./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-2a.c --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_c2b52f38-f0da-41bc-9d98-972a2daf6f9f/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b52f38-f0da-41bc-9d98-972a2daf6f9f/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_c2b52f38-f0da-41bc-9d98-972a2daf6f9f/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b52f38-f0da-41bc-9d98-972a2daf6f9f/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-2a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b52f38-f0da-41bc-9d98-972a2daf6f9f/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_c2b52f38-f0da-41bc-9d98-972a2daf6f9f/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 b2100ea24426b7252711008a6a7a196a428591442a323ec879fe1d319b3ee1ab --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:33:10,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:33:10,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:33:10,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:33:10,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:33:10,375 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:33:10,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:33:10,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:33:10,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:33:10,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:33:10,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:33:10,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:33:10,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:33:10,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:33:10,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:33:10,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:33:10,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:33:10,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:33:10,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:33:10,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:33:10,401 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:33:10,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:33:10,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:33:10,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:33:10,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:33:10,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:33:10,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:33:10,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:33:10,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:33:10,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:33:10,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:33:10,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:33:10,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:33:10,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:33:10,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:33:10,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:33:10,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:33:10,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:33:10,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:33:10,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:33:10,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:33:10,423 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b52f38-f0da-41bc-9d98-972a2daf6f9f/bin/utaipan-UbGMyvGFUs/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-19 13:33:10,448 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:33:10,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:33:10,449 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:33:10,449 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:33:10,449 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:33:10,450 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:33:10,450 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:33:10,450 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:33:10,450 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:33:10,451 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:33:10,451 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:33:10,451 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:33:10,452 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:33:10,452 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:33:10,452 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:33:10,453 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:33:10,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:33:10,454 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 13:33:10,454 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 13:33:10,454 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:33:10,454 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 13:33:10,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:33:10,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:33:10,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:33:10,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:33:10,456 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-19 13:33:10,456 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 13:33:10,456 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:33:10,457 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:33:10,457 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:33:10,457 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:33:10,457 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:33:10,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:33:10,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:33:10,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:33:10,459 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:33:10,459 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:33:10,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:33:10,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:33:10,460 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:33:10,460 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:33:10,460 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_c2b52f38-f0da-41bc-9d98-972a2daf6f9f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b52f38-f0da-41bc-9d98-972a2daf6f9f/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2100ea24426b7252711008a6a7a196a428591442a323ec879fe1d319b3ee1ab [2021-11-19 13:33:10,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:33:10,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:33:10,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:33:10,771 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:33:10,772 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:33:10,774 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b52f38-f0da-41bc-9d98-972a2daf6f9f/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-2a.c [2021-11-19 13:33:10,848 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b52f38-f0da-41bc-9d98-972a2daf6f9f/bin/utaipan-UbGMyvGFUs/data/0a297f61b/45d72d758dca47d69a1d88899e5ac9f6/FLAG574b9176e [2021-11-19 13:33:11,382 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:33:11,383 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b52f38-f0da-41bc-9d98-972a2daf6f9f/sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-2a.c [2021-11-19 13:33:11,402 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b52f38-f0da-41bc-9d98-972a2daf6f9f/bin/utaipan-UbGMyvGFUs/data/0a297f61b/45d72d758dca47d69a1d88899e5ac9f6/FLAG574b9176e [2021-11-19 13:33:11,718 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b52f38-f0da-41bc-9d98-972a2daf6f9f/bin/utaipan-UbGMyvGFUs/data/0a297f61b/45d72d758dca47d69a1d88899e5ac9f6 [2021-11-19 13:33:11,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:33:11,722 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:33:11,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:33:11,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:33:11,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:33:11,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:33:11" (1/1) ... [2021-11-19 13:33:11,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f9d2090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:11, skipping insertion in model container [2021-11-19 13:33:11,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:33:11" (1/1) ... [2021-11-19 13:33:11,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:33:11,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:33:12,042 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_c2b52f38-f0da-41bc-9d98-972a2daf6f9f/sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-2a.c[37616,37629] [2021-11-19 13:33:12,050 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:33:12,068 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:33:12,120 