./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/termination-crafted/Division-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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/Division-2.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 d089d3bcb050ed43a9f47a1e8909790d01358f90 ..................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:47:01,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:47:01,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:47:01,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:47:01,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:47:01,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:47:01,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:47:01,661 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:47:01,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:47:01,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:47:01,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:47:01,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:47:01,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:47:01,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:47:01,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:47:01,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:47:01,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:47:01,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:47:01,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:47:01,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:47:01,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:47:01,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:47:01,697 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:47:01,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:47:01,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:47:01,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:47:01,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:47:01,703 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:47:01,703 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:47:01,704 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:47:01,705 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:47:01,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:47:01,706 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:47:01,707 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:47:01,708 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:47:01,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:47:01,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:47:01,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:47:01,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:47:01,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:47:01,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:47:01,713 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-28 02:47:01,728 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:47:01,728 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:47:01,730 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:47:01,730 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:47:01,730 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:47:01,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:47:01,731 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:47:01,731 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:47:01,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:47:01,732 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 02:47:01,732 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 02:47:01,732 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 02:47:01,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:47:01,733 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 02:47:01,733 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:47:01,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:47:01,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:47:01,734 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:47:01,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:47:01,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:47:01,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:47:01,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:47:01,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:47:01,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 02:47:01,736 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 -> d089d3bcb050ed43a9f47a1e8909790d01358f90 [2019-11-28 02:47:02,049 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:47:02,073 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:47:02,076 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:47:02,078 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:47:02,078 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:47:02,079 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Division-2.c [2019-11-28 02:47:02,140 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbc4fc776/08f9a07865314f5bbe2bb51354df719f/FLAG2de52bf66 [2019-11-28 02:47:02,599 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:47:02,600 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Division-2.c [2019-11-28 02:47:02,609 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbc4fc776/08f9a07865314f5bbe2bb51354df719f/FLAG2de52bf66 [2019-11-28 02:47:02,955 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbc4fc776/08f9a07865314f5bbe2bb51354df719f [2019-11-28 02:47:02,958 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:47:02,960 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 02:47:02,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:47:02,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:47:02,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:47:02,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:47:02" (1/1) ... [2019-11-28 02:47:02,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb0deac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:02, skipping insertion in model container [2019-11-28 02:47:02,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:47:02" (1/1) ... [2019-11-28 02:47:02,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:47:02,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:47:03,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:47:03,240 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:47:03,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:47:03,273 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:47:03,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:03 WrapperNode [2019-11-28 02:47:03,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:47:03,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:47:03,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:47:03,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:47:03,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:03" (1/1) ... [2019-11-28 02:47:03,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:03" (1/1) ... [2019-11-28 02:47:03,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:03" (1/1) ... [2019-11-28 02:47:03,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:03" (1/1) ... [2019-11-28 02:47:03,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:03" (1/1) ... [2019-11-28 02:47:03,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:03" (1/1) ... [2019-11-28 02:47:03,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:03" (1/1) ... [2019-11-28 02:47:03,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:47:03,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:47:03,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:47:03,393 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:47:03,394 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:03" (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 [2019-11-28 02:47:03,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 02:47:03,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:47:03,460 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 02:47:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 02:47:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 02:47:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 02:47:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:47:03,638 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:47:03,638 INFO L297 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-28 02:47:03,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:03 BoogieIcfgContainer [2019-11-28 02:47:03,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:47:03,641 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 02:47:03,641 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 02:47:03,644 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 02:47:03,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:47:02" (1/3) ... [2019-11-28 02:47:03,645 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45711fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:47:03, skipping insertion in model container [2019-11-28 02:47:03,645 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:03" (2/3) ... [2019-11-28 02:47:03,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45711fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:47:03, skipping insertion in model container [2019-11-28 02:47:03,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:03" (3/3) ... [2019-11-28 02:47:03,647 INFO L109 eAbstractionObserver]: Analyzing ICFG Division-2.c [2019-11-28 02:47:03,655 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 02:47:03,661 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-28 02:47:03,670 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-28 02:47:03,688 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 02:47:03,689 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 02:47:03,689 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 02:47:03,689 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:47:03,689 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:47:03,689 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 02:47:03,690 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:47:03,690 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 02:47:03,705 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-11-28 02:47:03,714 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 02:47:03,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:47:03 BoogieIcfgContainer [2019-11-28 02:47:03,719 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 02:47:03,719 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 02:47:03,720 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 02:47:03,720 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 02:47:03,720 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:03" (3/4) ... [2019-11-28 02:47:03,725 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 02:47:03,733 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-11-28 02:47:03,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-11-28 02:47:03,738 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 02:47:03,738 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 02:47:03,738 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 02:47:03,776 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 02:47:03,776 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 02:47:03,779 INFO L168 Benchmark]: Toolchain (without parser) took 817.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -149.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:47:03,780 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:47:03,780 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.89 ms. Allocated memory is still 1.0 GB. Free memory was 953.7 MB in the beginning and 942.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:47:03,782 INFO L168 Benchmark]: Boogie Preprocessor took 118.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 942.9 MB in the beginning and 1.1 GB in the end (delta: -198.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2019-11-28 02:47:03,783 INFO L168 Benchmark]: RCFGBuilder took 246.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2019-11-28 02:47:03,783 INFO L168 Benchmark]: TraceAbstraction took 78.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 02:47:03,784 INFO L168 Benchmark]: Witness Printer took 56.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:47:03,788 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 312.89 ms. Allocated memory is still 1.0 GB. Free memory was 953.7 MB in the beginning and 942.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 118.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 942.9 MB in the beginning and 1.1 GB in the end (delta: -198.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 246.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 78.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Witness Printer took 56.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 11 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=11occurred 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...