./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 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c891a6f-c4c8-4fdb-9373-bd8b96e73c82/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c891a6f-c4c8-4fdb-9373-bd8b96e73c82/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c891a6f-c4c8-4fdb-9373-bd8b96e73c82/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c891a6f-c4c8-4fdb-9373-bd8b96e73c82/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_o1000.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c891a6f-c4c8-4fdb-9373-bd8b96e73c82/bin/utaipan-aC7eJsxGYH/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c891a6f-c4c8-4fdb-9373-bd8b96e73c82/bin/utaipan-aC7eJsxGYH --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 1ac5ce2c5b306e431b6746a0cb1bbdfcd1ec9c3d54097bd6037af4480ff2bd07 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:44:10,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:44:10,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:44:10,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:44:10,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:44:10,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:44:10,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:44:10,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:44:10,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:44:10,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:44:10,780 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:44:10,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:44:10,782 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:44:10,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:44:10,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:44:10,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:44:10,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:44:10,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:44:10,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:44:10,793 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:44:10,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:44:10,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:44:10,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:44:10,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:44:10,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:44:10,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:44:10,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:44:10,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:44:10,809 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:44:10,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:44:10,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:44:10,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:44:10,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:44:10,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:44:10,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:44:10,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:44:10,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:44:10,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:44:10,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:44:10,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:44:10,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:44:10,819 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c891a6f-c4c8-4fdb-9373-bd8b96e73c82/bin/utaipan-aC7eJsxGYH/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-03 03:44:10,846 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:44:10,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:44:10,847 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:44:10,847 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:44:10,848 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:44:10,848 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:44:10,848 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 03:44:10,849 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:44:10,849 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:44:10,849 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 03:44:10,850 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 03:44:10,850 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:44:10,850 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 03:44:10,851 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 03:44:10,851 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 03:44:10,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:44:10,852 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 03:44:10,853 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-03 03:44:10,853 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 03:44:10,853 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 03:44:10,854 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:44:10,854 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:44:10,854 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:44:10,855 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:44:10,855 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-03 03:44:10,855 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 03:44:10,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:44:10,856 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:44:10,856 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:44:10,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:44:10,857 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:44:10,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:44:10,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:44:10,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:44:10,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:44:10,859 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 03:44:10,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 03:44:10,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:44:10,860 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:44:10,860 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:44:10,860 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_0c891a6f-c4c8-4fdb-9373-bd8b96e73c82/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c891a6f-c4c8-4fdb-9373-bd8b96e73c82/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ac5ce2c5b306e431b6746a0cb1bbdfcd1ec9c3d54097bd6037af4480ff2bd07 [2021-11-03 03:44:11,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:44:11,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:44:11,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:44:11,140 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:44:11,142 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:44:11,144 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c891a6f-c4c8-4fdb-9373-bd8b96e73c82/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/recursive-simple/id_o1000.c [2021-11-03 03:44:11,219 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c891a6f-c4c8-4fdb-9373-bd8b96e73c82/bin/utaipan-aC7eJsxGYH/data/8e8414662/0a34e28e95fa45fc8441f0d5f80c73b8/FLAG619fe4213 [2021-11-03 03:44:11,764 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:44:11,764 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c891a6f-c4c8-4fdb-9373-bd8b96e73c82/sv-benchmarks/c/recursive-simple/id_o1000.c [2021-11-03 03:44:11,775 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c891a6f-c4c8-4fdb-9373-bd8b96e73c82/bin/utaipan-aC7eJsxGYH/data/8e8414662/0a34e28e95fa45fc8441f0d5f80c73b8/FLAG619fe4213 [2021-11-03 03:44:12,139 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c891a6f-c4c8-4fdb-9373-bd8b96e73c82/bin/utaipan-aC7eJsxGYH/data/8e8414662/0a34e28e95fa45fc8441f0d5f80c73b8 [2021-11-03 03:44:12,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:44:12,147 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:44:12,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:44:12,148 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:44:12,152 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:44:12,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:44:12" (1/1) ... [2021-11-03 03:44:12,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ca0ef03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:12, skipping insertion in model container [2021-11-03 03:44:12,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:44:12" (1/1) ... [2021-11-03 03:44:12,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:44:12,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:44:12,364 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_0c891a6f-c4c8-4fdb-9373-bd8b96e73c82/sv-benchmarks/c/recursive-simple/id_o1000.c[520,533] [2021-11-03 03:44:12,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:44:12,380 