./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_o100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0b3f92-4247-44ee-8db2-55ed97bbb42a/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0b3f92-4247-44ee-8db2-55ed97bbb42a/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0b3f92-4247-44ee-8db2-55ed97bbb42a/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0b3f92-4247-44ee-8db2-55ed97bbb42a/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_o100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0b3f92-4247-44ee-8db2-55ed97bbb42a/bin/utaipan-SDwSMHVbGG/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0b3f92-4247-44ee-8db2-55ed97bbb42a/bin/utaipan-SDwSMHVbGG --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 a9f3959f9eef72d5f7423aa1eb092ce144135b5ae33d5bb31037a0c7e99b1293 ...................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:12:01,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:12:01,025 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:12:01,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:12:01,091 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:12:01,097 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:12:01,100 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:12:01,106 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:12:01,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:12:01,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:12:01,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:12:01,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:12:01,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:12:01,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:12:01,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:12:01,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:12:01,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:12:01,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:12:01,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:12:01,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:12:01,153 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:12:01,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:12:01,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:12:01,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:12:01,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:12:01,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:12:01,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:12:01,169 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:12:01,169 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:12:01,171 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:12:01,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:12:01,173 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:12:01,174 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:12:01,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:12:01,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:12:01,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:12:01,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:12:01,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:12:01,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:12:01,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:12:01,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:12:01,186 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0b3f92-4247-44ee-8db2-55ed97bbb42a/bin/utaipan-SDwSMHVbGG/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-10-29 05:12:01,239 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:12:01,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:12:01,241 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:12:01,242 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:12:01,242 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:12:01,242 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:12:01,243 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:12:01,243 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:12:01,243 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:12:01,244 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:12:01,245 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:12:01,246 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:12:01,246 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:12:01,246 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:12:01,246 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:12:01,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:12:01,248 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:12:01,248 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 05:12:01,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:12:01,249 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:12:01,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:12:01,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:12:01,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:12:01,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:12:01,250 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-29 05:12:01,251 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:12:01,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:12:01,251 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:12:01,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:12:01,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:12:01,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:12:01,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:12:01,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:12:01,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:12:01,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:12:01,256 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:12:01,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:12:01,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:12:01,257 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:12:01,257 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:12:01,258 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_0e0b3f92-4247-44ee-8db2-55ed97bbb42a/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0b3f92-4247-44ee-8db2-55ed97bbb42a/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9f3959f9eef72d5f7423aa1eb092ce144135b5ae33d5bb31037a0c7e99b1293 [2021-10-29 05:12:01,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:12:01,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:12:01,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:12:01,604 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:12:01,604 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:12:01,605 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0b3f92-4247-44ee-8db2-55ed97bbb42a/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/recursive-simple/id_o100.c [2021-10-29 05:12:01,665 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0b3f92-4247-44ee-8db2-55ed97bbb42a/bin/utaipan-SDwSMHVbGG/data/ba0906a2f/535171e48b074bd1923d857c737f4371/FLAG358b56f3e [2021-10-29 05:12:02,183 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:12:02,183 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0b3f92-4247-44ee-8db2-55ed97bbb42a/sv-benchmarks/c/recursive-simple/id_o100.c [2021-10-29 05:12:02,190 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0b3f92-4247-44ee-8db2-55ed97bbb42a/bin/utaipan-SDwSMHVbGG/data/ba0906a2f/535171e48b074bd1923d857c737f4371/FLAG358b56f3e [2021-10-29 05:12:02,549 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0b3f92-4247-44ee-8db2-55ed97bbb42a/bin/utaipan-SDwSMHVbGG/data/ba0906a2f/535171e48b074bd1923d857c737f4371 [2021-10-29 05:12:02,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:12:02,554 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:12:02,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:12:02,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:12:02,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:12:02,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:12:02" (1/1) ... [2021-10-29 05:12:02,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@520d2ab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:02, skipping insertion in model container [2021-10-29 05:12:02,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:12:02" (1/1) ... [2021-10-29 05:12:02,578 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:12:02,604 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:12:02,803 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_0e0b3f92-4247-44ee-8db2-55ed97bbb42a/sv-benchmarks/c/recursive-simple/id_o100.c[518,531] [2021-10-29 