./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/MutualRecursion_1a.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_dfa30887-bf5b-4be4-9491-39ef569cdd7b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_dfa30887-bf5b-4be4-9491-39ef569cdd7b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_dfa30887-bf5b-4be4-9491-39ef569cdd7b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_dfa30887-bf5b-4be4-9491-39ef569cdd7b/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/MutualRecursion_1a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_dfa30887-bf5b-4be4-9491-39ef569cdd7b/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_dfa30887-bf5b-4be4-9491-39ef569cdd7b/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 c27ad91a5bec233234e07a14bfd5505e082df4cd ........................................................................................................................................................................................................... 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 10:45:04,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:45:04,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:45:04,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:45:04,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:45:04,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:45:04,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:45:04,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:45:04,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:45:04,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:45:04,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:45:04,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:45:04,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:45:04,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:45:04,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:45:04,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:45:04,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:45:04,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:45:04,562 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:45:04,564 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:45:04,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:45:04,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:45:04,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:45:04,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:45:04,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:45:04,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:45:04,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:45:04,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:45:04,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:45:04,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:45:04,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:45:04,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:45:04,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:45:04,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:45:04,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:45:04,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:45:04,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:45:04,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:45:04,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:45:04,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:45:04,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:45:04,577 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_dfa30887-bf5b-4be4-9491-39ef569cdd7b/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-12-07 10:45:04,589 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:45:04,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:45:04,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:45:04,590 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:45:04,591 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:45:04,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:45:04,591 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 10:45:04,591 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:45:04,591 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:45:04,592 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 10:45:04,592 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 10:45:04,592 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 10:45:04,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 10:45:04,592 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 10:45:04,592 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:45:04,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:45:04,593 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:45:04,593 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 10:45:04,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 10:45:04,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 10:45:04,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:45:04,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 10:45:04,594 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 10:45:04,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 10:45:04,594 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:45:04,594 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_dfa30887-bf5b-4be4-9491-39ef569cdd7b/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 -> c27ad91a5bec233234e07a14bfd5505e082df4cd [2019-12-07 10:45:04,695 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:45:04,706 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:45:04,708 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:45:04,710 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:45:04,710 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:45:04,711 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_dfa30887-bf5b-4be4-9491-39ef569cdd7b/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/MutualRecursion_1a.c [2019-12-07 10:45:04,757 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dfa30887-bf5b-4be4-9491-39ef569cdd7b/bin/uautomizer/data/b35fbe005/db3d76c138844b008d071b996c484681/FLAGbf6bfa746 [2019-12-07 10:45:05,163 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:45:05,164 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_dfa30887-bf5b-4be4-9491-39ef569cdd7b/sv-benchmarks/c/termination-crafted/MutualRecursion_1a.c [2019-12-07 10:45:05,167 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_dfa30887-bf5b-4be4-9491-39ef569cdd7b/bin/uautomizer/data/b35fbe005/db3d76c138844b008d071b996c484681/FLAGbf6bfa746 [2019-12-07 10:45:05,176 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_dfa30887-bf5b-4be4-9491-39ef569cdd7b/bin/uautomizer/data/b35fbe005/db3d76c138844b008d071b996c484681 [2019-12-07 10:45:05,178 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:45:05,179 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-07 10:45:05,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:45:05,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:45:05,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:45:05,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:45:05" (1/1) ... [2019-12-07 10:45:05,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39047d0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:45:05, skipping insertion in model container [2019-12-07 10:45:05,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:45:05" (1/1) ... [2019-12-07 10:45:05,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:45:05,199 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:45:05,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:45:05,295 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:45:05,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:45:05,346 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:45:05,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:45:05 WrapperNode [2019-12-07 10:45:05,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:45:05,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:45:05,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:45:05,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:45:05,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:45:05" (1/1) ... [2019-12-07 10:45:05,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:45:05" (1/1) ... [2019-12-07 10:45:05,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:45:05" (1/1) ... [2019-12-07 10:45:05,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:45:05" (1/1) ... [2019-12-07 10:45:05,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:45:05" (1/1) ... [2019-12-07 10:45:05,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:45:05" (1/1) ... [2019-12-07 10:45:05,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:45:05" (1/1) ... [2019-12-07 10:45:05,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:45:05,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:45:05,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:45:05,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:45:05,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:45:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_dfa30887-bf5b-4be4-9491-39ef569cdd7b/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 10:45:05,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-12-07 10:45:05,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:45:05,402 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-12-07 10:45:05,402 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-12-07 10:45:05,403 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-12-07 10:45:05,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-12-07 10:45:05,403 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-12-07 10:45:05,403 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-12-07 10:45:05,403 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-12-07 10:45:05,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-12-07 10:45:05,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:45:05,498 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:45:05,498 INFO L287 CfgBuilder]: Removed 0 assume(true) statements. [2019-12-07 10:45:05,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:45:05 BoogieIcfgContainer [2019-12-07 10:45:05,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:45:05,499 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 10:45:05,499 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 10:45:05,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 10:45:05,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 10:45:05" (1/3) ... [2019-12-07 10:45:05,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ae5e8e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:45:05, skipping insertion in model container [2019-12-07 10:45:05,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:45:05" (2/3) ... [2019-12-07 10:45:05,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ae5e8e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 10:45:05, skipping insertion in model container [2019-12-07 10:45:05,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:45:05" (3/3) ... [2019-12-07 10:45:05,503 INFO L109 eAbstractionObserver]: Analyzing ICFG MutualRecursion_1a.c [2019-12-07 10:45:05,509 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 10:45:05,513 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-12-07 10:45:05,520 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-12-07 10:45:05,532 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 10:45:05,532 INFO L374 AbstractCegarLoop]: Hoare is false [2019-12-07 10:45:05,532 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 10:45:05,532 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:45:05,532 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:45:05,532 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 10:45:05,533 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:45:05,533 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 10:45:05,542 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-12-07 10:45:05,548 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 10:45:05,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 10:45:05 BoogieIcfgContainer [2019-12-07 10:45:05,550 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 10:45:05,550 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:45:05,550 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:45:05,550 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:45:05,551 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:45:05" (3/4) ... [2019-12-07 10:45:05,553 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 10:45:05,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-12-07 10:45:05,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2019-12-07 10:45:05,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2019-12-07 10:45:05,558 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-12-07 10:45:05,561 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-12-07 10:45:05,561 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 10:45:05,561 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 10:45:05,590 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_dfa30887-bf5b-4be4-9491-39ef569cdd7b/bin/uautomizer/witness.graphml [2019-12-07 10:45:05,590 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:45:05,591 INFO L168 Benchmark]: Toolchain (without parser) took 412.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -122.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:45:05,591 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:45:05,592 INFO L168 Benchmark]: CACSL2BoogieTranslator took 166.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -150.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 10:45:05,592 INFO L168 Benchmark]: Boogie Preprocessor took 16.62 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 10:45:05,592 INFO L168 Benchmark]: RCFGBuilder took 135.57 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 10:45:05,593 INFO L168 Benchmark]: TraceAbstraction took 50.74 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 10:45:05,593 INFO L168 Benchmark]: Witness Printer took 39.56 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 10:45:05,594 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 166.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -150.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.62 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 135.57 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 50.74 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 39.56 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, 27 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=27occurred 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...