./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_17208767-2114-4dce-b682-981116bed8fe/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_17208767-2114-4dce-b682-981116bed8fe/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_17208767-2114-4dce-b682-981116bed8fe/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_17208767-2114-4dce-b682-981116bed8fe/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/id2_b5_o10.c -s /tmp/vcloud-vcloud-master/worker/run_dir_17208767-2114-4dce-b682-981116bed8fe/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_17208767-2114-4dce-b682-981116bed8fe/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 6f330f622534898bf170bbd5a7ac37bee3deb574 ...................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 15:08:01,216 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:08:01,217 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:08:01,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:08:01,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:08:01,225 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:08:01,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:08:01,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:08:01,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:08:01,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:08:01,230 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:08:01,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:08:01,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:08:01,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:08:01,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:08:01,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:08:01,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:08:01,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:08:01,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:08:01,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:08:01,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:08:01,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:08:01,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:08:01,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:08:01,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:08:01,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:08:01,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:08:01,242 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:08:01,243 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:08:01,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:08:01,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:08:01,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:08:01,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:08:01,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:08:01,245 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:08:01,245 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:08:01,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:08:01,246 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:08:01,246 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:08:01,246 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:08:01,247 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:08:01,247 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_17208767-2114-4dce-b682-981116bed8fe/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-12-07 15:08:01,256 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:08:01,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:08:01,257 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:08:01,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:08:01,257 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:08:01,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:08:01,258 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:08:01,258 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 15:08:01,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:08:01,258 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:08:01,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:08:01,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:08:01,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:08:01,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:08:01,258 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-12-07 15:08:01,259 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:08:01,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:08:01,259 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:08:01,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:08:01,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:08:01,259 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:08:01,259 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:08:01,259 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:08:01,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:08:01,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:08:01,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:08:01,260 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:08:01,260 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 15:08:01,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 15:08:01,260 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:08:01,260 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:08:01,260 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_17208767-2114-4dce-b682-981116bed8fe/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 -> 6f330f622534898bf170bbd5a7ac37bee3deb574 [2019-12-07 15:08:01,360 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:08:01,368 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:08:01,371 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:08:01,372 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:08:01,372 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:08:01,373 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_17208767-2114-4dce-b682-981116bed8fe/bin/uautomizer/../../sv-benchmarks/c/recursive-simple/id2_b5_o10.c [2019-12-07 15:08:01,412 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_17208767-2114-4dce-b682-981116bed8fe/bin/uautomizer/data/accfdde9b/6f8daf85ed134bfca52cb6262b7b7af1/FLAG9e9f9dc13 [2019-12-07 15:08:01,781 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:08:01,781 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_17208767-2114-4dce-b682-981116bed8fe/sv-benchmarks/c/recursive-simple/id2_b5_o10.c [2019-12-07 15:08:01,785 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_17208767-2114-4dce-b682-981116bed8fe/bin/uautomizer/data/accfdde9b/6f8daf85ed134bfca52cb6262b7b7af1/FLAG9e9f9dc13 [2019-12-07 15:08:02,187 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_17208767-2114-4dce-b682-981116bed8fe/bin/uautomizer/data/accfdde9b/6f8daf85ed134bfca52cb6262b7b7af1 [2019-12-07 15:08:02,189 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:08:02,190 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:08:02,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:08:02,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:08:02,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:08:02,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:08:02" (1/1) ... [2019-12-07 15:08:02,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5456badc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:08:02, skipping insertion in model container [2019-12-07 15:08:02,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:08:02" (1/1) ... [2019-12-07 15:08:02,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:08:02,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:08:02,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:08:02,326 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:08:02,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:08:02,377 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:08:02,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:08:02 WrapperNode [2019-12-07 15:08:02,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:08:02,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:08:02,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:08:02,378 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:08:02,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:08:02" (1/1) ... [2019-12-07 15:08:02,387 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:08:02" (1/1) ... [2019-12-07 15:08:02,397 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:08:02,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:08:02,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:08:02,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:08:02,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:08:02" (1/1) ... [2019-12-07 