05:12:02,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:12:02,816 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:12:02,830 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_0e0b3f92-4247-44ee-8db2-55ed97bbb42a/sv-benchmarks/c/recursive-simple/id_o100.c[518,531] [2021-10-29 05:12:02,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:12:02,848 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:12:02,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:02 WrapperNode [2021-10-29 05:12:02,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:12:02,851 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:12:02,851 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:12:02,851 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:12:02,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:02" (1/1) ... [2021-10-29 05:12:02,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:02" (1/1) ... [2021-10-29 05:12:02,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:12:02,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:12:02,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:12:02,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:12:02,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:02" (1/1) ... [2021-10-29 05:12:02,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:02" (1/1) ... [2021-10-29 05:12:02,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:02" (1/1) ... [2021-10-29 05:12:02,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:02" (1/1) ... [2021-10-29 05:12:02,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:02" (1/1) ... [2021-10-29 05:12:02,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:02" (1/1) ... [2021-10-29 05:12:02,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:02" (1/1) ... [2021-10-29 05:12:02,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:12:02,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:12:02,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:12:02,914 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:12:02,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:02" (1/1) ... [2021-10-29 05:12:02,927 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:12:02,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0b3f92-4247-44ee-8db2-55ed97bbb42a/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:12:02,963 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0b3f92-4247-44ee-8db2-55ed97bbb42a/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:12:02,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0b3f92-4247-44ee-8db2-55ed97bbb42a/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:12:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:12:03,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:12:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 05:12:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-10-29 05:12:03,004 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-10-29 05:12:03,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:12:03,270 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:12:03,270 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-29 05:12:03,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:12:03 BoogieIcfgContainer [2021-10-29 05:12:03,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:12:03,276 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:12:03,276 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:12:03,282 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:12:03,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:12:02" (1/3) ... [2021-10-29 05:12:03,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7969d332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:12:03, skipping insertion in model container [2021-10-29 05:12:03,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:02" (2/3) ... [2021-10-29 05:12:03,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7969d332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:12:03, skipping insertion in model container [2021-10-29 05:12:03,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:12:03" (3/3) ... [2021-10-29 05:12:03,293 INFO L111 eAbstractionObserver]: Analyzing ICFG id_o100.c [2021-10-29 05:12:03,315 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:12:03,316 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-10-29 05:12:03,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7969d332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:12:03, skipping insertion in model container [2021-10-29 05:12:03,318 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:12:03,319 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:12:03,319 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:12:03,320 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:12:03,320 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:12:03" (3/3) ... [2021-10-29 05:12:03,324 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:12:03,332 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2021-10-29 05:12:03,357 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-29 05:12:03,358 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 05:12:03,358 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 05:12:03,358 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:12:03,449 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0b3f92-4247-44ee-8db2-55ed97bbb42a/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:12:03,449 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:12:03,452 INFO L168 Benchmark]: Toolchain (without parser) took 896.48 ms. Allocated memory is still 94.4 MB. Free memory was 52.7 MB in the beginning and 53.9 MB in the end (delta: -1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:12:03,469 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 94.4 MB. Free memory was 68.8 MB in the beginning and 68.8 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:12:03,470 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.77 ms. Allocated memory is still 94.4 MB. Free memory was 52.5 MB in the beginning and 69.9 MB in the end (delta: -17.4 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2021-10-29 05:12:03,471 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.65 ms. Allocated memory is still 94.4 MB. Free memory was 69.9 MB in the beginning and 68.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:12:03,472 INFO L168 Benchmark]: Boogie Preprocessor took 22.37 ms. Allocated memory is still 94.4 MB. Free memory was 68.5 MB in the beginning and 67.7 MB in the end (delta: 777.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:12:03,474 INFO L168 Benchmark]: RCFGBuilder took 360.39 ms. Allocated memory is still 94.4 MB. Free memory was 67.6 MB in the beginning and 57.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:12:03,475 INFO L168 Benchmark]: TraceAbstraction took 42.27 ms. Allocated memory is still 94.4 MB. Free memory was 57.2 MB in the beginning and 56.3 MB in the end (delta: 922.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:12:03,476 INFO L168 Benchmark]: Witness Printer took 130.14 ms. Allocated memory is still 94.4 MB. Free memory was 56.2 MB in the beginning and 53.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:12:03,483 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 94.4 MB. Free memory was 68.8 MB in the beginning and 68.8 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 293.77 ms. Allocated memory is still 94.4 MB. Free memory was 52.5 MB in the beginning and 69.9 MB in the end (delta: -17.4 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.65 ms. Allocated memory is still 94.4 MB. Free memory was 69.9 MB in the beginning and 68.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.37 ms. Allocated memory is still 94.4 MB. Free memory was 68.5 MB in the beginning and 67.7 MB in the end (delta: 777.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 360.39 ms. Allocated memory is still 94.4 MB. Free memory was 67.6 MB in the beginning and 57.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 42.27 ms. Allocated memory is still 94.4 MB. Free memory was 57.2 MB in the beginning and 56.3 MB in the end (delta: 922.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 130.14 ms. Allocated memory is still 94.4 MB. Free memory was 56.2 MB in the beginning and 53.9 MB in the end (delta: 2.2 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! [2021-10-29 05:12:03,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e0b3f92-4247-44ee-8db2-55ed97bbb42a/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...