./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/bigshot_s2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fcc01f-923b-48b5-a042-33fc52e51d22/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fcc01f-923b-48b5-a042-33fc52e51d22/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fcc01f-923b-48b5-a042-33fc52e51d22/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fcc01f-923b-48b5-a042-33fc52e51d22/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/bigshot_s2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fcc01f-923b-48b5-a042-33fc52e51d22/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fcc01f-923b-48b5-a042-33fc52e51d22/bin/utaipan-6cKwYrpEi9 --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 fa644cc26c2bb4f900e6af52233648196eb4dff503d36a50559ddcf2a4270ffb --- 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-6b4ec56 [2022-11-20 19:45:47,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 19:45:47,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 19:45:47,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 19:45:47,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 19:45:47,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 19:45:47,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 19:45:47,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 19:45:47,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 19:45:47,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 19:45:47,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 19:45:47,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 19:45:47,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 19:45:47,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 19:45:47,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 19:45:47,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 19:45:47,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 19:45:47,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 19:45:47,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 19:45:47,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 19:45:47,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 19:45:47,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 19:45:47,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 19:45:47,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 19:45:47,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 19:45:47,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 19:45:47,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 19:45:47,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 19:45:47,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 19:45:47,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 19:45:47,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 19:45:47,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 19:45:47,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 19:45:47,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 19:45:47,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 19:45:47,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 19:45:47,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 19:45:47,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 19:45:47,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 19:45:47,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 19:45:47,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 19:45:47,436 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fcc01f-923b-48b5-a042-33fc52e51d22/bin/utaipan-6cKwYrpEi9/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-20 19:45:47,496 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 19:45:47,496 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 19:45:47,497 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 19:45:47,497 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 19:45:47,498 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 19:45:47,498 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 19:45:47,498 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 19:45:47,499 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 19:45:47,499 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 19:45:47,499 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 19:45:47,500 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 19:45:47,500 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 19:45:47,500 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 19:45:47,500 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 19:45:47,501 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 19:45:47,501 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 19:45:47,501 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 19:45:47,501 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 19:45:47,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 19:45:47,502 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 19:45:47,502 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 19:45:47,502 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 19:45:47,503 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 19:45:47,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 19:45:47,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 19:45:47,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 19:45:47,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 19:45:47,504 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 19:45:47,504 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 19:45:47,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 19:45:47,504 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 19:45:47,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 19:45:47,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 19:45:47,505 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 19:45:47,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:45:47,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 19:45:47,506 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 19:45:47,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 19:45:47,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 19:45:47,506 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 19:45:47,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 19:45:47,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 19:45:47,507 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 19:45:47,507 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_d9fcc01f-923b-48b5-a042-33fc52e51d22/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fcc01f-923b-48b5-a042-33fc52e51d22/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa644cc26c2bb4f900e6af52233648196eb4dff503d36a50559ddcf2a4270ffb [2022-11-20 19:45:47,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 19:45:47,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 19:45:47,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 19:45:47,875 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 19:45:47,876 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 19:45:47,878 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fcc01f-923b-48b5-a042-33fc52e51d22/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/pthread/bigshot_s2.i [2022-11-20 19:45:51,000 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 19:45:51,388 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 19:45:51,397 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fcc01f-923b-48b5-a042-33fc52e51d22/sv-benchmarks/c/pthread/bigshot_s2.i [2022-11-20 19:45:51,415 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fcc01f-923b-48b5-a042-33fc52e51d22/bin/utaipan-6cKwYrpEi9/data/2442194ca/0de1a80e4a65476799d2af19e1f4fac9/FLAG6b9728463 [2022-11-20 19:45:51,435 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fcc01f-923b-48b5-a042-33fc52e51d22/bin/utaipan-6cKwYrpEi9/data/2442194ca/0de1a80e4a65476799d2af19e1f4fac9 [2022-11-20 19:45:51,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 19:45:51,439 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 19:45:51,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 19:45:51,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 19:45:51,465 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 19:45:51,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:45:51" (1/1) ... [2022-11-20 19:45:51,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@148a8c04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:51, skipping insertion in model container [2022-11-20 19:45:51,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:45:51" (1/1) ... [2022-11-20 19:45:51,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 19:45:51,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:45:52,075 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_d9fcc01f-923b-48b5-a042-33fc52e51d22/sv-benchmarks/c/pthread/bigshot_s2.i[55203,55216] [2022-11-20 19:45:52,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:45:52,100 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 19:45:52,145 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_d9fcc01f-923b-48b5-a042-33fc52e51d22/sv-benchmarks/c/pthread/bigshot_s2.i[55203,55216] [2022-11-20 19:45:52,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:45:52,234 INFO L208 MainTranslator]: Completed translation [2022-11-20 19:45:52,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:52 WrapperNode [2022-11-20 19:45:52,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 19:45:52,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 19:45:52,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 19:45:52,237 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 19:45:52,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:52" (1/1) ... [2022-11-20 19:45:52,265 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:52" (1/1) ... [2022-11-20 19:45:52,291 INFO L138 Inliner]: procedures = 323, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-11-20 19:45:52,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 19:45:52,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 19:45:52,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 19:45:52,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 19:45:52,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:52" (1/1) ... [2022-11-20 19:45:52,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:52" (1/1) ... [2022-11-20 19:45:52,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:52" (1/1) ... [2022-11-20 19:45:52,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:52" (1/1) ... [2022-11-20 19:45:52,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:52" (1/1) ... [2022-11-20 19:45:52,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:52" (1/1) ... [2022-11-20 19:45:52,321 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:52" (1/1) ... [2022-11-20 19:45:52,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:52" (1/1) ... [2022-11-20 19:45:52,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 19:45:52,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 19:45:52,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 19:45:52,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 19:45:52,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:52" (1/1) ... [2022-11-20 19:45:52,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:45:52,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fcc01f-923b-48b5-a042-33fc52e51d22/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:45:52,369 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fcc01f-923b-48b5-a042-33fc52e51d22/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 19:45:52,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fcc01f-923b-48b5-a042-33fc52e51d22/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 19:45:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 19:45:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 19:45:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 19:45:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 19:45:52,425 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 19:45:52,426 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 19:45:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 19:45:52,426 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 19:45:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 19:45:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 19:45:52,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 19:45:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 19:45:52,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 19:45:52,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 19:45:52,429 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 19:45:52,585 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 19:45:52,593 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 19:45:52,870 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 19:45:52,888 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 19:45:52,888 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 19:45:52,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:45:52 BoogieIcfgContainer [2022-11-20 19:45:52,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 19:45:52,893 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 19:45:52,894 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 19:45:52,900 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 19:45:52,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:45:51" (1/3) ... [2022-11-20 19:45:52,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b958db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:45:52, skipping insertion in model container [2022-11-20 19:45:52,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:52" (2/3) ... [2022-11-20 19:45:52,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b958db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:45:52, skipping insertion in model container [2022-11-20 19:45:52,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:45:52" (3/3) ... [2022-11-20 19:45:52,904 INFO L112 eAbstractionObserver]: Analyzing ICFG bigshot_s2.i [2022-11-20 19:45:52,914 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 19:45:52,924 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 19:45:52,924 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-20 19:45:52,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b958db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:45:52, skipping insertion in model container [2022-11-20 19:45:52,926 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 19:45:52,926 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 19:45:52,926 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 19:45:52,927 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 19:45:52,927 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:45:52" (3/3) ... [2022-11-20 19:45:52,931 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 19:45:52,939 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-20 19:45:52,939 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-20 19:45:52,944 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-20 19:45:52,944 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 19:45:52,945 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 19:45:52,945 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 19:45:52,945 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 19:45:52,981 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fcc01f-923b-48b5-a042-33fc52e51d22/bin/utaipan-6cKwYrpEi9/witness.graphml [2022-11-20 19:45:52,981 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 19:45:52,983 INFO L158 Benchmark]: Toolchain (without parser) took 1543.04ms. Allocated memory is still 165.7MB. Free memory was 135.3MB in the beginning and 80.8MB in the end (delta: 54.5MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2022-11-20 19:45:52,983 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 127.9MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 19:45:52,984 INFO L158 Benchmark]: CACSL2BoogieTranslator took 792.92ms. Allocated memory is still 165.7MB. Free memory was 135.1MB in the beginning and 104.6MB in the end (delta: 30.5MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2022-11-20 19:45:52,988 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.04ms. Allocated memory is still 165.7MB. Free memory was 104.6MB in the beginning and 101.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 19:45:52,993 INFO L158 Benchmark]: Boogie Preprocessor took 33.51ms. Allocated memory is still 165.7MB. Free memory was 101.9MB in the beginning and 100.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 19:45:52,993 INFO L158 Benchmark]: RCFGBuilder took 564.22ms. Allocated memory is still 165.7MB. Free memory was 100.5MB in the beginning and 86.5MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 19:45:52,994 INFO L158 Benchmark]: TraceAbstraction took 32.45ms. Allocated memory is still 165.7MB. Free memory was 85.8MB in the beginning and 83.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 19:45:52,995 INFO L158 Benchmark]: Witness Printer took 55.05ms. Allocated memory is still 165.7MB. Free memory was 83.7MB in the beginning and 80.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 19:45:53,002 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 127.9MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 792.92ms. Allocated memory is still 165.7MB. Free memory was 135.1MB in the beginning and 104.6MB in the end (delta: 30.5MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.04ms. Allocated memory is still 165.7MB. Free memory was 104.6MB in the beginning and 101.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.51ms. Allocated memory is still 165.7MB. Free memory was 101.9MB in the beginning and 100.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 564.22ms. Allocated memory is still 165.7MB. Free memory was 100.5MB in the beginning and 86.5MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 32.45ms. Allocated memory is still 165.7MB. Free memory was 85.8MB in the beginning and 83.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 55.05ms. Allocated memory is still 165.7MB. Free memory was 83.7MB in the beginning and 80.8MB in the end (delta: 2.8MB). 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 specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-20 19:45:53,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fcc01f-923b-48b5-a042-33fc52e51d22/bin/utaipan-6cKwYrpEi9/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