15:08:02,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:08:02" (1/1) ... [2019-12-07 15:08:02,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:08:02" (1/1) ... [2019-12-07 15:08:02,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:08:02" (1/1) ... [2019-12-07 15:08:02,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:08:02" (1/1) ... [2019-12-07 15:08:02,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:08:02" (1/1) ... [2019-12-07 15:08:02,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:08:02" (1/1) ... [2019-12-07 15:08:02,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:08:02,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:08:02,407 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:08:02,408 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:08:02,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:08:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17208767-2114-4dce-b682-981116bed8fe/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:08:02,448 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2019-12-07 15:08:02,448 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2019-12-07 15:08:02,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:08:02,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:08:02,448 INFO L130 BoogieDeclarations]: Found specification of procedure id [2019-12-07 15:08:02,449 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2019-12-07 15:08:02,546 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:08:02,546 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-07 15:08:02,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:08:02 BoogieIcfgContainer [2019-12-07 15:08:02,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:08:02,548 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:08:02,548 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:08:02,550 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:08:02,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:08:02" (1/3) ... [2019-12-07 15:08:02,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2896dc6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:08:02, skipping insertion in model container [2019-12-07 15:08:02,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:08:02" (2/3) ... [2019-12-07 15:08:02,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2896dc6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:08:02, skipping insertion in model container [2019-12-07 15:08:02,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:08:02" (3/3) ... [2019-12-07 15:08:02,552 INFO L109 eAbstractionObserver]: Analyzing ICFG id2_b5_o10.c [2019-12-07 15:08:02,558 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:08:02,562 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-12-07 15:08:02,570 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-12-07 15:08:02,585 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:08:02,585 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:08:02,585 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:08:02,585 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:08:02,585 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:08:02,585 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:08:02,585 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:08:02,585 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:08:02,596 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-12-07 15:08:02,599 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 15:08:02,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 22 states. [2019-12-07 15:08:02,639 INFO L246 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2019-12-07 15:08:02,640 INFO L249 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: true [2019-12-07 15:08:02,640 INFO L246 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed. [2019-12-07 15:08:02,640 INFO L246 CegarLoopResult]: For program point L16-1(line 16) no Hoare annotation was computed. [2019-12-07 15:08:02,640 INFO L246 CegarLoopResult]: For program point id2EXIT(lines 14 19) no Hoare annotation was computed. [2019-12-07 15:08:02,640 INFO L249 CegarLoopResult]: At program point id2ENTRY(lines 14 19) the Hoare annotation is: true [2019-12-07 15:08:02,640 INFO L246 CegarLoopResult]: For program point id2FINAL(lines 14 19) no Hoare annotation was computed. [2019-12-07 15:08:02,640 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 15:08:02,640 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 15:08:02,640 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 15:08:02,640 INFO L246 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2019-12-07 15:08:02,641 INFO L246 CegarLoopResult]: For program point L24(lines 24 26) no Hoare annotation was computed. [2019-12-07 15:08:02,641 INFO L249 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: true [2019-12-07 15:08:02,641 INFO L246 CegarLoopResult]: For program point L23-1(line 23) no Hoare annotation was computed. [2019-12-07 15:08:02,641 INFO L246 CegarLoopResult]: For program point L21(lines 21 27) no Hoare annotation was computed. [2019-12-07 15:08:02,641 INFO L246 CegarLoopResult]: For program point idFINAL(lines 7 12) no Hoare annotation was computed. [2019-12-07 15:08:02,641 INFO L246 CegarLoopResult]: For program point idEXIT(lines 7 12) no Hoare annotation was computed. [2019-12-07 15:08:02,641 INFO L246 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2019-12-07 15:08:02,641 INFO L249 CegarLoopResult]: At program point L9(line 9) the Hoare annotation is: true [2019-12-07 15:08:02,641 INFO L246 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2019-12-07 15:08:02,641 INFO L246 CegarLoopResult]: For program point L9-1(line 9) no Hoare annotation was computed. [2019-12-07 15:08:02,642 INFO L249 CegarLoopResult]: At program point idENTRY(lines 7 12) the Hoare annotation is: true [2019-12-07 15:08:02,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:08:02 BoogieIcfgContainer [2019-12-07 15:08:02,645 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:08:02,645 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:08:02,645 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:08:02,645 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:08:02,646 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:08:02" (3/4) ... [2019-12-07 15:08:02,648 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 15:08:02,653 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2019-12-07 15:08:02,653 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2019-12-07 15:08:02,657 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 15:08:02,657 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 15:08:02,687 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_17208767-2114-4dce-b682-981116bed8fe/bin/uautomizer/witness.graphml [2019-12-07 15:08:02,687 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:08:02,689 INFO L168 Benchmark]: Toolchain (without parser) took 498.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 74.4 MB). Free memory was 947.8 MB in the beginning and 1.0 GB in the end (delta: -87.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:08:02,689 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:08:02,689 INFO L168 Benchmark]: CACSL2BoogieTranslator took 186.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 74.4 MB). Free memory was 947.8 MB in the beginning and 1.1 GB in the end (delta: -124.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-12-07 15:08:02,690 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.92 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:08:02,690 INFO L168 Benchmark]: Boogie Preprocessor took 10.21 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:08:02,690 INFO L168 Benchmark]: RCFGBuilder took 139.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-12-07 15:08:02,690 INFO L168 Benchmark]: TraceAbstraction took 96.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 15:08:02,691 INFO L168 Benchmark]: Witness Printer took 42.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:08:02,692 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 186.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 74.4 MB). Free memory was 947.8 MB in the beginning and 1.1 GB in the end (delta: -124.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.92 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.21 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 139.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 96.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 42.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 22 locations, 0 error locations. Result: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 5 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...