./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id2_b5_o10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a305773-bf42-41c6-b3b7-14c992489b04/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a305773-bf42-41c6-b3b7-14c992489b04/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a305773-bf42-41c6-b3b7-14c992489b04/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a305773-bf42-41c6-b3b7-14c992489b04/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursive-simple/id2_b5_o10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a305773-bf42-41c6-b3b7-14c992489b04/bin/utaipan-UUZaoUuFF8/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a305773-bf42-41c6-b3b7-14c992489b04/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8c08a983a7c0b08f878bb6cfb5a8d37d856d7302f69f84382c3f724537bcbd1e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:48:51,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:48:51,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:48:51,812 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:48:51,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:48:51,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:48:51,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:48:51,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:48:51,823 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:48:51,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:48:51,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:48:51,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:48:51,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:48:51,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:48:51,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:48:51,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:48:51,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:48:51,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:48:51,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:48:51,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:48:51,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:48:51,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:48:51,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:48:51,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:48:51,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:48:51,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:48:51,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:48:51,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:48:51,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:48:51,867 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:48:51,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:48:51,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:48:51,870 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:48:51,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:48:51,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:48:51,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:48:51,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:48:51,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:48:51,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:48:51,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:48:51,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:48:51,881 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a305773-bf42-41c6-b3b7-14c992489b04/bin/utaipan-UUZaoUuFF8/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-07 01:48:51,946 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:48:51,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:48:51,950 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:48:51,950 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:48:51,951 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:48:51,951 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:48:51,951 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:48:51,952 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:48:51,959 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:48:51,959 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:48:51,960 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:48:51,961 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:48:51,961 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:48:51,961 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:48:51,962 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:48:51,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:48:51,964 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:48:51,964 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 01:48:51,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:48:51,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:48:51,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:48:51,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:48:51,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:48:51,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:48:51,966 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-07 01:48:51,966 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:48:51,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:48:51,967 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:48:51,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:48:51,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:48:51,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:48:51,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:48:51,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:48:51,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:48:51,971 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:48:51,971 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:48:51,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:48:51,971 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:48:51,972 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:48:51,972 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:48:51,972 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a305773-bf42-41c6-b3b7-14c992489b04/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a305773-bf42-41c6-b3b7-14c992489b04/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c08a983a7c0b08f878bb6cfb5a8d37d856d7302f69f84382c3f724537bcbd1e [2021-11-07 01:48:52,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:48:52,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:48:52,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:48:52,315 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:48:52,316 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:48:52,317 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a305773-bf42-41c6-b3b7-14c992489b04/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/recursive-simple/id2_b5_o10.c [2021-11-07 01:48:52,414 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a305773-bf42-41c6-b3b7-14c992489b04/bin/utaipan-UUZaoUuFF8/data/08396f72c/f90cf8037a974afa858f3401cc097577/FLAG148da4d4f [2021-11-07 01:48:53,006 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:48:53,008 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a305773-bf42-41c6-b3b7-14c992489b04/sv-benchmarks/c/recursive-simple/id2_b5_o10.c [2021-11-07 01:48:53,016 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a305773-bf42-41c6-b3b7-14c992489b04/bin/utaipan-UUZaoUuFF8/data/08396f72c/f90cf8037a974afa858f3401cc097577/FLAG148da4d4f [2021-11-07 01:48:53,377 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a305773-bf42-41c6-b3b7-14c992489b04/bin/utaipan-UUZaoUuFF8/data/08396f72c/f90cf8037a974afa858f3401cc097577 [2021-11-07 01:48:53,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:48:53,381 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:48:53,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:48:53,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:48:53,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:48:53,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:48:53" (1/1) ... [2021-11-07 01:48:53,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75f3de6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:53, skipping insertion in model container [2021-11-07 01:48:53,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:48:53" (1/1) ... [2021-11-07 01:48:53,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:48:53,424 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:48:53,576 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a305773-bf42-41c6-b3b7-14c992489b04/sv-benchmarks/c/recursive-simple/id2_b5_o10.c[773,786] [2021-11-07 01:48:53,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:48:53,587 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:48:53,604 