./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 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd147252-4ea4-443f-b745-3e713c448da4/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd147252-4ea4-443f-b745-3e713c448da4/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd147252-4ea4-443f-b745-3e713c448da4/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd147252-4ea4-443f-b745-3e713c448da4/bin/utaipan-Q6hlc19bkW/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_dd147252-4ea4-443f-b745-3e713c448da4/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd147252-4ea4-443f-b745-3e713c448da4/bin/utaipan-Q6hlc19bkW --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 15:14:26,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:14:26,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:14:26,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:14:26,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:14:26,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:14:26,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:14:26,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:14:26,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:14:26,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:14:26,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:14:26,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:14:26,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:14:26,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:14:26,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:14:26,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:14:26,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:14:26,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:14:26,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:14:26,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:14:26,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:14:26,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:14:26,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:14:26,318 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:14:26,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:14:26,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:14:26,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:14:26,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:14:26,333 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:14:26,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:14:26,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:14:26,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:14:26,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:14:26,337 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:14:26,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:14:26,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:14:26,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:14:26,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:14:26,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:14:26,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:14:26,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:14:26,345 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd147252-4ea4-443f-b745-3e713c448da4/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-23 15:14:26,385 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:14:26,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:14:26,386 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:14:26,386 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:14:26,387 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:14:26,388 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:14:26,388 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:14:26,388 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:14:26,388 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:14:26,388 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:14:26,389 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:14:26,390 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:14:26,390 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:14:26,390 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:14:26,390 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:14:26,390 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:14:26,390 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:14:26,391 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:14:26,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:14:26,392 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 15:14:26,392 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:14:26,392 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:14:26,392 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 15:14:26,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:14:26,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:14:26,393 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:14:26,393 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:14:26,393 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 15:14:26,394 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 15:14:26,394 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:14:26,394 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:14:26,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:14:26,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:14:26,395 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:14:26,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:14:26,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:14:26,395 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:14:26,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:14:26,396 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:14:26,396 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:14:26,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:14:26,396 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:14:26,396 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:14:26,397 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_dd147252-4ea4-443f-b745-3e713c448da4/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd147252-4ea4-443f-b745-3e713c448da4/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2100ea24426b7252711008a6a7a196a428591442a323ec879fe1d319b3ee1ab [2022-11-23 15:14:26,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:14:26,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:14:26,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:14:26,678 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:14:26,679 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:14:26,680 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd147252-4ea4-443f-b745-3e713c448da4/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-2a.c [2022-11-23 15:14:29,832 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:14:30,117 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:14:30,118 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd147252-4ea4-443f-b745-3e713c448da4/sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-2a.c [2022-11-23 15:14:30,132 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd147252-4ea4-443f-b745-3e713c448da4/bin/utaipan-Q6hlc19bkW/data/8bdf521bb/f1122d6d99824ffb9ed944cf390cc0e2/FLAG0b0b9d5ee [2022-11-23 15:14:30,150 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd147252-4ea4-443f-b745-3e713c448da4/bin/utaipan-Q6hlc19bkW/data/8bdf521bb/f1122d6d99824ffb9ed944cf390cc0e2 [2022-11-23 15:14:30,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:14:30,158 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:14:30,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:14:30,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:14:30,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:14:30,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:14:30" (1/1) ... [2022-11-23 15:14:30,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24557b44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:14:30, skipping insertion in model container [2022-11-23 15:14:30,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:14:30" (1/1) ... [2022-11-23 15:14:30,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:14:30,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:14:30,533 WARN L237 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_dd147252-4ea4-443f-b745-3e713c448da4/sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-2a.c[37616,37629] [2022-11-23 15:14:30,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:14:30,556 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:14:30,602 WARN L237 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_dd147252-4ea4-443f-b745-3e713c448da4/sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-2a.c[37616,37629] [2022-11-23 