./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Cairo_step2-3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_219d4fb3-c509-41ce-99d1-7e9f4bd62c49/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_219d4fb3-c509-41ce-99d1-7e9f4bd62c49/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_219d4fb3-c509-41ce-99d1-7e9f4bd62c49/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_219d4fb3-c509-41ce-99d1-7e9f4bd62c49/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted/Cairo_step2-3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_219d4fb3-c509-41ce-99d1-7e9f4bd62c49/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_219d4fb3-c509-41ce-99d1-7e9f4bd62c49/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 64bit --witnessprinter.graph.data.programhash a03b979f45aa8ba48949293cad74f586aed4b0e9 .................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:21:25,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:21:25,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:21:25,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:21:25,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:21:25,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:21:25,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:21:25,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:21:25,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:21:25,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:21:25,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:21:25,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:21:25,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:21:25,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:21:25,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:21:25,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:21:25,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:21:25,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:21:25,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:21:25,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:21:25,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:21:25,953 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:21:25,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:21:25,954 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:21:25,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:21:25,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:21:25,957 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:21:25,957 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:21:25,957 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:21:25,958 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:21:25,958 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:21:25,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:21:25,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:21:25,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:21:25,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:21:25,961 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:21:25,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:21:25,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:21:25,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:21:25,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:21:25,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:21:25,964 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_219d4fb3-c509-41ce-99d1-7e9f4bd62c49/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-12-07 17:21:25,976 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:21:25,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:21:25,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:21:25,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:21:25,977 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:21:25,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:21:25,978 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 17:21:25,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:21:25,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:21:25,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:21:25,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:21:25,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:21:25,979 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-12-07 17:21:25,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:21:25,979 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:21:25,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:21:25,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:21:25,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:21:25,979 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:21:25,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:21:25,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:21:25,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:21:25,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:21:25,980 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:21:25,980 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:21:25,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 17:21:25,981 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:21:25,981 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:21:25,981 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_219d4fb3-c509-41ce-99d1-7e9f4bd62c49/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a03b979f45aa8ba48949293cad74f586aed4b0e9 [2019-12-07 17:21:26,078 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:21:26,086 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:21:26,088 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:21:26,090 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:21:26,090 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:21:26,091 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_219d4fb3-c509-41ce-99d1-7e9f4bd62c49/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/Cairo_step2-3.c [2019-12-07 17:21:26,135 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_219d4fb3-c509-41ce-99d1-7e9f4bd62c49/bin/uautomizer/data/96580e4c3/b22ca47f116b4041b61b6f1ff7a1c35d/FLAGa0782b654 [2019-12-07 17:21:26,562 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:21:26,562 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_219d4fb3-c509-41ce-99d1-7e9f4bd62c49/sv-benchmarks/c/termination-crafted/Cairo_step2-3.c [2019-12-07 17:21:26,566 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_219d4fb3-c509-41ce-99d1-7e9f4bd62c49/bin/uautomizer/data/96580e4c3/b22ca47f116b4041b61b6f1ff7a1c35d/FLAGa0782b654 [2019-12-07 17:21:26,575 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_219d4fb3-c509-41ce-99d1-7e9f4bd62c49/bin/uautomizer/data/96580e4c3/b22ca47f116b4041b61b6f1ff7a1c35d [2019-12-07 17:21:26,577 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:21:26,577 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:21:26,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:21:26,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:21:26,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:21:26,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:21:26" (1/1) ... [2019-12-07 17:21:26,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4562956c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:21:26, skipping insertion in model container [2019-12-07 17:21:26,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:21:26" (1/1) ... [2019-12-07 17:21:26,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:21:26,597 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:21:26,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:21:26,694 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:21:26,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:21:26,742 