./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/sum02-1.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_74fc4beb-d8fb-4c7d-aaee-a198eb4b6d5b/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_74fc4beb-d8fb-4c7d-aaee-a198eb4b6d5b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_74fc4beb-d8fb-4c7d-aaee-a198eb4b6d5b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_74fc4beb-d8fb-4c7d-aaee-a198eb4b6d5b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/sum02-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_74fc4beb-d8fb-4c7d-aaee-a198eb4b6d5b/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_74fc4beb-d8fb-4c7d-aaee-a198eb4b6d5b/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 ac7d4175c94552e4f21f509ea6e5d5d560923b89 ................................................................................................................................................................................................................................... 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 20:17:00,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:17:00,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:17:00,284 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:17:00,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:17:00,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:17:00,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:17:00,304 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:17:00,306 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:17:00,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:17:00,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:17:00,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:17:00,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:17:00,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:17:00,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:17:00,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:17:00,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:17:00,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:17:00,322 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:17:00,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:17:00,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:17:00,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:17:00,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:17:00,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:17:00,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:17:00,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:17:00,337 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:17:00,338 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:17:00,339 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:17:00,340 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:17:00,341 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:17:00,342 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:17:00,343 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:17:00,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:17:00,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:17:00,346 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:17:00,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:17:00,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:17:00,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:17:00,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:17:00,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:17:00,351 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_74fc4beb-d8fb-4c7d-aaee-a198eb4b6d5b/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-11-29 20:17:00,381 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:17:00,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:17:00,385 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:17:00,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:17:00,385 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 20:17:00,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:17:00,386 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:17:00,386 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 20:17:00,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:17:00,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:17:00,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:17:00,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:17:00,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:17:00,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:17:00,389 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-29 20:17:00,389 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:17:00,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:17:00,390 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:17:00,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:17:00,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:17:00,391 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 20:17:00,391 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:17:00,391 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 20:17:00,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 20:17:00,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:17:00,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:17:00,392 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:17:00,393 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 20:17:00,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:17:00,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:17:00,393 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 20:17:00,394 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_74fc4beb-d8fb-4c7d-aaee-a198eb4b6d5b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_74fc4beb-d8fb-4c7d-aaee-a198eb4b6d5b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac7d4175c94552e4f21f509ea6e5d5d560923b89 [2020-11-29 20:17:00,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:17:00,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:17:00,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:17:00,799 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:17:00,800 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:17:00,802 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_74fc4beb-d8fb-4c7d-aaee-a198eb4b6d5b/bin/uautomizer/../../sv-benchmarks/c/bitvector/sum02-1.c [2020-11-29 20:17:00,893 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_74fc4beb-d8fb-4c7d-aaee-a198eb4b6d5b/bin/uautomizer/data/cf14d45a8/a3899c7073224e9eafe766b7d28be448/FLAG883fed93d [2020-11-29 20:17:01,550 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:17:01,552 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_74fc4beb-d8fb-4c7d-aaee-a198eb4b6d5b/sv-benchmarks/c/bitvector/sum02-1.c [2020-11-29 20:17:01,565 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_74fc4beb-d8fb-4c7d-aaee-a198eb4b6d5b/bin/uautomizer/data/cf14d45a8/a3899c7073224e9eafe766b7d28be448/FLAG883fed93d [2020-11-29 20:17:01,915 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_74fc4beb-d8fb-4c7d-aaee-a198eb4b6d5b/bin/uautomizer/data/cf14d45a8/a3899c7073224e9eafe766b7d28be448 [2020-11-29 20:17:01,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:17:01,923 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:17:01,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:17:01,926 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:17:01,930 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:17:01,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:17:01" (1/1) ... [2020-11-29 20:17:01,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43b680fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:17:01, skipping insertion in model container [2020-11-29 20:17:01,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:17:01" (1/1) ... [2020-11-29 20:17:01,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:17:01,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:17:02,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:17:02,202 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:17:02,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:17:02,244 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:17:02,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:17:02 WrapperNode [2020-11-29 20:17:02,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:17:02,247 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:17:02,247 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:17:02,247 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:17:02,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:17:02" (1/1) ... [2020-11-29 20:17:02,265 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:17:02" (1/1) ... [2020-11-29 20:17:02,285 