./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark32_linear.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57750f44-34d8-43cf-b7e3-f3e48aa131de/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57750f44-34d8-43cf-b7e3-f3e48aa131de/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57750f44-34d8-43cf-b7e3-f3e48aa131de/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57750f44-34d8-43cf-b7e3-f3e48aa131de/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark32_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57750f44-34d8-43cf-b7e3-f3e48aa131de/bin/utaipan-UbGMyvGFUs/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57750f44-34d8-43cf-b7e3-f3e48aa131de/bin/utaipan-UbGMyvGFUs --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 8731c7b889cdaf4eec07de8973e6494ef97dd5e8bf9fb9fde3d7808725d4f0de --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:39:39,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:39:39,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:39:39,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:39:39,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:39:39,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:39:39,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:39:39,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:39:39,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:39:39,398 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:39:39,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:39:39,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:39:39,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:39:39,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:39:39,404 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:39:39,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:39:39,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:39:39,408 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:39:39,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:39:39,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:39:39,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:39:39,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:39:39,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:39:39,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:39:39,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:39:39,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:39:39,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:39:39,428 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:39:39,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:39:39,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:39:39,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:39:39,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:39:39,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:39:39,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:39:39,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:39:39,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:39:39,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:39:39,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:39:39,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:39:39,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:39:39,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:39:39,448 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57750f44-34d8-43cf-b7e3-f3e48aa131de/bin/utaipan-UbGMyvGFUs/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-19 14:39:39,488 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:39:39,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:39:39,489 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:39:39,489 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:39:39,489 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:39:39,490 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:39:39,490 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:39:39,490 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:39:39,490 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:39:39,491 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:39:39,491 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:39:39,491 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:39:39,491 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:39:39,491 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:39:39,492 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:39:39,492 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:39:39,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:39:39,493 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 14:39:39,493 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 14:39:39,493 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:39:39,494 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 14:39:39,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:39:39,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:39:39,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:39:39,495 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:39:39,495 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-19 14:39:39,495 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 14:39:39,495 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:39:39,495 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:39:39,496 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:39:39,496 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:39:39,496 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:39:39,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:39:39,497 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:39:39,497 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:39:39,497 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:39:39,497 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:39:39,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:39:39,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:39:39,498 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:39:39,498 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:39:39,498 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_57750f44-34d8-43cf-b7e3-f3e48aa131de/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57750f44-34d8-43cf-b7e3-f3e48aa131de/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8731c7b889cdaf4eec07de8973e6494ef97dd5e8bf9fb9fde3d7808725d4f0de [2021-11-19 14:39:39,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:39:39,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:39:39,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:39:39,823 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:39:39,824 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:39:39,825 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57750f44-34d8-43cf-b7e3-f3e48aa131de/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/loop-zilu/benchmark32_linear.i [2021-11-19 14:39:39,927 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57750f44-34d8-43cf-b7e3-f3e48aa131de/bin/utaipan-UbGMyvGFUs/data/7a3b8688b/a5226bd4156b4f1f8412d58374f6bac0/FLAG59d88fe5d [2021-11-19 14:39:40,480 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:39:40,480 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57750f44-34d8-43cf-b7e3-f3e48aa131de/sv-benchmarks/c/loop-zilu/benchmark32_linear.i [2021-11-19 14:39:40,486 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57750f44-34d8-43cf-b7e3-f3e48aa131de/bin/utaipan-UbGMyvGFUs/data/7a3b8688b/a5226bd4156b4f1f8412d58374f6bac0/FLAG59d88fe5d [2021-11-19 14:39:40,868 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57750f44-34d8-43cf-b7e3-f3e48aa131de/bin/utaipan-UbGMyvGFUs/data/7a3b8688b/a5226bd4156b4f1f8412d58374f6bac0 [2021-11-19 14:39:40,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:39:40,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:39:40,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:39:40,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:39:40,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:39:40,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:39:40" (1/1) ... [2021-11-19 14:39:40,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@300fef20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:40, skipping insertion in model container [2021-11-19 14:39:40,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:39:40" (1/1) ... [2021-11-19 14:39:40,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:39:40,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:39:41,070 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_57750f44-34d8-43cf-b7e3-f3e48aa131de/sv-benchmarks/c/loop-zilu/benchmark32_linear.i[868,881] [2021-11-19 14:39:41,076 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:39:41,084 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:39:41,097 