./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/termination-crafted/RecursiveNonterminating-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/termination-crafted/RecursiveNonterminating-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 f21f1881350863de740f7b7321104b53617dd8ce ......................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:17:55,357 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:17:55,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:17:55,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:17:55,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:17:55,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:17:55,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:17:55,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:17:55,424 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:17:55,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:17:55,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:17:55,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:17:55,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:17:55,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:17:55,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:17:55,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:17:55,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:17:55,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:17:55,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:17:55,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:17:55,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:17:55,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:17:55,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:17:55,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:17:55,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:17:55,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:17:55,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:17:55,463 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:17:55,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:17:55,464 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:17:55,464 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:17:55,465 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:17:55,466 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:17:55,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:17:55,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:17:55,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:17:55,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:17:55,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:17:55,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:17:55,470 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:17:55,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:17:55,471 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-10-20 06:17:55,493 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:17:55,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:17:55,495 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:17:55,495 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:17:55,495 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:17:55,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:17:55,496 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:17:55,496 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:17:55,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:17:55,497 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:17:55,497 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:17:55,497 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:17:55,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:17:55,498 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:17:55,498 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:17:55,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:17:55,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:17:55,499 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:17:55,499 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:17:55,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:17:55,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:17:55,500 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:17:55,500 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:17:55,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:17:55,501 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:17:55,501 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> f21f1881350863de740f7b7321104b53617dd8ce [2020-10-20 06:17:55,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:17:55,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:17:55,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:17:55,764 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:17:55,764 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:17:55,765 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/RecursiveNonterminating-1.c [2020-10-20 06:17:55,851 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc6935ec4/2291188eff18404ead9dddace05b32f0/FLAG01694edb2 [2020-10-20 06:17:56,355 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:17:56,356 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/RecursiveNonterminating-1.c [2020-10-20 06:17:56,365 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc6935ec4/2291188eff18404ead9dddace05b32f0/FLAG01694edb2 [2020-10-20 06:17:56,708 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc6935ec4/2291188eff18404ead9dddace05b32f0 [2020-10-20 06:17:56,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:17:56,718 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:17:56,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:17:56,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:17:56,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:17:56,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:17:56" (1/1) ... [2020-10-20 06:17:56,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75fdfe92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:56, skipping insertion in model container [2020-10-20 06:17:56,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:17:56" (1/1) ... [2020-10-20 06:17:56,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:17:56,753 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:17:57,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:17:57,008 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:17:57,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:17:57,044 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:17:57,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:57 WrapperNode [2020-10-20 06:17:57,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:17:57,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:17:57,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:17:57,046 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:17:57,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:57" (1/1) ... [2020-10-20 06:17:57,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:57" (1/1) ... [2020-10-20 06:17:57,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:57" (1/1) ... [2020-10-20 06:17:57,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:57" (1/1) ... [2020-10-20 06:17:57,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:57" (1/1) ... [2020-10-20 06:17:57,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:57" (1/1) ... [2020-10-20 06:17:57,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:57" (1/1) ... [2020-10-20 06:17:57,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:17:57,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:17:57,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:17:57,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:17:57,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:17:57,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-20 06:17:57,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:17:57,142 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2020-10-20 06:17:57,143 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-20 06:17:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-20 06:17:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2020-10-20 06:17:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-20 06:17:57,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-20 06:17:57,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:17:57,302 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:17:57,302 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-20 06:17:57,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:17:57 BoogieIcfgContainer [2020-10-20 06:17:57,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:17:57,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 06:17:57,310 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 06:17:57,313 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 06:17:57,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:17:56" (1/3) ... [2020-10-20 06:17:57,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74d3f04c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:17:57, skipping insertion in model container [2020-10-20 06:17:57,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:17:57" (2/3) ... [2020-10-20 06:17:57,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74d3f04c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:17:57, skipping insertion in model container [2020-10-20 06:17:57,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:17:57" (3/3) ... [2020-10-20 06:17:57,316 INFO L111 eAbstractionObserver]: Analyzing ICFG RecursiveNonterminating-1.c [2020-10-20 06:17:57,328 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 06:17:57,335 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-10-20 06:17:57,349 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-10-20 06:17:57,370 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 06:17:57,370 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-20 06:17:57,370 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 06:17:57,370 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:17:57,370 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:17:57,370 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 06:17:57,371 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:17:57,371 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 06:17:57,386 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2020-10-20 06:17:57,396 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 06:17:57,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:17:57 BoogieIcfgContainer [2020-10-20 06:17:57,401 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 06:17:57,402 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:17:57,402 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:17:57,402 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:17:57,403 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:17:57" (3/4) ... [2020-10-20 06:17:57,407 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 06:17:57,414 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure rec [2020-10-20 06:17:57,414 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2020-10-20 06:17:57,414 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2020-10-20 06:17:57,418 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-10-20 06:17:57,418 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-10-20 06:17:57,418 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 06:17:57,457 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 06:17:57,457 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:17:57,459 INFO L168 Benchmark]: Toolchain (without parser) took 745.10 ms. Allocated memory was 35.7 MB in the beginning and 46.1 MB in the end (delta: 10.5 MB). Free memory was 15.6 MB in the beginning and 18.6 MB in the end (delta: -3.0 MB). Peak memory consumption was 7.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:57,460 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 33.6 MB. Free memory was 9.5 MB in the beginning and 9.5 MB in the end (delta: 43.6 kB). Peak memory consumption was 43.6 kB. Max. memory is 14.3 GB. [2020-10-20 06:17:57,461 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.32 ms. Allocated memory was 35.7 MB in the beginning and 44.6 MB in the end (delta: 8.9 MB). Free memory was 14.7 MB in the beginning and 27.1 MB in the end (delta: -12.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:57,461 INFO L168 Benchmark]: Boogie Preprocessor took 38.77 ms. Allocated memory is still 44.6 MB. Free memory was 27.1 MB in the beginning and 25.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:57,462 INFO L168 Benchmark]: RCFGBuilder took 219.72 ms. Allocated memory is still 44.6 MB. Free memory was 25.6 MB in the beginning and 16.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:57,463 INFO L168 Benchmark]: TraceAbstraction took 92.15 ms. Allocated memory is still 46.1 MB. Free memory was 27.3 MB in the beginning and 21.7 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:57,467 INFO L168 Benchmark]: Witness Printer took 54.87 ms. Allocated memory is still 46.1 MB. Free memory was 21.5 MB in the beginning and 18.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:17:57,471 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 33.6 MB. Free memory was 9.5 MB in the beginning and 9.5 MB in the end (delta: 43.6 kB). Peak memory consumption was 43.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 325.32 ms. Allocated memory was 35.7 MB in the beginning and 44.6 MB in the end (delta: 8.9 MB). Free memory was 14.7 MB in the beginning and 27.1 MB in the end (delta: -12.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 38.77 ms. Allocated memory is still 44.6 MB. Free memory was 27.1 MB in the beginning and 25.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. * RCFGBuilder took 219.72 ms. Allocated memory is still 44.6 MB. Free memory was 25.6 MB in the beginning and 16.3 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 14.3 GB. * TraceAbstraction took 92.15 ms. Allocated memory is still 46.1 MB. Free memory was 27.3 MB in the beginning and 21.7 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 14.3 GB. * Witness Printer took 54.87 ms. Allocated memory is still 46.1 MB. Free memory was 21.5 MB in the beginning and 18.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 14.3 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 4 procedures, 17 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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...