./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4633300b13c3e317f8d3cd1cc05f3f76ba271ffedabaa8599cd9617354fa2b7b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:17:02,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:17:02,878 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:17:02,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:17:02,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:17:02,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:17:02,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:17:02,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:17:02,952 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:17:02,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:17:02,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:17:02,956 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:17:02,957 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:17:02,958 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:17:02,960 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:17:02,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:17:02,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:17:02,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:17:02,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:17:02,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:17:02,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:17:02,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:17:02,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:17:02,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:17:02,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:17:02,981 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:17:02,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:17:02,983 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:17:02,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:17:02,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:17:02,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:17:02,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:17:02,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:17:02,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:17:02,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:17:02,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:17:02,991 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:17:02,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:17:02,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:17:02,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:17:02,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:17:02,999 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:17:03,029 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:17:03,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:17:03,029 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:17:03,030 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:17:03,030 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:17:03,031 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:17:03,031 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:17:03,031 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:17:03,031 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:17:03,032 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:17:03,032 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:17:03,032 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:17:03,032 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:17:03,033 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:17:03,033 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:17:03,033 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:17:03,033 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:17:03,034 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:17:03,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:17:03,035 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:17:03,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:17:03,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:17:03,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:17:03,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:17:03,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:17:03,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:17:03,037 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:17:03,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:17:03,037 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:17:03,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:17:03,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:17:03,038 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:17:03,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:17:03,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:17:03,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:17:03,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:17:03,039 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:17:03,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:17:03,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:17:03,039 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:17:03,040 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:17:03,040 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_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4633300b13c3e317f8d3cd1cc05f3f76ba271ffedabaa8599cd9617354fa2b7b [2021-11-23 17:17:03,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:17:03,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:17:03,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:17:03,440 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:17:03,441 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:17:03,443 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2021-11-23 17:17:03,534 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/bin/utaipan-fb15Y9Yzbl/data/59642a050/2ca858ad413b4fecac624a0490a36cd6/FLAGe7fa0d66d [2021-11-23 17:17:04,177 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:17:04,178 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2021-11-23 17:17:04,198 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/bin/utaipan-fb15Y9Yzbl/data/59642a050/2ca858ad413b4fecac624a0490a36cd6/FLAGe7fa0d66d [2021-11-23 17:17:04,470 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/bin/utaipan-fb15Y9Yzbl/data/59642a050/2ca858ad413b4fecac624a0490a36cd6 [2021-11-23 17:17:04,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:17:04,487 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:17:04,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:17:04,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:17:04,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:17:04,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:17:04" (1/1) ... [2021-11-23 17:17:04,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e6bc252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:04, skipping insertion in model container [2021-11-23 17:17:04,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:17:04" (1/1) ... [2021-11-23 17:17:04,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:17:04,590 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:17:04,810 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_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2021-11-23 17:17:05,016 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:17:05,027 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:17:05,042 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_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2021-11-23 17:17:05,081 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:17:05,123 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:17:05,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:05 WrapperNode [2021-11-23 17:17:05,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:17:05,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:17:05,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:17:05,126 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:17:05,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:05" (1/1) ... [2021-11-23 17:17:05,160 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:05" (1/1) ... [2021-11-23 17:17:05,201 INFO L137 Inliner]: procedures = 177, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 82 [2021-11-23 17:17:05,202 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:17:05,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:17:05,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:17:05,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:17:05,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:05" (1/1) ... [2021-11-23 17:17:05,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:05" (1/1) ... [2021-11-23 17:17:05,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:05" (1/1) ... [2021-11-23 17:17:05,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:05" (1/1) ... [2021-11-23 17:17:05,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:05" (1/1) ... [2021-11-23 17:17:05,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:05" (1/1) ... [2021-11-23 17:17:05,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:05" (1/1) ... [2021-11-23 17:17:05,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:17:05,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:17:05,255 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:17:05,255 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:17:05,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:05" (1/1) ... [2021-11-23 17:17:05,267 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:17:05,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:17:05,299 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:17:05,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:17:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:17:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 