./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id2_b5_o10.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_208b498c-1cea-4df8-a9d0-82fcaf1699f2/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_208b498c-1cea-4df8-a9d0-82fcaf1699f2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_208b498c-1cea-4df8-a9d0-82fcaf1699f2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_208b498c-1cea-4df8-a9d0-82fcaf1699f2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/id2_b5_o10.c -s /tmp/vcloud-vcloud-master/worker/run_dir_208b498c-1cea-4df8-a9d0-82fcaf1699f2/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_208b498c-1cea-4df8-a9d0-82fcaf1699f2/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 aea35f6fe28f2a249b678370b7d0543ee4b994af .................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:00:51,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:00:51,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:00:51,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:00:51,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:00:51,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:00:51,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:00:51,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:00:51,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:00:51,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:00:51,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:00:51,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:00:51,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:00:51,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:00:51,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:00:51,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:00:51,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:00:51,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:00:51,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:00:51,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:00:51,227 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:00:51,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:00:51,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:00:51,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:00:51,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:00:51,236 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:00:51,237 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:00:51,238 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:00:51,239 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:00:51,240 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:00:51,241 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:00:51,242 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:00:51,243 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:00:51,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:00:51,245 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:00:51,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:00:51,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:00:51,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:00:51,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:00:51,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:00:51,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:00:51,264 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_208b498c-1cea-4df8-a9d0-82fcaf1699f2/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-11-28 03:00:51,308 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:00:51,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:00:51,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:00:51,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:00:51,317 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:00:51,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:00:51,317 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:00:51,318 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:00:51,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:00:51,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:00:51,319 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:00:51,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:00:51,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:00:51,320 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:00:51,320 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 03:00:51,321 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:00:51,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:00:51,321 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:00:51,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:00:51,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:00:51,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:00:51,322 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:00:51,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:00:51,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:00:51,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:00:51,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:00:51,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:00:51,324 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:00:51,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:00:51,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:00:51,325 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:00:51,325 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_208b498c-1cea-4df8-a9d0-82fcaf1699f2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_208b498c-1cea-4df8-a9d0-82fcaf1699f2/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aea35f6fe28f2a249b678370b7d0543ee4b994af [2020-11-28 03:00:51,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:00:51,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:00:51,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:00:51,694 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:00:51,695 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:00:51,696 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_208b498c-1cea-4df8-a9d0-82fcaf1699f2/bin/uautomizer/../../sv-benchmarks/c/recursive-simple/id2_b5_o10.c [2020-11-28 03:00:51,816 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_208b498c-1cea-4df8-a9d0-82fcaf1699f2/bin/uautomizer/data/2954d95f1/8b0efc08a2ff4d0bada27ff8c5d4f987/FLAG623569e4e [2020-11-28 03:00:52,377 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:00:52,378 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_208b498c-1cea-4df8-a9d0-82fcaf1699f2/sv-benchmarks/c/recursive-simple/id2_b5_o10.c [2020-11-28 03:00:52,391 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_208b498c-1cea-4df8-a9d0-82fcaf1699f2/bin/uautomizer/data/2954d95f1/8b0efc08a2ff4d0bada27ff8c5d4f987/FLAG623569e4e [2020-11-28 03:00:52,719 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_208b498c-1cea-4df8-a9d0-82fcaf1699f2/bin/uautomizer/data/2954d95f1/8b0efc08a2ff4d0bada27ff8c5d4f987 [2020-11-28 03:00:52,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:00:52,725 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:00:52,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:00:52,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:00:52,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:00:52,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:00:52" (1/1) ... [2020-11-28 03:00:52,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24b0c646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:52, skipping insertion in model container [2020-11-28 03:00:52,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:00:52" (1/1) ... [2020-11-28 03:00:52,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:00:52,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:00:53,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:00:53,037 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:00:53,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:00:53,088 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:00:53,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:53 WrapperNode [2020-11-28 03:00:53,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:00:53,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:00:53,091 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:00:53,093 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:00:53,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:53" (1/1) ... [2020-11-28 03:00:53,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:53" (1/1) ... [2020-11-28 03:00:53,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:00:53,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:00:53,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:00:53,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:00:53,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:53" (1/1) ... [2020-11-28 03:00:53,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:53" (1/1) ... [2020-11-28 03:00:53,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:53" (1/1) ... [2020-11-28 03:00:53,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:53" (1/1) ... [2020-11-28 03:00:53,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:53" (1/1) ... [2020-11-28 03:00:53,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:53" (1/1) ... [2020-11-28 03:00:53,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:53" (1/1) ... [2020-11-28 