2018-11-23 15:17:27,832 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 27) no Hoare annotation was computed. [2018-11-23 15:17:27,832 INFO L448 ceAbstractionStarter]: For program point L22-2(lines 22 28) no Hoare annotation was computed. [2018-11-23 15:17:27,832 INFO L451 ceAbstractionStarter]: At program point L22-3(lines 22 28) the Hoare annotation is: true [2018-11-23 15:17:27,832 INFO L448 ceAbstractionStarter]: For program point L22-4(lines 22 28) no Hoare annotation was computed. [2018-11-23 15:17:27,832 INFO L448 ceAbstractionStarter]: For program point L3-3(line 3) no Hoare annotation was computed. [2018-11-23 15:17:27,832 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(line 3) the Hoare annotation is: true [2018-11-23 15:17:27,832 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2018-11-23 15:17:27,832 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(line 3) no Hoare annotation was computed. [2018-11-23 15:17:27,832 INFO L448 ceAbstractionStarter]: For program point L3(line 3) no Hoare annotation was computed. [2018-11-23 15:17:27,833 INFO L448 ceAbstractionStarter]: For program point L3-1(line 3) no Hoare annotation was computed. [2018-11-23 15:17:27,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:17:27 BoogieIcfgContainer [2018-11-23 15:17:27,837 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 15:17:27,838 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:17:27,838 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:17:27,838 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:17:27,838 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:17:27" (3/4) ... [2018-11-23 15:17:27,841 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 15:17:27,845 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 15:17:27,845 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure printOdd [2018-11-23 15:17:27,845 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure printEven [2018-11-23 15:17:27,845 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 15:17:27,846 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-23 15:17:27,849 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-11-23 15:17:27,849 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 15:17:27,849 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 15:17:27,880 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_eaa01e16-9853-43ef-bd43-b07df140288d/bin-2019/uautomizer/witness.graphml [2018-11-23 15:17:27,881 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:17:27,881 INFO L168 Benchmark]: Toolchain (without parser) took 1243.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 958.1 MB in the beginning and 1.0 GB in the end (delta: -77.8 MB). Peak memory consumption was 74.2 MB. Max. memory is 11.5 GB. [2018-11-23 15:17:27,882 INFO L168 Benchmark]: CDTParser took 0.19 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 15:17:27,883 INFO L168 Benchmark]: CACSL2BoogieTranslator took 151.29 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 947.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:17:27,883 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.70 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:17:27,883 INFO L168 Benchmark]: Boogie Preprocessor took 52.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -202.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-11-23 15:17:27,884 INFO L168 Benchmark]: RCFGBuilder took 172.83 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: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2018-11-23 15:17:27,884 INFO L168 Benchmark]: TraceAbstraction took 806.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 91.0 MB). Peak memory consumption was 91.0 MB. Max. memory is 11.5 GB. [2018-11-23 15:17:27,884 INFO L168 Benchmark]: Witness Printer took 43.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-23 15:17:27,886 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 151.29 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 947.3 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 13.70 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -202.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 172.83 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: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 806.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 91.0 MB). Peak memory consumption was 91.0 MB. Max. memory is 11.5 GB. * Witness Printer took 43.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 36 locations, 1 error locations. SAFE Result, 0.7s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 92 SDtfs, 26 SDslu, 392 SDs, 0 SdLazy, 127 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred 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, 3 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 23 PreInvPairs, 29 NumberOfFragments, 65 HoareAnnotationTreeSize, 23 FomulaSimplifications, 12 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 20 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 2040 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 1/1 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...