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 03:44:12,398 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_0c891a6f-c4c8-4fdb-9373-bd8b96e73c82/sv-benchmarks/c/recursive-simple/id_o1000.c[520,533] [2021-11-03 03:44:12,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:44:12,412 INFO L208 MainTranslator]: Completed translation [2021-11-03 03:44:12,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:12 WrapperNode [2021-11-03 03:44:12,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:44:12,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 03:44:12,414 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 03:44:12,414 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 03:44:12,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:12" (1/1) ... [2021-11-03 03:44:12,431 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:12" (1/1) ... [2021-11-03 03:44:12,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 03:44:12,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 03:44:12,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 03:44:12,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 03:44:12,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:12" (1/1) ... [2021-11-03 03:44:12,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:12" (1/1) ... [2021-11-03 03:44:12,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:12" (1/1) ... [2021-11-03 03:44:12,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:12" (1/1) ... [2021-11-03 03:44:12,467 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:12" (1/1) ... [2021-11-03 03:44:12,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:12" (1/1) ... [2021-11-03 03:44:12,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:12" (1/1) ... [2021-11-03 03:44:12,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 03:44:12,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 03:44:12,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 03:44:12,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 03:44:12,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:12" (1/1) ... [2021-11-03 03:44:12,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:44:12,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c891a6f-c4c8-4fdb-9373-bd8b96e73c82/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:44:12,515 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c891a6f-c4c8-4fdb-9373-bd8b96e73c82/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 03:44:12,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c891a6f-c4c8-4fdb-9373-bd8b96e73c82/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 03:44:12,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 03:44:12,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 03:44:12,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 03:44:12,564 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-11-03 03:44:12,564 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-11-03 03:44:12,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 03:44:12,836 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 03:44:12,836 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-03 03:44:12,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:44:12 BoogieIcfgContainer [2021-11-03 03:44:12,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 03:44:12,840 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 03:44:12,840 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 03:44:12,856 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 03:44:12,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:44:12" (1/3) ... [2021-11-03 03:44:12,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dc8bcf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:44:12, skipping insertion in model container [2021-11-03 03:44:12,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:44:12" (2/3) ... [2021-11-03 03:44:12,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dc8bcf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:44:12, skipping insertion in model container [2021-11-03 03:44:12,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:44:12" (3/3) ... [2021-11-03 03:44:12,859 INFO L111 eAbstractionObserver]: Analyzing ICFG id_o1000.c [2021-11-03 03:44:12,864 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 03:44:12,864 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-11-03 03:44:12,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dc8bcf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 03:44:12, skipping insertion in model container [2021-11-03 03:44:12,865 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-03 03:44:12,866 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-03 03:44:12,866 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-03 03:44:12,867 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-03 03:44:12,867 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:44:12" (3/3) ... [2021-11-03 03:44:12,885 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-03 03:44:12,890 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2021-11-03 03:44:12,894 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-03 03:44:12,894 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-03 03:44:12,894 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-03 03:44:12,894 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-03 03:44:12,951 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c891a6f-c4c8-4fdb-9373-bd8b96e73c82/bin/utaipan-aC7eJsxGYH/witness.graphml [2021-11-03 03:44:12,952 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-03 03:44:12,958 INFO L168 Benchmark]: Toolchain (without parser) took 805.95 ms. Allocated memory is still 127.9 MB. Free memory was 90.0 MB in the beginning and 86.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 1.4 MB. Max. memory is 16.1 GB. [2021-11-03 03:44:12,959 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 127.9 MB. Free memory is still 106.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 03:44:12,960 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.70 ms. Allocated memory is still 127.9 MB. Free memory was 89.7 MB in the beginning and 102.3 MB in the end (delta: -12.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-03 03:44:12,961 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.56 ms. Allocated memory is still 127.9 MB. Free memory was 102.3 MB in the beginning and 100.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 03:44:12,961 INFO L168 Benchmark]: Boogie Preprocessor took 30.07 ms. Allocated memory is still 127.9 MB. Free memory was 100.8 MB in the beginning and 100.2 MB in the end (delta: 582.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 03:44:12,962 INFO L168 Benchmark]: RCFGBuilder took 358.32 ms. Allocated memory is still 127.9 MB. Free memory was 99.9 MB in the beginning and 89.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-03 03:44:12,962 INFO L168 Benchmark]: TraceAbstraction took 25.58 ms. Allocated memory is still 127.9 MB. Free memory was 89.4 MB in the beginning and 88.7 MB in the end (delta: 731.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 03:44:12,962 INFO L168 Benchmark]: Witness Printer took 85.59 ms. Allocated memory is still 127.9 MB. Free memory was 88.3 MB in the beginning and 86.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 03:44:12,967 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 127.9 MB. Free memory is still 106.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 264.70 ms. Allocated memory is still 127.9 MB. Free memory was 89.7 MB in the beginning and 102.3 MB in the end (delta: -12.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.56 ms. Allocated memory is still 127.9 MB. Free memory was 102.3 MB in the beginning and 100.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.07 ms. Allocated memory is still 127.9 MB. Free memory was 100.8 MB in the beginning and 100.2 MB in the end (delta: 582.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 358.32 ms. Allocated memory is still 127.9 MB. Free memory was 99.9 MB in the beginning and 89.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 25.58 ms. Allocated memory is still 127.9 MB. Free memory was 89.4 MB in the beginning and 88.7 MB in the end (delta: 731.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 85.59 ms. Allocated memory is still 127.9 MB. Free memory was 88.3 MB in the beginning and 86.2 MB in the end (delta: 2.1 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! [2021-11-03 03:44:13,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c891a6f-c4c8-4fdb-9373-bd8b96e73c82/bin/utaipan-aC7eJsxGYH/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