17:17:05,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:17:05,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:17:05,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:17:05,359 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 17:17:05,359 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 17:17:05,359 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 17:17:05,359 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 17:17:05,360 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 17:17:05,360 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 17:17:05,360 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-23 17:17:05,360 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-23 17:17:05,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:17:05,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 17:17:05,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:17:05,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:17:05,362 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 17:17:05,479 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:17:05,481 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:17:05,768 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:17:05,776 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:17:05,776 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 17:17:05,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:17:05 BoogieIcfgContainer [2021-11-23 17:17:05,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:17:05,780 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:17:05,781 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:17:05,787 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:17:05,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:17:04" (1/3) ... [2021-11-23 17:17:05,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a1e11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:17:05, skipping insertion in model container [2021-11-23 17:17:05,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:05" (2/3) ... [2021-11-23 17:17:05,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a1e11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:17:05, skipping insertion in model container [2021-11-23 17:17:05,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:17:05" (3/3) ... [2021-11-23 17:17:05,791 INFO L111 eAbstractionObserver]: Analyzing ICFG safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2021-11-23 17:17:05,796 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 17:17:05,797 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:17:05,797 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:17:05,797 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 17:17:05,838 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,838 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,838 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,839 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,839 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,839 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,839 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,839 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,840 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,840 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,841 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,841 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,841 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,842 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,842 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,842 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,843 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,843 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,843 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,843 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,844 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,844 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,844 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,845 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,845 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,845 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,846 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,846 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,846 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,846 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,846 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,847 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,847 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,847 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,848 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,848 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,849 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,849 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,849 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,849 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,849 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,850 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,850 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,850 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,850 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,851 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,851 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,851 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:05,852 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.connectThreadInstances(ThreadInstanceAdder.java:116) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:136) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.petrify(TraceAbstractionStarter.java:514) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:17:05,858 INFO L158 Benchmark]: Toolchain (without parser) took 1369.63ms. Allocated memory is still 100.7MB. Free memory was 58.6MB in the beginning and 41.3MB in the end (delta: 17.2MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2021-11-23 17:17:05,859 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory is still 76.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:17:05,860 INFO L158 Benchmark]: CACSL2BoogieTranslator took 636.21ms. Allocated memory is still 100.7MB. Free memory was 58.4MB in the beginning and 63.7MB in the end (delta: -5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:17:05,861 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.47ms. Allocated memory is still 100.7MB. Free memory was 63.7MB in the beginning and 61.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:17:05,862 INFO L158 Benchmark]: Boogie Preprocessor took 51.00ms. Allocated memory is still 100.7MB. Free memory was 61.5MB in the beginning and 59.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:17:05,863 INFO L158 Benchmark]: RCFGBuilder took 524.25ms. Allocated memory is still 100.7MB. Free memory was 59.9MB in the beginning and 47.1MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:17:05,864 INFO L158 Benchmark]: TraceAbstraction took 75.10ms. Allocated memory is still 100.7MB. Free memory was 46.5MB in the beginning and 41.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:17:05,870 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory is still 76.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 636.21ms. Allocated memory is still 100.7MB. Free memory was 58.4MB in the beginning and 63.7MB in the end (delta: -5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.47ms. Allocated memory is still 100.7MB. Free memory was 63.7MB in the beginning and 61.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.00ms. Allocated memory is still 100.7MB. Free memory was 61.5MB in the beginning and 59.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 524.25ms. Allocated memory is still 100.7MB. Free memory was 59.9MB in the beginning and 47.1MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 75.10ms. Allocated memory is still 100.7MB. Free memory was 46.5MB in the beginning and 41.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:17:05,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/bin/utaipan-fb15Y9Yzbl/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4633300b13c3e317f8d3cd1cc05f3f76ba271ffedabaa8599cd9617354fa2b7b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:17:08,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:17:08,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:17:08,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:17:08,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:17:08,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:17:08,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:17:08,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:17:08,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:17:08,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:17:08,748 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:17:08,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:17:08,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:17:08,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:17:08,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:17:08,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:17:08,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:17:08,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:17:08,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:17:08,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:17:08,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:17:08,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:17:08,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:17:08,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:17:08,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:17:08,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:17:08,777 