03:00:53,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:00:53,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:00:53,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:00:53,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:00:53,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_208b498c-1cea-4df8-a9d0-82fcaf1699f2/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:00:53,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:00:53,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:00:53,263 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2020-11-28 03:00:53,264 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2020-11-28 03:00:53,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:00:53,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:00:53,264 INFO L130 BoogieDeclarations]: Found specification of procedure id [2020-11-28 03:00:53,265 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2020-11-28 03:00:53,603 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:00:53,603 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-28 03:00:53,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:00:53 BoogieIcfgContainer [2020-11-28 03:00:53,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:00:53,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:00:53,618 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:00:53,622 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:00:53,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:00:52" (1/3) ... [2020-11-28 03:00:53,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c9c7e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:00:53, skipping insertion in model container [2020-11-28 03:00:53,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:00:53" (2/3) ... [2020-11-28 03:00:53,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c9c7e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:00:53, skipping insertion in model container [2020-11-28 03:00:53,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:00:53" (3/3) ... [2020-11-28 03:00:53,627 INFO L111 eAbstractionObserver]: Analyzing ICFG id2_b5_o10.c [2020-11-28 03:00:53,652 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:00:53,672 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-11-28 03:00:53,688 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-11-28 03:00:53,741 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:00:53,741 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:00:53,741 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:00:53,741 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:00:53,741 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:00:53,741 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:00:53,742 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:00:53,742 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:00:53,769 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-11-28 03:00:53,779 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:00:53,787 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 24 states. [2020-11-28 03:00:53,927 INFO L274 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2020-11-28 03:00:53,928 INFO L274 CegarLoopResult]: For program point L18-1(line 18) no Hoare annotation was computed. [2020-11-28 03:00:53,928 INFO L274 CegarLoopResult]: For program point id2EXIT(lines 16 21) no Hoare annotation was computed. [2020-11-28 03:00:53,928 INFO L277 CegarLoopResult]: At program point id2ENTRY(lines 16 21) the Hoare annotation is: true [2020-11-28 03:00:53,928 INFO L274 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed. [2020-11-28 03:00:53,929 INFO L274 CegarLoopResult]: For program point id2FINAL(lines 16 21) no Hoare annotation was computed. [2020-11-28 03:00:53,929 INFO L277 CegarLoopResult]: At program point L18(line 18) the Hoare annotation is: true [2020-11-28 03:00:53,929 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:00:53,929 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:00:53,929 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:00:53,930 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:00:53,930 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-11-28 03:00:53,930 INFO L274 CegarLoopResult]: For program point L26(lines 26 28) no Hoare annotation was computed. [2020-11-28 03:00:53,932 INFO L277 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: true [2020-11-28 03:00:53,932 INFO L274 CegarLoopResult]: For program point L25-1(line 25) no Hoare annotation was computed. [2020-11-28 03:00:53,932 INFO L274 CegarLoopResult]: For program point L23(lines 23 29) no Hoare annotation was computed. [2020-11-28 03:00:53,933 INFO L274 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-11-28 03:00:53,933 INFO L274 CegarLoopResult]: For program point idFINAL(lines 9 14) no Hoare annotation was computed. [2020-11-28 03:00:53,934 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-11-28 03:00:53,934 INFO L277 CegarLoopResult]: At program point L11(line 11) the Hoare annotation is: true [2020-11-28 03:00:53,934 INFO L274 CegarLoopResult]: For program point idEXIT(lines 9 14) no Hoare annotation was computed. [2020-11-28 03:00:53,934 INFO L274 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-11-28 03:00:53,935 INFO L274 CegarLoopResult]: For program point L11-1(line 11) no Hoare annotation was computed. [2020-11-28 03:00:53,935 INFO L277 CegarLoopResult]: At program point idENTRY(lines 9 14) the Hoare annotation is: true [2020-11-28 03:00:53,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:00:53 BoogieIcfgContainer [2020-11-28 03:00:53,941 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:00:53,942 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:00:53,942 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:00:53,943 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:00:53,944 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:00:53" (3/4) ... [2020-11-28 03:00:53,949 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:00:53,957 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2020-11-28 03:00:53,958 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2020-11-28 03:00:53,964 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-28 03:00:53,965 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 03:00:53,965 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:00:53,966 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:00:54,044 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_208b498c-1cea-4df8-a9d0-82fcaf1699f2/bin/uautomizer/witness.graphml [2020-11-28 03:00:54,044 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:00:54,046 INFO L168 Benchmark]: Toolchain (without parser) took 1320.41 ms. Allocated memory is still 111.1 MB. Free memory was 78.1 MB in the beginning and 62.7 MB in the end (delta: 15.3 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:54,047 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 69.2 MB. Free memory was 45.5 MB in the beginning and 45.4 MB in the end (delta: 29.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:00:54,048 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.80 ms. Allocated memory is still 111.1 MB. Free memory was 77.8 MB in the beginning and 88.8 MB in the end (delta: -11.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:54,049 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.21 ms. Allocated memory is still 111.1 MB. Free memory was 88.8 MB in the beginning and 87.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:54,054 INFO L168 Benchmark]: Boogie Preprocessor took 33.52 ms. Allocated memory is still 111.1 MB. Free memory was 87.3 MB in the beginning and 86.7 MB in the end (delta: 574.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:00:54,055 INFO L168 Benchmark]: RCFGBuilder took 437.77 ms. Allocated memory is still 111.1 MB. Free memory was 86.7 MB in the beginning and 74.2 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:54,056 INFO L168 Benchmark]: TraceAbstraction took 333.07 ms. Allocated memory is still 111.1 MB. Free memory was 73.6 MB in the beginning and 65.2 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:54,057 INFO L168 Benchmark]: Witness Printer took 102.07 ms. Allocated memory is still 111.1 MB. Free memory was 65.2 MB in the beginning and 62.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:00:54,066 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 69.2 MB. Free memory was 45.5 MB in the beginning and 45.4 MB in the end (delta: 29.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 362.80 ms. Allocated memory is still 111.1 MB. Free memory was 77.8 MB in the beginning and 88.8 MB in the end (delta: -11.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.21 ms. Allocated memory is still 111.1 MB. Free memory was 88.8 MB in the beginning and 87.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.52 ms. Allocated memory is still 111.1 MB. Free memory was 87.3 MB in the beginning and 86.7 MB in the end (delta: 574.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 437.77 ms. Allocated memory is still 111.1 MB. Free memory was 86.7 MB in the beginning and 74.2 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 333.07 ms. Allocated memory is still 111.1 MB. Free memory was 73.6 MB in the beginning and 65.2 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Witness Printer took 102.07 ms. Allocated memory is still 111.1 MB. Free memory was 65.2 MB in the beginning and 62.7 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 3 procedures, 24 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 5 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...