./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id2_b2_o3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_77bba6bd-c912-408a-ac6f-cdac2340acca/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_77bba6bd-c912-408a-ac6f-cdac2340acca/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_77bba6bd-c912-408a-ac6f-cdac2340acca/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_77bba6bd-c912-408a-ac6f-cdac2340acca/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/id2_b2_o3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_77bba6bd-c912-408a-ac6f-cdac2340acca/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_77bba6bd-c912-408a-ac6f-cdac2340acca/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b0b05dcf763e887e9392537d1f8dbe5d5ee01cea .................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:05:07,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:05:07,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:05:07,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:05:07,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:05:07,857 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:05:07,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:05:07,861 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:05:07,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:05:07,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:05:07,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:05:07,867 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:05:07,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:05:07,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:05:07,870 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:05:07,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:05:07,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:05:07,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:05:07,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:05:07,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:05:07,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:05:07,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:05:07,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:05:07,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:05:07,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:05:07,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:05:07,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:05:07,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:05:07,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:05:07,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:05:07,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:05:07,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:05:07,898 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:05:07,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:05:07,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:05:07,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:05:07,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:05:07,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:05:07,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:05:07,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:05:07,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:05:07,910 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_77bba6bd-c912-408a-ac6f-cdac2340acca/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-11-28 03:05:07,948 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:05:07,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:05:07,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:05:07,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:05:07,950 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:05:07,954 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:05:07,954 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:05:07,954 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:05:07,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:05:07,955 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:05:07,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:05:07,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:05:07,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:05:07,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:05:07,957 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 03:05:07,957 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:05:07,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:05:07,957 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:05:07,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:05:07,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:05:07,958 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:05:07,958 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:05:07,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:05:07,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:05:07,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:05:07,959 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:05:07,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:05:07,960 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:05:07,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:05:07,960 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:05:07,960 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:05:07,960 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_77bba6bd-c912-408a-ac6f-cdac2340acca/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_77bba6bd-c912-408a-ac6f-cdac2340acca/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0b05dcf763e887e9392537d1f8dbe5d5ee01cea [2020-11-28 03:05:08,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:05:08,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:05:08,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:05:08,269 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:05:08,270 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:05:08,271 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_77bba6bd-c912-408a-ac6f-cdac2340acca/bin/uautomizer/../../sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2020-11-28 03:05:08,340 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_77bba6bd-c912-408a-ac6f-cdac2340acca/bin/uautomizer/data/36d7d83f6/c2653a3417b84ce79d70f307385e6397/FLAG4a59a8cc0 [2020-11-28 03:05:08,860 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:05:08,861 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_77bba6bd-c912-408a-ac6f-cdac2340acca/sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2020-11-28 03:05:08,866 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_77bba6bd-c912-408a-ac6f-cdac2340acca/bin/uautomizer/data/36d7d83f6/c2653a3417b84ce79d70f307385e6397/FLAG4a59a8cc0 [2020-11-28 03:05:09,200 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_77bba6bd-c912-408a-ac6f-cdac2340acca/bin/uautomizer/data/36d7d83f6/c2653a3417b84ce79d70f307385e6397 [2020-11-28 03:05:09,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:05:09,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:05:09,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:05:09,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:05:09,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:05:09,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:05:09" (1/1) ... [2020-11-28 03:05:09,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4db85bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:09, skipping insertion in model container [2020-11-28 03:05:09,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:05:09" (1/1) ... [2020-11-28 03:05:09,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:05:09,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:05:09,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:05:09,380 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:05:09,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:05:09,434 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:05:09,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:09 WrapperNode [2020-11-28 03:05:09,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:05:09,438 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:05:09,439 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:05:09,440 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:05:09,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:09" (1/1) ... [2020-11-28 03:05:09,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:09" (1/1) ... [2020-11-28 03:05:09,471 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:05:09,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:05:09,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:05:09,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:05:09,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:09" (1/1) ... [2020-11-28 03:05:09,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:09" (1/1) ... [2020-11-28 03:05:09,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:09" (1/1) ... [2020-11-28 03:05:09,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:09" (1/1) ... [2020-11-28 03:05:09,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:09" (1/1) ... [2020-11-28 03:05:09,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:09" (1/1) ... [2020-11-28 03:05:09,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:09" (1/1) ... [2020-11-28 03:05:09,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:05:09,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:05:09,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:05:09,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:05:09,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_77bba6bd-c912-408a-ac6f-cdac2340acca/bin/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 [2020-11-28 03:05:09,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:05:09,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:05:09,551 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2020-11-28 03:05:09,551 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2020-11-28 03:05:09,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:05:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:05:09,552 INFO L130 BoogieDeclarations]: Found specification of procedure id [2020-11-28 03:05:09,552 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2020-11-28 03:05:09,769 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:05:09,782 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-28 03:05:09,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:09 BoogieIcfgContainer [2020-11-28 03:05:09,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:05:09,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:05:09,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:05:09,790 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:05:09,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:05:09" (1/3) ... [2020-11-28 03:05:09,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4acda446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:05:09, skipping insertion in model container [2020-11-28 03:05:09,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:09" (2/3) ... [2020-11-28 03:05:09,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4acda446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:05:09, skipping insertion in model container [2020-11-28 03:05:09,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:09" (3/3) ... [2020-11-28 03:05:09,794 INFO L111 eAbstractionObserver]: Analyzing ICFG id2_b2_o3.c [2020-11-28 03:05:09,825 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:05:09,829 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-11-28 03:05:09,846 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-11-28 03:05:09,872 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:05:09,873 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:05:09,873 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:05:09,873 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:05:09,873 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:05:09,873 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:05:09,873 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:05:09,874 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:05:09,887 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-11-28 03:05:09,892 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:05:09,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 24 states. [2020-11-28 03:05:09,952 INFO L274 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2020-11-28 03:05:09,952 INFO L274 CegarLoopResult]: For program point L18-1(line 18) no Hoare annotation was computed. [2020-11-28 03:05:09,953 INFO L274 CegarLoopResult]: For program point id2EXIT(lines 16 21) no Hoare annotation was computed. [2020-11-28 03:05:09,953 INFO L277 CegarLoopResult]: At program point id2ENTRY(lines 16 21) the Hoare annotation is: true [2020-11-28 03:05:09,953 INFO L274 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed. [2020-11-28 03:05:09,953 INFO L274 CegarLoopResult]: For program point id2FINAL(lines 16 21) no Hoare annotation was computed. [2020-11-28 03:05:09,953 INFO L277 CegarLoopResult]: At program point L18(line 18) the Hoare annotation is: true [2020-11-28 03:05:09,953 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:05:09,954 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:05:09,954 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:05:09,954 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:05:09,954 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-11-28 03:05:09,954 INFO L274 CegarLoopResult]: For program point L26(lines 26 28) no Hoare annotation was computed. [2020-11-28 03:05:09,954 INFO L277 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: true [2020-11-28 03:05:09,954 INFO L274 CegarLoopResult]: For program point L25-1(line 25) no Hoare annotation was computed. [2020-11-28 03:05:09,954 INFO L274 CegarLoopResult]: For program point L23(lines 23 29) no Hoare annotation was computed. [2020-11-28 03:05:09,955 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-11-28 03:05:09,955 INFO L274 CegarLoopResult]: For program point idFINAL(lines 9 14) no Hoare annotation was computed. [2020-11-28 03:05:09,955 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 03:05:09,955 INFO L277 CegarLoopResult]: At program point L11(line 11) the Hoare annotation is: true [2020-11-28 03:05:09,955 INFO L274 CegarLoopResult]: For program point idEXIT(lines 9 14) no Hoare annotation was computed. [2020-11-28 03:05:09,955 INFO L274 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-11-28 03:05:09,955 INFO L274 CegarLoopResult]: For program point L11-1(line 11) no Hoare annotation was computed. [2020-11-28 03:05:09,956 INFO L277 CegarLoopResult]: At program point idENTRY(lines 9 14) the Hoare annotation is: true [2020-11-28 03:05:09,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:05:09 BoogieIcfgContainer [2020-11-28 03:05:09,974 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:05:09,975 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:05:09,975 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:05:09,976 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:05:09,976 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:09" (3/4) ... [2020-11-28 03:05:09,979 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:05:09,984 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2020-11-28 03:05:09,984 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2020-11-28 03:05:09,988 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-28 03:05:09,989 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:05:09,989 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:05:09,989 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:05:10,047 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_77bba6bd-c912-408a-ac6f-cdac2340acca/bin/uautomizer/witness.graphml [2020-11-28 03:05:10,054 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:05:10,056 INFO L168 Benchmark]: Toolchain (without parser) took 850.64 ms. Allocated memory is still 115.3 MB. Free memory was 90.8 MB in the beginning and 65.2 MB in the end (delta: 25.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:10,057 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 115.3 MB. Free memory was 73.4 MB in the beginning and 73.4 MB in the end (delta: 55.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:05:10,058 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.59 ms. Allocated memory is still 115.3 MB. Free memory was 90.8 MB in the beginning and 91.4 MB in the end (delta: -595.2 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:10,058 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.66 ms. Allocated memory is still 115.3 MB. Free memory was 91.4 MB in the beginning and 90.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:05:10,059 INFO L168 Benchmark]: Boogie Preprocessor took 17.96 ms. Allocated memory is still 115.3 MB. Free memory was 90.1 MB in the beginning and 89.3 MB in the end (delta: 824.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:05:10,060 INFO L168 Benchmark]: RCFGBuilder took 293.38 ms. Allocated memory is still 115.3 MB. Free memory was 88.9 MB in the beginning and 77.1 MB in the end (delta: 11.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:10,060 INFO L168 Benchmark]: TraceAbstraction took 189.19 ms. Allocated memory is still 115.3 MB. Free memory was 76.4 MB in the beginning and 68.0 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:10,061 INFO L168 Benchmark]: Witness Printer took 78.62 ms. Allocated memory is still 115.3 MB. Free memory was 68.0 MB in the beginning and 65.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:10,065 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 115.3 MB. Free memory was 73.4 MB in the beginning and 73.4 MB in the end (delta: 55.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 230.59 ms. Allocated memory is still 115.3 MB. Free memory was 90.8 MB in the beginning and 91.4 MB in the end (delta: -595.2 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.66 ms. Allocated memory is still 115.3 MB. Free memory was 91.4 MB in the beginning and 90.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 17.96 ms. Allocated memory is still 115.3 MB. Free memory was 90.1 MB in the beginning and 89.3 MB in the end (delta: 824.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 293.38 ms. Allocated memory is still 115.3 MB. Free memory was 88.9 MB in the beginning and 77.1 MB in the end (delta: 11.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 189.19 ms. Allocated memory is still 115.3 MB. Free memory was 76.4 MB in the beginning and 68.0 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Witness Printer took 78.62 ms. Allocated memory is still 115.3 MB. Free memory was 68.0 MB in the beginning and 65.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 24 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 5 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...