./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/sum_non_eq-2.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_2be2a5d7-d60e-47ad-8245-7e6b942ef4a3/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2be2a5d7-d60e-47ad-8245-7e6b942ef4a3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2be2a5d7-d60e-47ad-8245-7e6b942ef4a3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2be2a5d7-d60e-47ad-8245-7e6b942ef4a3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/sum_non_eq-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2be2a5d7-d60e-47ad-8245-7e6b942ef4a3/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2be2a5d7-d60e-47ad-8245-7e6b942ef4a3/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 d08ec045f3070a7b4be2ee6fb5c0f639f90e227f ....................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 18:20:09,156 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:20:09,160 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:20:09,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:20:09,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:20:09,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:20:09,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:20:09,234 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:20:09,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:20:09,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:20:09,257 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:20:09,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:20:09,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:20:09,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:20:09,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:20:09,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:20:09,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:20:09,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:20:09,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:20:09,299 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:20:09,303 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:20:09,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:20:09,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:20:09,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:20:09,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:20:09,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:20:09,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:20:09,332 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:20:09,333 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:20:09,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:20:09,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:20:09,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:20:09,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:20:09,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:20:09,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:20:09,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:20:09,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:20:09,347 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:20:09,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:20:09,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:20:09,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:20:09,352 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2be2a5d7-d60e-47ad-8245-7e6b942ef4a3/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-11-29 18:20:09,391 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:20:09,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:20:09,394 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:20:09,396 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:20:09,396 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:20:09,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:20:09,397 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:20:09,398 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 18:20:09,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:20:09,398 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:20:09,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:20:09,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:20:09,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:20:09,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:20:09,402 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-29 18:20:09,402 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:20:09,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:20:09,403 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:20:09,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:20:09,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:20:09,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:20:09,404 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:20:09,405 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:20:09,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:20:09,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:20:09,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:20:09,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:20:09,406 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:20:09,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:20:09,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:20:09,407 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:20:09,408 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_2be2a5d7-d60e-47ad-8245-7e6b942ef4a3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2be2a5d7-d60e-47ad-8245-7e6b942ef4a3/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d08ec045f3070a7b4be2ee6fb5c0f639f90e227f [2020-11-29 18:20:09,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:20:09,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:20:09,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:20:09,862 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:20:09,866 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:20:09,867 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2be2a5d7-d60e-47ad-8245-7e6b942ef4a3/bin/uautomizer/../../sv-benchmarks/c/recursive-simple/sum_non_eq-2.c [2020-11-29 18:20:10,025 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2be2a5d7-d60e-47ad-8245-7e6b942ef4a3/bin/uautomizer/data/5fd91427e/5d9ffd3b07aa4549a38c0acdd937704d/FLAG21815cb89 [2020-11-29 18:20:10,738 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:20:10,739 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2be2a5d7-d60e-47ad-8245-7e6b942ef4a3/sv-benchmarks/c/recursive-simple/sum_non_eq-2.c [2020-11-29 18:20:10,757 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2be2a5d7-d60e-47ad-8245-7e6b942ef4a3/bin/uautomizer/data/5fd91427e/5d9ffd3b07aa4549a38c0acdd937704d/FLAG21815cb89 [2020-11-29 18:20:11,058 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2be2a5d7-d60e-47ad-8245-7e6b942ef4a3/bin/uautomizer/data/5fd91427e/5d9ffd3b07aa4549a38c0acdd937704d [2020-11-29 18:20:11,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:20:11,069 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:20:11,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:20:11,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:20:11,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:20:11,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:20:11" (1/1) ... [2020-11-29 18:20:11,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20f658c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:20:11, skipping insertion in model container [2020-11-29 18:20:11,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:20:11" (1/1) ... [2020-11-29 18:20:11,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:20:11,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:20:11,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:20:11,384 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:20:11,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:20:11,455 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:20:11,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:20:11 WrapperNode [2020-11-29 18:20:11,456 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:20:11,462 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:20:11,462 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:20:11,465 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:20:11,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:20:11" (1/1) ... [2020-11-29 18:20:11,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:20:11" (1/1) ... [2020-11-29 18:20:11,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:20:11,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:20:11,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:20:11,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:20:11,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:20:11" (1/1) ... [2020-11-29 18:20:11,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:20:11" (1/1) ... [2020-11-29 18:20:11,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:20:11" (1/1) ... [2020-11-29 18:20:11,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:20:11" (1/1) ... [2020-11-29 