./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_o1000.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4249af6-1668-4fba-91b9-78abad62a822/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4249af6-1668-4fba-91b9-78abad62a822/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4249af6-1668-4fba-91b9-78abad62a822/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4249af6-1668-4fba-91b9-78abad62a822/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_o1000.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4249af6-1668-4fba-91b9-78abad62a822/bin/utaipan-q2qaUkNPG8/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4249af6-1668-4fba-91b9-78abad62a822/bin/utaipan-q2qaUkNPG8 --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 a9fa5bc67e4181c4863e6cadfae98bf2af11a2cf ...................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:39:19,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:39:19,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:39:19,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:39:19,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:39:19,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:39:19,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:39:19,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:39:19,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:39:19,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:39:19,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:39:19,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:39:19,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:39:19,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:39:19,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:39:19,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:39:19,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:39:19,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:39:19,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:39:19,775 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:39:19,777 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:39:19,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:39:19,783 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:39:19,784 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:39:19,788 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:39:19,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:39:19,789 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:39:19,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:39:19,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:39:19,791 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:39:19,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:39:19,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:39:19,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:39:19,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:39:19,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:39:19,796 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:39:19,797 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:39:19,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:39:19,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:39:19,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:39:19,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:39:19,800 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4249af6-1668-4fba-91b9-78abad62a822/bin/utaipan-q2qaUkNPG8/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-10-13 07:39:19,833 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:39:19,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:39:19,834 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:39:19,834 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:39:19,834 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:39:19,834 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:39:19,835 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:39:19,835 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:39:19,835 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:39:19,835 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:39:19,835 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:39:19,836 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:39:19,836 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:39:19,836 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:39:19,836 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:39:19,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:39:19,837 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:39:19,837 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:39:19,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:39:19,838 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:39:19,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:39:19,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:39:19,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:39:19,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:39:19,839 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 07:39:19,839 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:39:19,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:39:19,839 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:39:19,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:39:19,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:39:19,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:39:19,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:39:19,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:39:19,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:39:19,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:39:19,841 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:39:19,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:39:19,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:39:19,842 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:39:19,842 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:39:19,842 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_a4249af6-1668-4fba-91b9-78abad62a822/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4249af6-1668-4fba-91b9-78abad62a822/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9fa5bc67e4181c4863e6cadfae98bf2af11a2cf [2021-10-13 07:39:20,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:39:20,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:39:20,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:39:20,110 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:39:20,110 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:39:20,111 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4249af6-1668-4fba-91b9-78abad62a822/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/recursive-simple/id_o1000.c [2021-10-13 07:39:20,191 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4249af6-1668-4fba-91b9-78abad62a822/bin/utaipan-q2qaUkNPG8/data/c2c8c2c63/8647a7737f3c4e75a8bf981b3e25c029/FLAGb409d39ae [2021-10-13 07:39:20,590 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:39:20,591 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4249af6-1668-4fba-91b9-78abad62a822/sv-benchmarks/c/recursive-simple/id_o1000.c [2021-10-13 07:39:20,596 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4249af6-1668-4fba-91b9-78abad62a822/bin/utaipan-q2qaUkNPG8/data/c2c8c2c63/8647a7737f3c4e75a8bf981b3e25c029/FLAGb409d39ae [2021-10-13 07:39:21,000 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4249af6-1668-4fba-91b9-78abad62a822/bin/utaipan-q2qaUkNPG8/data/c2c8c2c63/8647a7737f3c4e75a8bf981b3e25c029 [2021-10-13 07:39:21,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:39:21,005 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:39:21,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:39:21,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:39:21,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:39:21,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:39:21" (1/1) ... [2021-10-13 07:39:21,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7125f828 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:21, skipping insertion in model container [2021-10-13 07:39:21,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:39:21" (1/1) ... [2021-10-13 07:39:21,018 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:39:21,029 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:39:21,185 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_a4249af6-1668-4fba-91b9-78abad62a822/sv-benchmarks/c/recursive-simple/id_o1000.c[520,533] [2021-10-13 07:39:21,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:39:21,195 