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_57750f44-34d8-43cf-b7e3-f3e48aa131de/sv-benchmarks/c/loop-zilu/benchmark32_linear.i[868,881] [2021-11-19 14:39:41,100 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:39:41,113 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:39:41,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:41 WrapperNode [2021-11-19 14:39:41,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:39:41,115 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:39:41,116 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:39:41,116 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:39:41,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:41" (1/1) ... [2021-11-19 14:39:41,130 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:41" (1/1) ... [2021-11-19 14:39:41,147 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31 [2021-11-19 14:39:41,148 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:39:41,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:39:41,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:39:41,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:39:41,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:41" (1/1) ... [2021-11-19 14:39:41,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:41" (1/1) ... [2021-11-19 14:39:41,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:41" (1/1) ... [2021-11-19 14:39:41,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:41" (1/1) ... [2021-11-19 14:39:41,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:41" (1/1) ... [2021-11-19 14:39:41,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:41" (1/1) ... [2021-11-19 14:39:41,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:41" (1/1) ... [2021-11-19 14:39:41,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:39:41,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:39:41,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:39:41,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:39:41,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:41" (1/1) ... [2021-11-19 14:39:41,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:39:41,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57750f44-34d8-43cf-b7e3-f3e48aa131de/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:39:41,203 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57750f44-34d8-43cf-b7e3-f3e48aa131de/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:39:41,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57750f44-34d8-43cf-b7e3-f3e48aa131de/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:39:41,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:39:41,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 14:39:41,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:39:41,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:39:41,335 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:39:41,337 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:39:41,420 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:39:41,447 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:39:41,447 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-19 14:39:41,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:39:41 BoogieIcfgContainer [2021-11-19 14:39:41,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:39:41,452 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:39:41,452 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:39:41,458 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:39:41,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:39:40" (1/3) ... [2021-11-19 14:39:41,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@592d7266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:39:41, skipping insertion in model container [2021-11-19 14:39:41,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:39:41" (2/3) ... [2021-11-19 14:39:41,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@592d7266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:39:41, skipping insertion in model container [2021-11-19 14:39:41,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:39:41" (3/3) ... [2021-11-19 14:39:41,461 INFO L111 eAbstractionObserver]: Analyzing ICFG benchmark32_linear.i [2021-11-19 14:39:41,465 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:39:41,466 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-11-19 14:39:41,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@592d7266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 02:39:41, skipping insertion in model container [2021-11-19 14:39:41,467 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 14:39:41,468 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 14:39:41,468 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 14:39:41,468 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 14:39:41,469 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:39:41" (3/3) ... [2021-11-19 14:39:41,472 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-19 14:39:41,481 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-19 14:39:41,481 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-19 14:39:41,481 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-19 14:39:41,482 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-19 14:39:41,521 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57750f44-34d8-43cf-b7e3-f3e48aa131de/bin/utaipan-UbGMyvGFUs/witness.graphml [2021-11-19 14:39:41,521 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 14:39:41,523 INFO L158 Benchmark]: Toolchain (without parser) took 650.16ms. Allocated memory was 100.7MB in the beginning and 144.7MB in the end (delta: 44.0MB). Free memory was 68.3MB in the beginning and 104.0MB in the end (delta: -35.6MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2021-11-19 14:39:41,524 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 100.7MB. Free memory was 54.8MB in the beginning and 54.8MB in the end (delta: 57.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:39:41,525 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.52ms. Allocated memory was 100.7MB in the beginning and 144.7MB in the end (delta: 44.0MB). Free memory was 68.3MB in the beginning and 119.7MB in the end (delta: -51.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 14:39:41,526 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.58ms. Allocated memory is still 144.7MB. Free memory was 119.7MB in the beginning and 118.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 14:39:41,527 INFO L158 Benchmark]: Boogie Preprocessor took 19.35ms. Allocated memory is still 144.7MB. Free memory was 118.5MB in the beginning and 117.5MB in the end (delta: 946.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:39:41,527 INFO L158 Benchmark]: RCFGBuilder took 281.22ms. Allocated memory is still 144.7MB. Free memory was 117.5MB in the beginning and 107.6MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 14:39:41,528 INFO L158 Benchmark]: TraceAbstraction took 15.69ms. Allocated memory is still 144.7MB. Free memory was 107.1MB in the beginning and 106.5MB in the end (delta: 662.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 14:39:41,529 INFO L158 Benchmark]: Witness Printer took 52.89ms. Allocated memory is still 144.7MB. Free memory was 106.5MB in the beginning and 104.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 14:39:41,534 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 100.7MB. Free memory was 54.8MB in the beginning and 54.8MB in the end (delta: 57.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.52ms. Allocated memory was 100.7MB in the beginning and 144.7MB in the end (delta: 44.0MB). Free memory was 68.3MB in the beginning and 119.7MB in the end (delta: -51.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.58ms. Allocated memory is still 144.7MB. Free memory was 119.7MB in the beginning and 118.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.35ms. Allocated memory is still 144.7MB. Free memory was 118.5MB in the beginning and 117.5MB in the end (delta: 946.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 281.22ms. Allocated memory is still 144.7MB. Free memory was 117.5MB in the beginning and 107.6MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 15.69ms. Allocated memory is still 144.7MB. Free memory was 107.1MB in the beginning and 106.5MB in the end (delta: 662.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 52.89ms. Allocated memory is still 144.7MB. Free memory was 106.5MB in the beginning and 104.0MB in the end (delta: 2.5MB). 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! [2021-11-19 14:39:41,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57750f44-34d8-43cf-b7e3-f3e48aa131de/bin/utaipan-UbGMyvGFUs/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