18:20:11,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:20:11" (1/1) ... [2020-11-29 18:20:11,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:20:11" (1/1) ... [2020-11-29 18:20:11,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:20:11" (1/1) ... [2020-11-29 18:20:11,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:20:11,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:20:11,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:20:11,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:20:11,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:20:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2be2a5d7-d60e-47ad-8245-7e6b942ef4a3/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 [2020-11-29 18:20:11,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:20:11,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:20:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2020-11-29 18:20:11,665 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2020-11-29 18:20:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:20:11,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:20:11,962 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:20:11,977 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-29 18:20:11,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:20:11 BoogieIcfgContainer [2020-11-29 18:20:11,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:20:11,983 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 18:20:11,983 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 18:20:12,002 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 18:20:12,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:20:11" (1/3) ... [2020-11-29 18:20:12,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77b4717d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:20:12, skipping insertion in model container [2020-11-29 18:20:12,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:20:11" (2/3) ... [2020-11-29 18:20:12,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77b4717d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:20:12, skipping insertion in model container [2020-11-29 18:20:12,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:20:11" (3/3) ... [2020-11-29 18:20:12,009 INFO L111 eAbstractionObserver]: Analyzing ICFG sum_non_eq-2.c [2020-11-29 18:20:12,025 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 18:20:12,032 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-11-29 18:20:12,050 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-11-29 18:20:12,092 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 18:20:12,093 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 18:20:12,093 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 18:20:12,093 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:20:12,093 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:20:12,093 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 18:20:12,094 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:20:12,094 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 18:20:12,112 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2020-11-29 18:20:12,119 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 18:20:12,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 16 states. [2020-11-29 18:20:12,216 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 18:20:12,216 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 18:20:12,216 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 18:20:12,216 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 18:20:12,216 INFO L274 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed. [2020-11-29 18:20:12,217 INFO L274 CegarLoopResult]: For program point L18(lines 18 20) no Hoare annotation was computed. [2020-11-29 18:20:12,217 INFO L277 CegarLoopResult]: At program point L17(line 17) the Hoare annotation is: true [2020-11-29 18:20:12,217 INFO L274 CegarLoopResult]: For program point L17-1(line 17) no Hoare annotation was computed. [2020-11-29 18:20:12,217 INFO L274 CegarLoopResult]: For program point L14(lines 14 21) no Hoare annotation was computed. [2020-11-29 18:20:12,218 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-11-29 18:20:12,218 INFO L274 CegarLoopResult]: For program point sumEXIT(lines 6 12) no Hoare annotation was computed. [2020-11-29 18:20:12,218 INFO L277 CegarLoopResult]: At program point L10(line 10) the Hoare annotation is: true [2020-11-29 18:20:12,218 INFO L274 CegarLoopResult]: For program point L10-1(line 10) no Hoare annotation was computed. [2020-11-29 18:20:12,219 INFO L274 CegarLoopResult]: For program point L7(lines 7 11) no Hoare annotation was computed. [2020-11-29 18:20:12,219 INFO L274 CegarLoopResult]: For program point sumFINAL(lines 6 12) no Hoare annotation was computed. [2020-11-29 18:20:12,219 INFO L277 CegarLoopResult]: At program point sumENTRY(lines 6 12) the Hoare annotation is: true [2020-11-29 18:20:12,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:20:12 BoogieIcfgContainer [2020-11-29 18:20:12,228 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 18:20:12,229 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:20:12,229 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:20:12,230 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:20:12,230 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:20:11" (3/4) ... [2020-11-29 18:20:12,234 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 18:20:12,245 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sum [2020-11-29 18:20:12,251 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-29 18:20:12,251 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 18:20:12,251 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:20:12,252 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:20:12,317 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2be2a5d7-d60e-47ad-8245-7e6b942ef4a3/bin/uautomizer/witness.graphml [2020-11-29 18:20:12,317 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:20:12,320 INFO L168 Benchmark]: Toolchain (without parser) took 1249.89 ms. Allocated memory is still 81.8 MB. Free memory was 51.2 MB in the beginning and 37.5 MB in the end (delta: 13.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2020-11-29 18:20:12,321 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 81.8 MB. Free memory was 41.6 MB in the beginning and 41.5 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:20:12,323 INFO L168 Benchmark]: CACSL2BoogieTranslator took 379.86 ms. Allocated memory is still 81.8 MB. Free memory was 51.1 MB in the beginning and 61.7 MB in the end (delta: -10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:20:12,324 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.52 ms. Allocated memory is still 81.8 MB. Free memory was 61.7 MB in the beginning and 60.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:20:12,325 INFO L168 Benchmark]: Boogie Preprocessor took 26.54 ms. Allocated memory is still 81.8 MB. Free memory was 60.3 MB in the beginning and 59.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:20:12,328 INFO L168 Benchmark]: RCFGBuilder took 421.57 ms. Allocated memory is still 81.8 MB. Free memory was 59.2 MB in the beginning and 48.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:20:12,332 INFO L168 Benchmark]: TraceAbstraction took 245.31 ms. Allocated memory is still 81.8 MB. Free memory was 47.7 MB in the beginning and 40.0 MB in the end (delta: 7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:20:12,334 INFO L168 Benchmark]: Witness Printer took 88.63 ms. Allocated memory is still 81.8 MB. Free memory was 40.0 MB in the beginning and 37.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:20:12,344 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 81.8 MB. Free memory was 41.6 MB in the beginning and 41.5 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 379.86 ms. Allocated memory is still 81.8 MB. Free memory was 51.1 MB in the beginning and 61.7 MB in the end (delta: -10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 68.52 ms. Allocated memory is still 81.8 MB. Free memory was 61.7 MB in the beginning and 60.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.54 ms. Allocated memory is still 81.8 MB. Free memory was 60.3 MB in the beginning and 59.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 421.57 ms. Allocated memory is still 81.8 MB. Free memory was 59.2 MB in the beginning and 48.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 245.31 ms. Allocated memory is still 81.8 MB. Free memory was 47.7 MB in the beginning and 40.0 MB in the end (delta: 7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Witness Printer took 88.63 ms. Allocated memory is still 81.8 MB. Free memory was 40.0 MB in the beginning and 37.5 MB in the end (delta: 2.5 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 2 procedures, 16 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=16occurred 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, 3 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 3 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 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...