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:39:21,206 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_a4249af6-1668-4fba-91b9-78abad62a822/sv-benchmarks/c/recursive-simple/id_o1000.c[520,533] [2021-10-13 07:39:21,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:39:21,216 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:39:21,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:21 WrapperNode [2021-10-13 07:39:21,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:39:21,218 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:39:21,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:39:21,218 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:39:21,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:21" (1/1) ... [2021-10-13 07:39:21,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:21" (1/1) ... [2021-10-13 07:39:21,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:39:21,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:39:21,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:39:21,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:39:21,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:21" (1/1) ... [2021-10-13 07:39:21,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:21" (1/1) ... [2021-10-13 07:39:21,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:21" (1/1) ... [2021-10-13 07:39:21,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:21" (1/1) ... [2021-10-13 07:39:21,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:21" (1/1) ... [2021-10-13 07:39:21,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:21" (1/1) ... [2021-10-13 07:39:21,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:21" (1/1) ... [2021-10-13 07:39:21,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:39:21,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:39:21,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:39:21,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:39:21,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:21" (1/1) ... [2021-10-13 07:39:21,272 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:39:21,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4249af6-1668-4fba-91b9-78abad62a822/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:39:21,294 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4249af6-1668-4fba-91b9-78abad62a822/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:39:21,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4249af6-1668-4fba-91b9-78abad62a822/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:39:21,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:39:21,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:39:21,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 07:39:21,349 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-10-13 07:39:21,349 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-10-13 07:39:21,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:39:21,572 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:39:21,572 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-13 07:39:21,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:39:21 BoogieIcfgContainer [2021-10-13 07:39:21,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:39:21,576 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:39:21,577 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:39:21,580 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:39:21,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:39:21" (1/3) ... [2021-10-13 07:39:21,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544c9736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:39:21, skipping insertion in model container [2021-10-13 07:39:21,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:39:21" (2/3) ... [2021-10-13 07:39:21,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544c9736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:39:21, skipping insertion in model container [2021-10-13 07:39:21,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:39:21" (3/3) ... [2021-10-13 07:39:21,583 INFO L111 eAbstractionObserver]: Analyzing ICFG id_o1000.c [2021-10-13 07:39:21,588 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:39:21,588 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-10-13 07:39:21,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544c9736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:39:21, skipping insertion in model container [2021-10-13 07:39:21,590 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:39:21,591 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:39:21,591 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:39:21,591 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:39:21,592 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:39:21" (3/3) ... [2021-10-13 07:39:21,595 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 07:39:21,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2021-10-13 07:39:21,604 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-13 07:39:21,605 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-13 07:39:21,605 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 07:39:21,605 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 07:39:21,644 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4249af6-1668-4fba-91b9-78abad62a822/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:39:21,644 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:39:21,646 INFO L168 Benchmark]: Toolchain (without parser) took 640.28 ms. Allocated memory is still 98.6 MB. Free memory was 63.2 MB in the beginning and 58.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:39:21,655 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 98.6 MB. Free memory was 69.1 MB in the beginning and 69.1 MB in the end (delta: 32.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:39:21,656 INFO L168 Benchmark]: CACSL2BoogieTranslator took 210.92 ms. Allocated memory is still 98.6 MB. Free memory was 63.1 MB in the beginning and 74.4 MB in the end (delta: -11.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:39:21,659 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.62 ms. Allocated memory is still 98.6 MB. Free memory was 74.4 MB in the beginning and 73.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:39:21,660 INFO L168 Benchmark]: Boogie Preprocessor took 16.84 ms. Allocated memory is still 98.6 MB. Free memory was 73.2 MB in the beginning and 72.4 MB in the end (delta: 766.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:39:21,661 INFO L168 Benchmark]: RCFGBuilder took 311.63 ms. Allocated memory is still 98.6 MB. Free memory was 72.1 MB in the beginning and 62.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:39:21,662 INFO L168 Benchmark]: TraceAbstraction took 13.86 ms. Allocated memory is still 98.6 MB. Free memory was 62.0 MB in the beginning and 61.0 MB in the end (delta: 957.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:39:21,663 INFO L168 Benchmark]: Witness Printer took 53.08 ms. Allocated memory is still 98.6 MB. Free memory was 61.0 MB in the beginning and 58.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 07:39:21,681 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 98.6 MB. Free memory was 69.1 MB in the beginning and 69.1 MB in the end (delta: 32.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 210.92 ms. Allocated memory is still 98.6 MB. Free memory was 63.1 MB in the beginning and 74.4 MB in the end (delta: -11.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 27.62 ms. Allocated memory is still 98.6 MB. Free memory was 74.4 MB in the beginning and 73.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 16.84 ms. Allocated memory is still 98.6 MB. Free memory was 73.2 MB in the beginning and 72.4 MB in the end (delta: 766.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 311.63 ms. Allocated memory is still 98.6 MB. Free memory was 72.1 MB in the beginning and 62.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13.86 ms. Allocated memory is still 98.6 MB. Free memory was 62.0 MB in the beginning and 61.0 MB in the end (delta: 957.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Witness Printer took 53.08 ms. Allocated memory is still 98.6 MB. Free memory was 61.0 MB in the beginning and 58.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 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! [2021-10-13 07:39:21,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4249af6-1668-4fba-91b9-78abad62a822/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...