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:21:26,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:21:26 WrapperNode [2019-12-07 17:21:26,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:21:26,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:21:26,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:21:26,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:21:26,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:21:26" (1/1) ... [2019-12-07 17:21:26,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:21:26" (1/1) ... [2019-12-07 17:21:26,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:21:26,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:21:26,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:21:26,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:21:26,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:21:26" (1/1) ... [2019-12-07 17:21:26,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:21:26" (1/1) ... [2019-12-07 17:21:26,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:21:26" (1/1) ... [2019-12-07 17:21:26,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:21:26" (1/1) ... [2019-12-07 17:21:26,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:21:26" (1/1) ... [2019-12-07 17:21:26,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:21:26" (1/1) ... [2019-12-07 17:21:26,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:21:26" (1/1) ... [2019-12-07 17:21:26,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:21:26,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:21:26,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:21:26,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:21:26,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:21:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_219d4fb3-c509-41ce-99d1-7e9f4bd62c49/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 [2019-12-07 17:21:26,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:21:26,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:21:26,891 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:21:26,891 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-07 17:21:26,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:21:26 BoogieIcfgContainer [2019-12-07 17:21:26,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:21:26,893 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:21:26,893 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:21:26,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:21:26,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:21:26" (1/3) ... [2019-12-07 17:21:26,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@409d68f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:21:26, skipping insertion in model container [2019-12-07 17:21:26,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:21:26" (2/3) ... [2019-12-07 17:21:26,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@409d68f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:21:26, skipping insertion in model container [2019-12-07 17:21:26,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:21:26" (3/3) ... [2019-12-07 17:21:26,897 INFO L109 eAbstractionObserver]: Analyzing ICFG Cairo_step2-3.c [2019-12-07 17:21:26,903 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:21:26,907 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-12-07 17:21:26,914 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-12-07 17:21:26,928 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:21:26,928 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:21:26,928 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:21:26,928 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:21:26,928 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:21:26,928 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:21:26,928 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:21:26,929 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:21:26,937 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-12-07 17:21:26,940 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 17:21:26,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 7 states. [2019-12-07 17:21:26,973 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 17:21:26,974 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 17:21:26,974 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 17:21:26,974 INFO L249 CegarLoopResult]: At program point L20(lines 11 21) the Hoare annotation is: true [2019-12-07 17:21:26,974 INFO L246 CegarLoopResult]: For program point L15(lines 15 19) no Hoare annotation was computed. [2019-12-07 17:21:26,974 INFO L249 CegarLoopResult]: At program point L16-2(lines 16 18) the Hoare annotation is: true [2019-12-07 17:21:26,974 INFO L246 CegarLoopResult]: For program point L15-1(lines 15 19) no Hoare annotation was computed. [2019-12-07 17:21:26,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:21:26 BoogieIcfgContainer [2019-12-07 17:21:26,979 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:21:26,980 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:21:26,980 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:21:26,980 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:21:26,980 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:21:26" (3/4) ... [2019-12-07 17:21:26,982 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 17:21:26,989 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-07 17:21:26,989 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 17:21:27,013 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_219d4fb3-c509-41ce-99d1-7e9f4bd62c49/bin/uautomizer/witness.graphml [2019-12-07 17:21:27,013 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:21:27,015 INFO L168 Benchmark]: Toolchain (without parser) took 437.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -117.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:21:27,015 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:21:27,016 INFO L168 Benchmark]: CACSL2BoogieTranslator took 164.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -145.6 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 17:21:27,016 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.45 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. [2019-12-07 17:21:27,016 INFO L168 Benchmark]: Boogie Preprocessor took 11.11 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. [2019-12-07 17:21:27,016 INFO L168 Benchmark]: RCFGBuilder took 118.65 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:21:27,017 INFO L168 Benchmark]: TraceAbstraction took 87.04 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:21:27,017 INFO L168 Benchmark]: Witness Printer took 33.64 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:21:27,019 INFO L335 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 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 164.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -145.6 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.45 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. * Boogie Preprocessor took 11.11 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. * RCFGBuilder took 118.65 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 87.04 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Witness Printer took 33.64 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 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. - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 0 error locations. Result: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred 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, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 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...