15:14:30,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:14:30,617 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:14:30,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:14:30 WrapperNode [2022-11-23 15:14:30,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:14:30,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:14:30,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:14:30,619 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:14:30,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:14:30" (1/1) ... [2022-11-23 15:14:30,637 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:14:30" (1/1) ... [2022-11-23 15:14:30,671 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 486 [2022-11-23 15:14:30,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:14:30,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:14:30,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:14:30,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:14:30,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:14:30" (1/1) ... [2022-11-23 15:14:30,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:14:30" (1/1) ... [2022-11-23 15:14:30,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:14:30" (1/1) ... [2022-11-23 15:14:30,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:14:30" (1/1) ... [2022-11-23 15:14:30,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:14:30" (1/1) ... [2022-11-23 15:14:30,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:14:30" (1/1) ... [2022-11-23 15:14:30,699 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:14:30" (1/1) ... [2022-11-23 15:14:30,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:14:30" (1/1) ... [2022-11-23 15:14:30,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:14:30,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:14:30,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:14:30,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:14:30,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:14:30" (1/1) ... [2022-11-23 15:14:30,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:14:30,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd147252-4ea4-443f-b745-3e713c448da4/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:14:30,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd147252-4ea4-443f-b745-3e713c448da4/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:14:30,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd147252-4ea4-443f-b745-3e713c448da4/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:14:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:14:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:14:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:14:30,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:14:30,926 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:14:30,928 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:14:30,943 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-23 15:14:31,501 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-11-23 15:14:31,502 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-11-23 15:14:31,502 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:14:31,648 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:14:31,648 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 15:14:31,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:14:31 BoogieIcfgContainer [2022-11-23 15:14:31,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:14:31,654 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:14:31,654 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:14:31,657 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:14:31,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:14:30" (1/3) ... [2022-11-23 15:14:31,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28330b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:14:31, skipping insertion in model container [2022-11-23 15:14:31,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:14:30" (2/3) ... [2022-11-23 15:14:31,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28330b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:14:31, skipping insertion in model container [2022-11-23 15:14:31,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:14:31" (3/3) ... [2022-11-23 15:14:31,661 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_clnt_2.BV.c.cil-2a.c [2022-11-23 15:14:31,680 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:14:31,680 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-23 15:14:31,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28330b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:14:31, skipping insertion in model container [2022-11-23 15:14:31,682 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:14:31,682 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:14:31,682 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:14:31,683 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:14:31,683 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:14:31" (3/3) ... [2022-11-23 15:14:31,686 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 15:14:31,701 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2022-11-23 15:14:31,702 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-23 15:14:31,703 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-23 15:14:31,704 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 15:14:31,793 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd147252-4ea4-443f-b745-3e713c448da4/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 15:14:31,794 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:14:31,795 INFO L158 Benchmark]: Toolchain (without parser) took 1637.24ms. Allocated memory is still 165.7MB. Free memory was 122.8MB in the beginning and 80.3MB in the end (delta: 42.5MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2022-11-23 15:14:31,796 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory is still 61.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:14:31,796 INFO L158 Benchmark]: CACSL2BoogieTranslator took 456.37ms. Allocated memory is still 165.7MB. Free memory was 122.4MB in the beginning and 107.7MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 15:14:31,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.02ms. Allocated memory is still 165.7MB. Free memory was 107.4MB in the beginning and 104.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 15:14:31,797 INFO L158 Benchmark]: Boogie Preprocessor took 32.98ms. Allocated memory is still 165.7MB. Free memory was 104.8MB in the beginning and 102.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:14:31,797 INFO L158 Benchmark]: RCFGBuilder took 946.20ms. Allocated memory is still 165.7MB. Free memory was 102.3MB in the beginning and 90.5MB in the end (delta: 11.8MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2022-11-23 15:14:31,798 INFO L158 Benchmark]: TraceAbstraction took 28.07ms. Allocated memory is still 165.7MB. Free memory was 89.6MB in the beginning and 87.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:14:31,798 INFO L158 Benchmark]: Witness Printer took 111.40ms. Allocated memory is still 165.7MB. Free memory was 87.4MB in the beginning and 80.3MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-23 15:14:31,800 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory is still 61.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 456.37ms. Allocated memory is still 165.7MB. Free memory was 122.4MB in the beginning and 107.7MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.02ms. Allocated memory is still 165.7MB. Free memory was 107.4MB in the beginning and 104.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.98ms. Allocated memory is still 165.7MB. Free memory was 104.8MB in the beginning and 102.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 946.20ms. Allocated memory is still 165.7MB. Free memory was 102.3MB in the beginning and 90.5MB in the end (delta: 11.8MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * TraceAbstraction took 28.07ms. Allocated memory is still 165.7MB. Free memory was 89.6MB in the beginning and 87.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 111.40ms. Allocated memory is still 165.7MB. Free memory was 87.4MB in the beginning and 80.3MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. 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 specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-23 15:14:31,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd147252-4ea4-443f-b745-3e713c448da4/bin/utaipan-Q6hlc19bkW/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