./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/NestedRecursion_1d.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_353dd9b0-ed63-4343-a611-7132907c7e47/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_353dd9b0-ed63-4343-a611-7132907c7e47/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_353dd9b0-ed63-4343-a611-7132907c7e47/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_353dd9b0-ed63-4343-a611-7132907c7e47/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/NestedRecursion_1d.c -s /tmp/vcloud-vcloud-master/worker/run_dir_353dd9b0-ed63-4343-a611-7132907c7e47/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_353dd9b0-ed63-4343-a611-7132907c7e47/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 0837a1e1d82be1b28ccf3514392f1b01c88a9160 ........................................................................................................................................................................................................... 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 18:44:44,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:44:44,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:44:44,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:44:44,275 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:44:44,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:44:44,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:44:44,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:44:44,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:44:44,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:44:44,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:44:44,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:44:44,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:44:44,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:44:44,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:44:44,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:44:44,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:44:44,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:44:44,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:44:44,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:44:44,289 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:44:44,290 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:44:44,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:44:44,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:44:44,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:44:44,292 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:44:44,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:44:44,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:44:44,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:44:44,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:44:44,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:44:44,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:44:44,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:44:44,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:44:44,296 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:44:44,296 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:44:44,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:44:44,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:44:44,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:44:44,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:44:44,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:44:44,298 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_353dd9b0-ed63-4343-a611-7132907c7e47/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-12-07 18:44:44,307 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:44:44,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:44:44,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:44:44,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:44:44,308 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:44:44,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:44:44,309 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 18:44:44,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:44:44,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:44:44,309 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 18:44:44,309 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 18:44:44,309 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 18:44:44,309 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:44:44,310 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 18:44:44,310 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:44:44,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:44:44,310 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:44:44,310 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:44:44,310 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:44:44,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:44:44,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:44:44,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:44:44,311 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:44:44,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 18:44:44,311 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:44:44,311 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_353dd9b0-ed63-4343-a611-7132907c7e47/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 -> 0837a1e1d82be1b28ccf3514392f1b01c88a9160 [2019-12-07 18:44:44,409 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:44:44,420 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:44:44,423 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:44:44,424 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:44:44,424 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:44:44,425 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_353dd9b0-ed63-4343-a611-7132907c7e47/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/NestedRecursion_1d.c [2019-12-07 18:44:44,469 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_353dd9b0-ed63-4343-a611-7132907c7e47/bin/uautomizer/data/94cc2c6c9/ba8722c17a984488925693496b7a4def/FLAG86c91bd49 [2019-12-07 18:44:44,785 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:44:44,786 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_353dd9b0-ed63-4343-a611-7132907c7e47/sv-benchmarks/c/termination-crafted/NestedRecursion_1d.c [2019-12-07 18:44:44,790 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_353dd9b0-ed63-4343-a611-7132907c7e47/bin/uautomizer/data/94cc2c6c9/ba8722c17a984488925693496b7a4def/FLAG86c91bd49 [2019-12-07 18:44:44,799 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_353dd9b0-ed63-4343-a611-7132907c7e47/bin/uautomizer/data/94cc2c6c9/ba8722c17a984488925693496b7a4def [2019-12-07 18:44:44,801 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:44:44,802 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-07 18:44:44,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:44:44,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:44:44,805 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:44:44,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:44:44" (1/1) ... [2019-12-07 18:44:44,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32d8fdf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:44, skipping insertion in model container [2019-12-07 18:44:44,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:44:44" (1/1) ... [2019-12-07 18:44:44,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:44:44,822 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:44:44,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:44:44,919 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:44:44,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:44:44,973 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:44:44,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:44 WrapperNode [2019-12-07 18:44:44,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:44:44,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:44:44,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:44:44,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:44:44,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:44" (1/1) ... [2019-12-07 18:44:44,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:44" (1/1) ... [2019-12-07 18:44:44,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:44" (1/1) ... [2019-12-07 18:44:44,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:44" (1/1) ... [2019-12-07 18:44:44,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:44" (1/1) ... [2019-12-07 18:44:44,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:44" (1/1) ... [2019-12-07 18:44:44,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:44" (1/1) ... [2019-12-07 18:44:44,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:44:44,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:44:44,992 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:44:44,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:44:44,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_353dd9b0-ed63-4343-a611-7132907c7e47/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 18:44:45,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-12-07 18:44:45,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:44:45,033 INFO L138 BoogieDeclarations]: Found implementation of procedure rec1 [2019-12-07 18:44:45,033 INFO L138 BoogieDeclarations]: Found implementation of procedure rec2 [2019-12-07 18:44:45,033 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-12-07 18:44:45,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-12-07 18:44:45,033 INFO L130 BoogieDeclarations]: Found specification of procedure rec1 [2019-12-07 18:44:45,033 INFO L130 BoogieDeclarations]: Found specification of procedure rec2 [2019-12-07 18:44:45,033 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-12-07 18:44:45,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-12-07 18:44:45,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:44:45,130 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:44:45,130 INFO L287 CfgBuilder]: Removed 0 assume(true) statements. [2019-12-07 18:44:45,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:44:45 BoogieIcfgContainer [2019-12-07 18:44:45,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:44:45,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:44:45,132 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:44:45,134 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:44:45,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:44:44" (1/3) ... [2019-12-07 18:44:45,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@167e1a46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:44:45, skipping insertion in model container [2019-12-07 18:44:45,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:44:44" (2/3) ... [2019-12-07 18:44:45,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@167e1a46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:44:45, skipping insertion in model container [2019-12-07 18:44:45,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:44:45" (3/3) ... [2019-12-07 18:44:45,136 INFO L109 eAbstractionObserver]: Analyzing ICFG NestedRecursion_1d.c [2019-12-07 18:44:45,142 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:44:45,146 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-12-07 18:44:45,153 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-12-07 18:44:45,165 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:44:45,165 INFO L374 AbstractCegarLoop]: Hoare is false [2019-12-07 18:44:45,165 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:44:45,165 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:44:45,165 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:44:45,165 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:44:45,165 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:44:45,165 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:44:45,174 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2019-12-07 18:44:45,181 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 18:44:45,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:44:45 BoogieIcfgContainer [2019-12-07 18:44:45,183 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:44:45,183 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:44:45,183 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:44:45,183 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:44:45,184 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:44:45" (3/4) ... [2019-12-07 18:44:45,186 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 18:44:45,190 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-12-07 18:44:45,191 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rec1 [2019-12-07 18:44:45,191 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rec2 [2019-12-07 18:44:45,191 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-12-07 18:44:45,194 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-12-07 18:44:45,194 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 18:44:45,194 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 18:44:45,224 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_353dd9b0-ed63-4343-a611-7132907c7e47/bin/uautomizer/witness.graphml [2019-12-07 18:44:45,224 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:44:45,226 INFO L168 Benchmark]: Toolchain (without parser) took 423.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -111.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:44:45,226 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:44:45,226 INFO L168 Benchmark]: CACSL2BoogieTranslator took 170.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -144.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 18:44:45,227 INFO L168 Benchmark]: Boogie Preprocessor took 17.82 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:44:45,227 INFO L168 Benchmark]: RCFGBuilder took 139.89 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 18:44:45,227 INFO L168 Benchmark]: TraceAbstraction took 51.05 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 18:44:45,227 INFO L168 Benchmark]: Witness Printer took 41.09 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: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. [2019-12-07 18:44:45,229 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 170.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -144.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.82 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 139.89 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 51.05 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 41.09 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: 9.0 MB). Peak memory consumption was 9.0 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...