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a305773-bf42-41c6-b3b7-14c992489b04/sv-benchmarks/c/recursive-simple/id2_b5_o10.c[773,786] [2021-11-07 01:48:53,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:48:53,619 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:48:53,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:53 WrapperNode [2021-11-07 01:48:53,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:48:53,621 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:48:53,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:48:53,621 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:48:53,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:53" (1/1) ... [2021-11-07 01:48:53,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:53" (1/1) ... [2021-11-07 01:48:53,657 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:48:53,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:48:53,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:48:53,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:48:53,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:53" (1/1) ... [2021-11-07 01:48:53,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:53" (1/1) ... [2021-11-07 01:48:53,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:53" (1/1) ... [2021-11-07 01:48:53,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:53" (1/1) ... [2021-11-07 01:48:53,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:53" (1/1) ... [2021-11-07 01:48:53,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:53" (1/1) ... [2021-11-07 01:48:53,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:53" (1/1) ... [2021-11-07 01:48:53,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:48:53,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:48:53,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:48:53,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:48:53,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:53" (1/1) ... [2021-11-07 01:48:53,687 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:48:53,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a305773-bf42-41c6-b3b7-14c992489b04/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:48:53,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a305773-bf42-41c6-b3b7-14c992489b04/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:48:53,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a305773-bf42-41c6-b3b7-14c992489b04/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:48:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 01:48:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:48:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2021-11-07 01:48:53,783 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2021-11-07 01:48:53,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:48:53,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:48:53,783 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-11-07 01:48:53,783 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-11-07 01:48:54,152 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:48:54,152 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-07 01:48:54,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:48:54 BoogieIcfgContainer [2021-11-07 01:48:54,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:48:54,158 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:48:54,158 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:48:54,162 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:48:54,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:48:53" (1/3) ... [2021-11-07 01:48:54,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48bbc9b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:48:54, skipping insertion in model container [2021-11-07 01:48:54,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:48:53" (2/3) ... [2021-11-07 01:48:54,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48bbc9b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:48:54, skipping insertion in model container [2021-11-07 01:48:54,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:48:54" (3/3) ... [2021-11-07 01:48:54,166 INFO L111 eAbstractionObserver]: Analyzing ICFG id2_b5_o10.c [2021-11-07 01:48:54,173 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:48:54,189 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-11-07 01:48:54,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48bbc9b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:48:54, skipping insertion in model container [2021-11-07 01:48:54,191 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:48:54,192 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:48:54,193 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:48:54,193 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:48:54,194 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:48:54" (3/3) ... [2021-11-07 01:48:54,197 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:48:54,204 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2021-11-07 01:48:54,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2021-11-07 01:48:54,223 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-07 01:48:54,223 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-07 01:48:54,224 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:48:54,224 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:48:54,307 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a305773-bf42-41c6-b3b7-14c992489b04/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:48:54,307 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:48:54,310 INFO L168 Benchmark]: Toolchain (without parser) took 927.09 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 75.9 MB in the beginning and 100.9 MB in the end (delta: -24.9 MB). Peak memory consumption was 31.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:48:54,311 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 102.8 MB. Free memory is still 73.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:48:54,312 INFO L168 Benchmark]: CACSL2BoogieTranslator took 236.65 ms. Allocated memory is still 102.8 MB. Free memory was 75.7 MB in the beginning and 66.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:48:54,312 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.94 ms. Allocated memory is still 102.8 MB. Free memory was 66.3 MB in the beginning and 64.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:48:54,313 INFO L168 Benchmark]: Boogie Preprocessor took 19.12 ms. Allocated memory is still 102.8 MB. Free memory was 64.9 MB in the beginning and 64.0 MB in the end (delta: 908.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:48:54,314 INFO L168 Benchmark]: RCFGBuilder took 478.07 ms. Allocated memory is still 102.8 MB. Free memory was 64.0 MB in the beginning and 52.7 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:48:54,315 INFO L168 Benchmark]: TraceAbstraction took 33.43 ms. Allocated memory is still 102.8 MB. Free memory was 52.3 MB in the beginning and 51.4 MB in the end (delta: 909.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:48:54,317 INFO L168 Benchmark]: Witness Printer took 115.19 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 51.4 MB in the beginning and 100.9 MB in the end (delta: -49.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:48:54,321 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 102.8 MB. Free memory is still 73.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 236.65 ms. Allocated memory is still 102.8 MB. Free memory was 75.7 MB in the beginning and 66.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.94 ms. Allocated memory is still 102.8 MB. Free memory was 66.3 MB in the beginning and 64.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.12 ms. Allocated memory is still 102.8 MB. Free memory was 64.9 MB in the beginning and 64.0 MB in the end (delta: 908.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 478.07 ms. Allocated memory is still 102.8 MB. Free memory was 64.0 MB in the beginning and 52.7 MB in the end (delta: 11.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 33.43 ms. Allocated memory is still 102.8 MB. Free memory was 52.3 MB in the beginning and 51.4 MB in the end (delta: 909.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Witness Printer took 115.19 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 51.4 MB in the beginning and 100.9 MB in the end (delta: -49.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 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. RESULT: Ultimate proved your program to be correct! [2021-11-07 01:48:54,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a305773-bf42-41c6-b3b7-14c992489b04/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE