./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_b2_o3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81eb34eb-21f2-4544-8bea-cd878ed5febd/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81eb34eb-21f2-4544-8bea-cd878ed5febd/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81eb34eb-21f2-4544-8bea-cd878ed5febd/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81eb34eb-21f2-4544-8bea-cd878ed5febd/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_b2_o3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81eb34eb-21f2-4544-8bea-cd878ed5febd/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81eb34eb-21f2-4544-8bea-cd878ed5febd/bin/utaipan-eEHZpOm5b7 --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 2bbfc52b9a0467d32481e7413235257f8cdbdcb51c829bb358c94a1739554a21 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:10:23,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:10:23,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:10:24,004 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:10:24,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:10:24,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:10:24,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:10:24,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:10:24,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:10:24,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:10:24,017 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:10:24,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:10:24,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:10:24,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:10:24,024 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:10:24,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:10:24,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:10:24,030 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:10:24,033 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:10:24,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:10:24,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:10:24,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:10:24,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:10:24,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:10:24,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:10:24,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:10:24,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:10:24,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:10:24,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:10:24,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:10:24,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:10:24,076 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:10:24,077 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:10:24,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:10:24,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:10:24,080 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:10:24,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:10:24,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:10:24,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:10:24,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:10:24,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:10:24,085 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81eb34eb-21f2-4544-8bea-cd878ed5febd/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-25 20:10:24,132 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:10:24,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:10:24,133 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:10:24,133 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:10:24,135 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:10:24,135 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:10:24,135 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:10:24,136 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:10:24,136 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:10:24,136 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:10:24,138 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:10:24,138 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:10:24,138 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:10:24,138 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:10:24,139 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:10:24,139 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:10:24,139 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:10:24,140 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:10:24,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:10:24,141 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 20:10:24,142 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 20:10:24,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:10:24,142 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 20:10:24,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:10:24,143 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:10:24,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:10:24,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:10:24,145 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 20:10:24,145 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 20:10:24,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:10:24,146 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:10:24,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:10:24,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:10:24,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:10:24,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:10:24,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:10:24,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:10:24,148 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:10:24,148 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:10:24,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:10:24,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:10:24,149 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:10:24,149 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:10:24,149 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_81eb34eb-21f2-4544-8bea-cd878ed5febd/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81eb34eb-21f2-4544-8bea-cd878ed5febd/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bbfc52b9a0467d32481e7413235257f8cdbdcb51c829bb358c94a1739554a21 [2021-11-25 20:10:24,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:10:24,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:10:24,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:10:24,509 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:10:24,510 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:10:24,512 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81eb34eb-21f2-4544-8bea-cd878ed5febd/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/recursive-simple/id_b2_o3.c [2021-11-25 20:10:24,599 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81eb34eb-21f2-4544-8bea-cd878ed5febd/bin/utaipan-eEHZpOm5b7/data/a785e22f4/a2a5966be87e4d5b94bad074e3471c18/FLAG7b5b571be [2021-11-25 20:10:25,087 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:10:25,087 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81eb34eb-21f2-4544-8bea-cd878ed5febd/sv-benchmarks/c/recursive-simple/id_b2_o3.c [2021-11-25 20:10:25,099 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81eb34eb-21f2-4544-8bea-cd878ed5febd/bin/utaipan-eEHZpOm5b7/data/a785e22f4/a2a5966be87e4d5b94bad074e3471c18/FLAG7b5b571be [2021-11-25 20:10:25,457 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81eb34eb-21f2-4544-8bea-cd878ed5febd/bin/utaipan-eEHZpOm5b7/data/a785e22f4/a2a5966be87e4d5b94bad074e3471c18 [2021-11-25 20:10:25,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:10:25,461 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:10:25,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:10:25,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:10:25,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:10:25,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:10:25" (1/1) ... [2021-11-25 20:10:25,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45d33b8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:10:25, skipping insertion in model container [2021-11-25 20:10:25,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:10:25" (1/1) ... [2021-11-25 20:10:25,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:10:25,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:10:25,678 WARN L230 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_81eb34eb-21f2-4544-8bea-cd878ed5febd/sv-benchmarks/c/recursive-simple/id_b2_o3.c[568,581] [2021-11-25 20:10:25,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:10:25,689 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:10:25,704 WARN L230 