./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/NestedRecursion_1b.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_78be7d88-da1c-4fc0-ba61-d7853d375fad/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_78be7d88-da1c-4fc0-ba61-d7853d375fad/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_78be7d88-da1c-4fc0-ba61-d7853d375fad/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_78be7d88-da1c-4fc0-ba61-d7853d375fad/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/NestedRecursion_1b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_78be7d88-da1c-4fc0-ba61-d7853d375fad/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_78be7d88-da1c-4fc0-ba61-d7853d375fad/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cb528549fa76ae8087cf7043645dfa20323a0116 ........................................................................................................................................................................................................... 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 15:45:09,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:45:09,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:45:09,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:45:09,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:45:09,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:45:09,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:45:09,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:45:09,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:45:09,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:45:09,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:45:09,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:45:09,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:45:09,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:45:09,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:45:09,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:45:09,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:45:09,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:45:09,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:45:09,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:45:09,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:45:09,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:45:09,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:45:09,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:45:09,217 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:45:09,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:45:09,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:45:09,218 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:45:09,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:45:09,219 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:45:09,220 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:45:09,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:45:09,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:45:09,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:45:09,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:45:09,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:45:09,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:45:09,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:45:09,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:45:09,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:45:09,224 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:45:09,225 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_78be7d88-da1c-4fc0-ba61-d7853d375fad/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-12-07 15:45:09,236 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:45:09,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:45:09,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:45:09,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:45:09,238 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:45:09,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:45:09,238 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 15:45:09,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:45:09,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:45:09,238 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 15:45:09,239 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 15:45:09,239 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 15:45:09,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:45:09,239 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 15:45:09,239 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:45:09,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:45:09,240 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:45:09,240 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:45:09,240 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:45:09,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:45:09,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:45:09,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:45:09,240 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 15:45:09,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 15:45:09,241 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:45:09,241 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_78be7d88-da1c-4fc0-ba61-d7853d375fad/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb528549fa76ae8087cf7043645dfa20323a0116 [2019-12-07 15:45:09,349 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:45:09,359 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:45:09,361 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:45:09,362 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:45:09,362 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:45:09,363 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_78be7d88-da1c-4fc0-ba61-d7853d375fad/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/NestedRecursion_1b.c [2019-12-07 15:45:09,402 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_78be7d88-da1c-4fc0-ba61-d7853d375fad/bin/uautomizer/data/ef9ea3eb5/6d6ad15d451a4d419c9b40b15162f024/FLAG64fd3f668 [2019-12-07 15:45:09,772 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:45:09,772 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_78be7d88-da1c-4fc0-ba61-d7853d375fad/sv-benchmarks/c/termination-crafted/NestedRecursion_1b.c [2019-12-07 15:45:09,776 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_78be7d88-da1c-4fc0-ba61-d7853d375fad/bin/uautomizer/data/ef9ea3eb5/6d6ad15d451a4d419c9b40b15162f024/FLAG64fd3f668 [2019-12-07 15:45:10,187 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_78be7d88-da1c-4fc0-ba61-d7853d375fad/bin/uautomizer/data/ef9ea3eb5/6d6ad15d451a4d419c9b40b15162f024 [2019-12-07 15:45:10,191 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:45:10,193 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-07 15:45:10,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:45:10,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:45:10,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:45:10,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:45:10" (1/1) ... [2019-12-07 15:45:10,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b1b3f90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:45:10, skipping insertion in model container [2019-12-07 15:45:10,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:45:10" (1/1) ... [2019-12-07 15:45:10,209 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:45:10,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:45:10,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:45:10,312 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:45:10,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:45:10,362 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:45:10,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:45:10 WrapperNode [2019-12-07 15:45:10,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:45:10,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:45:10,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:45:10,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:45:10,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:45:10" (1/1) ... [2019-12-07 15:45:10,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:45:10" (1/1) ... [2019-12-07 15:45:10,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:45:10" (1/1) ... [2019-12-07 15:45:10,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:45:10" (1/1) ... [2019-12-07 15:45:10,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:45:10" (1/1) ... [2019-12-07 15:45:10,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:45:10" (1/1) ... [2019-12-07 15:45:10,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:45:10" (1/1) ... [2019-12-07 15:45:10,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:45:10,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:45:10,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:45:10,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:45:10,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:45:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_78be7d88-da1c-4fc0-ba61-d7853d375fad/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 15:45:10,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-12-07 15:45:10,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:45:10,420 INFO L138 BoogieDeclarations]: Found implementation of procedure rec1 [2019-12-07 15:45:10,420 INFO L138 BoogieDeclarations]: Found implementation of procedure rec2 [2019-12-07 15:45:10,420 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-12-07 15:45:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-12-07 15:45:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure rec1 [2019-12-07 15:45:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure rec2 [2019-12-07 15:45:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-12-07 15:45:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-12-07 15:45:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:45:10,524 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:45:10,524 INFO L287 CfgBuilder]: Removed 0 assume(true) statements. [2019-12-07 15:45:10,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:45:10 BoogieIcfgContainer [2019-12-07 15:45:10,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:45:10,525 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:45:10,525 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:45:10,528 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:45:10,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:45:10" (1/3) ... [2019-12-07 15:45:10,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a329813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:45:10, skipping insertion in model container [2019-12-07 15:45:10,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:45:10" (2/3) ... [2019-12-07 15:45:10,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a329813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:45:10, skipping insertion in model container [2019-12-07 15:45:10,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:45:10" (3/3) ... [2019-12-07 15:45:10,530 INFO L109 eAbstractionObserver]: Analyzing ICFG NestedRecursion_1b.c [2019-12-07 15:45:10,536 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:45:10,540 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-12-07 15:45:10,547 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-12-07 15:45:10,559 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:45:10,559 INFO L374 AbstractCegarLoop]: Hoare is false [2019-12-07 15:45:10,559 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:45:10,559 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:45:10,559 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:45:10,559 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:45:10,559 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:45:10,560 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:45:10,569 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2019-12-07 15:45:10,575 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 15:45:10,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:45:10 BoogieIcfgContainer [2019-12-07 15:45:10,577 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:45:10,578 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:45:10,578 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:45:10,578 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:45:10,578 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:45:10" (3/4) ... [2019-12-07 15:45:10,580 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 15:45:10,585 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-12-07 15:45:10,585 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rec1 [2019-12-07 15:45:10,585 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rec2 [2019-12-07 15:45:10,585 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-12-07 15:45:10,588 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-12-07 15:45:10,588 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 15:45:10,588 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 15:45:10,618 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_78be7d88-da1c-4fc0-ba61-d7853d375fad/bin/uautomizer/witness.graphml [2019-12-07 15:45:10,618 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:45:10,619 INFO L168 Benchmark]: Toolchain (without parser) took 427.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.8 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -118.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:45:10,620 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:45:10,620 INFO L168 Benchmark]: CACSL2BoogieTranslator took 168.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.8 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -149.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 15:45:10,620 INFO L168 Benchmark]: Boogie Preprocessor took 16.97 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: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-12-07 15:45:10,621 INFO L168 Benchmark]: RCFGBuilder took 144.59 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-12-07 15:45:10,621 INFO L168 Benchmark]: TraceAbstraction took 52.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:45:10,621 INFO L168 Benchmark]: Witness Printer took 40.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:45:10,623 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 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 168.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.8 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -149.9 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.97 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: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 144.59 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 52.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Witness Printer took 40.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 29 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=29occurred 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: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...