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:17:02,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:17:02,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:17:02,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:17:02,296 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:17:02" (1/1) ... [2020-11-29 20:17:02,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:17:02" (1/1) ... [2020-11-29 20:17:02,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:17:02" (1/1) ... [2020-11-29 20:17:02,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:17:02" (1/1) ... [2020-11-29 20:17:02,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:17:02" (1/1) ... [2020-11-29 20:17:02,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:17:02" (1/1) ... [2020-11-29 20:17:02,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:17:02" (1/1) ... [2020-11-29 20:17:02,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:17:02,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:17:02,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:17:02,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:17:02,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:17:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_74fc4beb-d8fb-4c7d-aaee-a198eb4b6d5b/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 20:17:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:17:02,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:17:02,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:17:02,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:17:02,813 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:17:02,814 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 20:17:02,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:17:02 BoogieIcfgContainer [2020-11-29 20:17:02,817 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:17:02,821 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 20:17:02,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 20:17:02,825 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 20:17:02,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 08:17:01" (1/3) ... [2020-11-29 20:17:02,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3286991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:17:02, skipping insertion in model container [2020-11-29 20:17:02,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:17:02" (2/3) ... [2020-11-29 20:17:02,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3286991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:17:02, skipping insertion in model container [2020-11-29 20:17:02,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:17:02" (3/3) ... [2020-11-29 20:17:02,830 INFO L111 eAbstractionObserver]: Analyzing ICFG sum02-1.c [2020-11-29 20:17:02,843 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 20:17:02,848 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-11-29 20:17:02,862 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-11-29 20:17:02,905 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 20:17:02,905 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 20:17:02,905 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 20:17:02,906 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 20:17:02,906 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 20:17:02,906 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 20:17:02,907 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 20:17:02,907 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 20:17:02,925 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2020-11-29 20:17:02,933 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 20:17:02,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-11-29 20:17:02,999 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 20:17:02,999 INFO L274 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed. [2020-11-29 20:17:03,000 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 20:17:03,000 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 20:17:03,000 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 20:17:03,000 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 20:17:03,000 INFO L274 CegarLoopResult]: For program point L14-2(lines 14 16) no Hoare annotation was computed. [2020-11-29 20:17:03,001 INFO L277 CegarLoopResult]: At program point L14-3(lines 14 16) the Hoare annotation is: true [2020-11-29 20:17:03,001 INFO L274 CegarLoopResult]: For program point L14-4(lines 14 16) no Hoare annotation was computed. [2020-11-29 20:17:03,001 INFO L274 CegarLoopResult]: For program point L6(lines 6 8) no Hoare annotation was computed. [2020-11-29 20:17:03,002 INFO L277 CegarLoopResult]: At program point L6-2(lines 1 18) the Hoare annotation is: true [2020-11-29 20:17:03,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 08:17:03 BoogieIcfgContainer [2020-11-29 20:17:03,012 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 20:17:03,013 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:17:03,013 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:17:03,014 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:17:03,014 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:17:02" (3/4) ... [2020-11-29 20:17:03,019 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 20:17:03,034 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 20:17:03,035 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 20:17:03,035 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:17:03,036 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:17:03,120 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_74fc4beb-d8fb-4c7d-aaee-a198eb4b6d5b/bin/uautomizer/witness.graphml [2020-11-29 20:17:03,121 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:17:03,123 INFO L168 Benchmark]: Toolchain (without parser) took 1198.47 ms. Allocated memory is still 130.0 MB. Free memory was 99.9 MB in the beginning and 84.1 MB in the end (delta: 15.8 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2020-11-29 20:17:03,129 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 86.0 MB. Free memory was 44.6 MB in the beginning and 44.5 MB in the end (delta: 46.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:17:03,130 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.04 ms. Allocated memory is still 130.0 MB. Free memory was 99.6 MB in the beginning and 108.0 MB in the end (delta: -8.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 20:17:03,131 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.95 ms. Allocated memory is still 130.0 MB. Free memory was 108.0 MB in the beginning and 106.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:17:03,132 INFO L168 Benchmark]: Boogie Preprocessor took 24.69 ms. Allocated memory is still 130.0 MB. Free memory was 106.6 MB in the beginning and 105.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:17:03,133 INFO L168 Benchmark]: RCFGBuilder took 505.68 ms. Allocated memory is still 130.0 MB. Free memory was 105.1 MB in the beginning and 94.1 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 20:17:03,133 INFO L168 Benchmark]: TraceAbstraction took 190.35 ms. Allocated memory is still 130.0 MB. Free memory was 94.1 MB in the beginning and 87.0 MB in the end (delta: 7.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:17:03,134 INFO L168 Benchmark]: Witness Printer took 107.73 ms. Allocated memory is still 130.0 MB. Free memory was 87.0 MB in the beginning and 84.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:17:03,139 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 86.0 MB. Free memory was 44.6 MB in the beginning and 44.5 MB in the end (delta: 46.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 320.04 ms. Allocated memory is still 130.0 MB. Free memory was 99.6 MB in the beginning and 108.0 MB in the end (delta: -8.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.95 ms. Allocated memory is still 130.0 MB. Free memory was 108.0 MB in the beginning and 106.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.69 ms. Allocated memory is still 130.0 MB. Free memory was 106.6 MB in the beginning and 105.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 505.68 ms. Allocated memory is still 130.0 MB. Free memory was 105.1 MB in the beginning and 94.1 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 190.35 ms. Allocated memory is still 130.0 MB. Free memory was 94.1 MB in the beginning and 87.0 MB in the end (delta: 7.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Witness Printer took 107.73 ms. Allocated memory is still 130.0 MB. Free memory was 87.0 MB in the beginning and 84.1 MB in the end (delta: 2.9 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. - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 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=11occurred 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...