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_81eb34eb-21f2-4544-8bea-cd878ed5febd/sv-benchmarks/c/recursive-simple/id_b2_o3.c[568,581] [2021-11-25 20:10:25,704 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:10:25,719 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:10:25,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:10:25 WrapperNode [2021-11-25 20:10:25,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:10:25,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:10:25,721 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:10:25,721 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:10:25,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:10:25" (1/1) ... [2021-11-25 20:10:25,736 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:10:25" (1/1) ... [2021-11-25 20:10:25,752 INFO L137 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2021-11-25 20:10:25,752 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:10:25,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:10:25,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:10:25,753 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:10:25,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:10:25" (1/1) ... [2021-11-25 20:10:25,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:10:25" (1/1) ... [2021-11-25 20:10:25,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:10:25" (1/1) ... [2021-11-25 20:10:25,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:10:25" (1/1) ... [2021-11-25 20:10:25,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:10:25" (1/1) ... [2021-11-25 20:10:25,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:10:25" (1/1) ... [2021-11-25 20:10:25,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:10:25" (1/1) ... [2021-11-25 20:10:25,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:10:25,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:10:25,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:10:25,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:10:25,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:10:25" (1/1) ... [2021-11-25 20:10:25,783 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:10:25,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81eb34eb-21f2-4544-8bea-cd878ed5febd/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:10:25,811 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81eb34eb-21f2-4544-8bea-cd878ed5febd/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:10:25,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81eb34eb-21f2-4544-8bea-cd878ed5febd/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:10:25,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:10:25,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:10:25,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:10:25,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:10:25,875 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-11-25 20:10:25,875 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-11-25 20:10:25,931 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:10:25,932 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:10:26,012 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:10:26,038 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:10:26,038 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 20:10:26,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:10:26 BoogieIcfgContainer [2021-11-25 20:10:26,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:10:26,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:10:26,044 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:10:26,048 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:10:26,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:10:25" (1/3) ... [2021-11-25 20:10:26,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7848a9b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:10:26, skipping insertion in model container [2021-11-25 20:10:26,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:10:25" (2/3) ... [2021-11-25 20:10:26,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7848a9b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:10:26, skipping insertion in model container [2021-11-25 20:10:26,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:10:26" (3/3) ... [2021-11-25 20:10:26,052 INFO L111 eAbstractionObserver]: Analyzing ICFG id_b2_o3.c [2021-11-25 20:10:26,059 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:10:26,073 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-11-25 20:10:26,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7848a9b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:10:26, skipping insertion in model container [2021-11-25 20:10:26,076 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 20:10:26,077 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 20:10:26,077 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 20:10:26,078 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 20:10:26,078 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:10:26" (3/3) ... [2021-11-25 20:10:26,083 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 20:10:26,103 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2021-11-25 20:10:26,108 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-25 20:10:26,108 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-25 20:10:26,108 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-25 20:10:26,109 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 20:10:26,223 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81eb34eb-21f2-4544-8bea-cd878ed5febd/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 20:10:26,223 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 20:10:26,226 INFO L158 Benchmark]: Toolchain (without parser) took 763.20ms. Allocated memory was 83.9MB in the beginning and 113.2MB in the end (delta: 29.4MB). Free memory was 47.5MB in the beginning and 74.9MB in the end (delta: -27.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:10:26,227 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory was 63.5MB in the beginning and 63.4MB in the end (delta: 46.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:10:26,229 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.31ms. Allocated memory was 83.9MB in the beginning and 113.2MB in the end (delta: 29.4MB). Free memory was 47.2MB in the beginning and 90.2MB in the end (delta: -43.0MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2021-11-25 20:10:26,230 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.65ms. Allocated memory is still 113.2MB. Free memory was 90.2MB in the beginning and 88.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:10:26,231 INFO L158 Benchmark]: Boogie Preprocessor took 19.31ms. Allocated memory is still 113.2MB. Free memory was 88.7MB in the beginning and 88.0MB in the end (delta: 709.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:10:26,233 INFO L158 Benchmark]: RCFGBuilder took 268.16ms. Allocated memory is still 113.2MB. Free memory was 87.7MB in the beginning and 78.7MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 20:10:26,234 INFO L158 Benchmark]: TraceAbstraction took 32.84ms. Allocated memory is still 113.2MB. Free memory was 78.2MB in the beginning and 77.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:10:26,235 INFO L158 Benchmark]: Witness Printer took 146.01ms. Allocated memory is still 113.2MB. Free memory was 77.2MB in the beginning and 74.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 20:10:26,259 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory was 63.5MB in the beginning and 63.4MB in the end (delta: 46.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.31ms. Allocated memory was 83.9MB in the beginning and 113.2MB in the end (delta: 29.4MB). Free memory was 47.2MB in the beginning and 90.2MB in the end (delta: -43.0MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.65ms. Allocated memory is still 113.2MB. Free memory was 90.2MB in the beginning and 88.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.31ms. Allocated memory is still 113.2MB. Free memory was 88.7MB in the beginning and 88.0MB in the end (delta: 709.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 268.16ms. Allocated memory is still 113.2MB. Free memory was 87.7MB in the beginning and 78.7MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 32.84ms. Allocated memory is still 113.2MB. Free memory was 78.2MB in the beginning and 77.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 146.01ms. Allocated memory is still 113.2MB. Free memory was 77.2MB in the beginning and 74.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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! [2021-11-25 20:10:26,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81eb34eb-21f2-4544-8bea-cd878ed5febd/bin/utaipan-eEHZpOm5b7/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