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_c2b52f38-f0da-41bc-9d98-972a2daf6f9f/sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-2a.c[37616,37629] [2021-11-19 13:33:12,123 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:33:12,150 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:33:12,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:12 WrapperNode [2021-11-19 13:33:12,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:33:12,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:33:12,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:33:12,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:33:12,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:12" (1/1) ... [2021-11-19 13:33:12,171 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:12" (1/1) ... [2021-11-19 13:33:12,210 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 475 [2021-11-19 13:33:12,210 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:33:12,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:33:12,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:33:12,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:33:12,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:12" (1/1) ... [2021-11-19 13:33:12,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:12" (1/1) ... [2021-11-19 13:33:12,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:12" (1/1) ... [2021-11-19 13:33:12,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:12" (1/1) ... [2021-11-19 13:33:12,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:12" (1/1) ... [2021-11-19 13:33:12,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:12" (1/1) ... [2021-11-19 13:33:12,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:12" (1/1) ... [2021-11-19 13:33:12,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:33:12,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:33:12,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:33:12,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:33:12,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:12" (1/1) ... [2021-11-19 13:33:12,272 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:33:12,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b52f38-f0da-41bc-9d98-972a2daf6f9f/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:33:12,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b52f38-f0da-41bc-9d98-972a2daf6f9f/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:33:12,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b52f38-f0da-41bc-9d98-972a2daf6f9f/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:33:12,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 13:33:12,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 13:33:12,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:33:12,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:33:12,448 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:33:12,449 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:33:12,465 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-19 13:33:12,886 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-11-19 13:33:12,886 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-11-19 13:33:12,886 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:33:13,115 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:33:13,116 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-19 13:33:13,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:33:13 BoogieIcfgContainer [2021-11-19 13:33:13,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 13:33:13,121 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 13:33:13,121 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 13:33:13,124 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 13:33:13,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:33:11" (1/3) ... [2021-11-19 13:33:13,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3354447d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:33:13, skipping insertion in model container [2021-11-19 13:33:13,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:33:12" (2/3) ... [2021-11-19 13:33:13,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3354447d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:33:13, skipping insertion in model container [2021-11-19 13:33:13,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:33:13" (3/3) ... [2021-11-19 13:33:13,128 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_2.BV.c.cil-2a.c [2021-11-19 13:33:13,134 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 13:33:13,134 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-11-19 13:33:13,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3354447d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:33:13, skipping insertion in model container [2021-11-19 13:33:13,136 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 13:33:13,136 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 13:33:13,137 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 13:33:13,137 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 13:33:13,137 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:33:13" (3/3) ... [2021-11-19 13:33:13,141 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-19 13:33:13,175 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2021-11-19 13:33:13,177 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-19 13:33:13,178 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-19 13:33:13,179 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-19 13:33:13,327 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b52f38-f0da-41bc-9d98-972a2daf6f9f/bin/utaipan-UbGMyvGFUs/witness.graphml [2021-11-19 13:33:13,328 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 13:33:13,330 INFO L158 Benchmark]: Toolchain (without parser) took 1606.20ms. Allocated memory was 102.8MB in the beginning and 144.7MB in the end (delta: 41.9MB). Free memory was 63.6MB in the beginning and 100.7MB in the end (delta: -37.2MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2021-11-19 13:33:13,330 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 102.8MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:33:13,331 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.58ms. Allocated memory is still 102.8MB. Free memory was 63.3MB in the beginning and 73.4MB in the end (delta: -10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 13:33:13,332 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.62ms. Allocated memory is still 102.8MB. Free memory was 73.4MB in the beginning and 70.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-19 13:33:13,332 INFO L158 Benchmark]: Boogie Preprocessor took 36.51ms. Allocated memory is still 102.8MB. Free memory was 70.5MB in the beginning and 68.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 13:33:13,333 INFO L158 Benchmark]: RCFGBuilder took 870.64ms. Allocated memory was 102.8MB in the beginning and 144.7MB in the end (delta: 41.9MB). Free memory was 68.4MB in the beginning and 110.1MB in the end (delta: -41.7MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2021-11-19 13:33:13,333 INFO L158 Benchmark]: TraceAbstraction took 15.09ms. Allocated memory is still 144.7MB. Free memory was 110.1MB in the beginning and 109.2MB in the end (delta: 907.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:33:13,334 INFO L158 Benchmark]: Witness Printer took 191.35ms. Allocated memory is still 144.7MB. Free memory was 109.2MB in the beginning and 100.7MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 13:33:13,337 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 102.8MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.58ms. Allocated memory is still 102.8MB. Free memory was 63.3MB in the beginning and 73.4MB in the end (delta: -10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.62ms. Allocated memory is still 102.8MB. Free memory was 73.4MB in the beginning and 70.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.51ms. Allocated memory is still 102.8MB. Free memory was 70.5MB in the beginning and 68.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 870.64ms. Allocated memory was 102.8MB in the beginning and 144.7MB in the end (delta: 41.9MB). Free memory was 68.4MB in the beginning and 110.1MB in the end (delta: -41.7MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. * TraceAbstraction took 15.09ms. Allocated memory is still 144.7MB. Free memory was 110.1MB in the beginning and 109.2MB in the end (delta: 907.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 191.35ms. Allocated memory is still 144.7MB. Free memory was 109.2MB in the beginning and 100.7MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. 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 13:33:13,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2b52f38-f0da-41bc-9d98-972a2daf6f9f/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