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:17:08,778 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:17:08,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:17:08,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:17:08,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:17:08,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:17:08,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:17:08,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:17:08,786 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:17:08,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:17:08,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:17:08,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:17:08,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:17:08,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:17:08,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:17:08,793 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:17:08,844 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:17:08,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:17:08,845 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:17:08,845 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:17:08,846 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:17:08,846 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:17:08,847 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:17:08,847 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:17:08,847 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:17:08,847 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:17:08,848 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:17:08,848 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:17:08,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:17:08,849 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:17:08,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:17:08,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:17:08,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:17:08,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:17:08,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:17:08,850 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:17:08,850 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:17:08,851 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:17:08,851 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:17:08,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:17:08,851 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:17:08,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:17:08,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:17:08,852 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:17:08,852 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:17:08,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:17:08,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:17:08,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:17:08,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:17:08,853 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:17:08,853 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:17:08,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:17:08,854 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:17:08,854 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:17:08,854 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4633300b13c3e317f8d3cd1cc05f3f76ba271ffedabaa8599cd9617354fa2b7b [2021-11-23 17:17:09,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:17:09,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:17:09,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:17:09,282 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:17:09,283 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:17:09,284 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2021-11-23 17:17:09,362 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/bin/utaipan-fb15Y9Yzbl/data/c12ccc34f/cb0979b4058c4c86ae68acc4f6fc6fe7/FLAG961777fba [2021-11-23 17:17:10,147 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:17:10,148 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2021-11-23 17:17:10,178 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/bin/utaipan-fb15Y9Yzbl/data/c12ccc34f/cb0979b4058c4c86ae68acc4f6fc6fe7/FLAG961777fba [2021-11-23 17:17:10,382 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/bin/utaipan-fb15Y9Yzbl/data/c12ccc34f/cb0979b4058c4c86ae68acc4f6fc6fe7 [2021-11-23 17:17:10,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:17:10,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:17:10,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:17:10,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:17:10,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:17:10,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:17:10" (1/1) ... [2021-11-23 17:17:10,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@322f132c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:10, skipping insertion in model container [2021-11-23 17:17:10,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:17:10" (1/1) ... [2021-11-23 17:17:10,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:17:10,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:17:10,674 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_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2021-11-23 17:17:11,009 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:17:11,027 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:17:11,049 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_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/sv-benchmarks/c/pthread-wmm/safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2021-11-23 17:17:11,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:17:11,184 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:17:11,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:11 WrapperNode [2021-11-23 17:17:11,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:17:11,186 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:17:11,186 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:17:11,187 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:17:11,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:11" (1/1) ... [2021-11-23 17:17:11,233 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:11" (1/1) ... [2021-11-23 17:17:11,258 INFO L137 Inliner]: procedures = 180, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 83 [2021-11-23 17:17:11,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:17:11,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:17:11,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:17:11,260 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:17:11,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:11" (1/1) ... [2021-11-23 17:17:11,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:11" (1/1) ... [2021-11-23 17:17:11,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:11" (1/1) ... [2021-11-23 17:17:11,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:11" (1/1) ... [2021-11-23 17:17:11,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:11" (1/1) ... [2021-11-23 17:17:11,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:11" (1/1) ... [2021-11-23 17:17:11,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:11" (1/1) ... [2021-11-23 17:17:11,292 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:17:11,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:17:11,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:17:11,294 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:17:11,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:11" (1/1) ... [2021-11-23 17:17:11,302 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:17:11,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:17:11,326 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:17:11,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:17:11,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 17:17:11,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:17:11,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:17:11,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:17:11,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:17:11,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:17:11,373 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 17:17:11,373 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 17:17:11,373 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 17:17:11,373 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 17:17:11,373 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 17:17:11,373 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 17:17:11,374 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-23 17:17:11,374 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-23 17:17:11,374 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 17:17:11,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:17:11,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:17:11,376 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 17:17:11,569 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:17:11,571 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:17:11,861 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:17:11,870 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:17:11,870 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 17:17:11,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:17:11 BoogieIcfgContainer [2021-11-23 17:17:11,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:17:11,875 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:17:11,875 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:17:11,878 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:17:11,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:17:10" (1/3) ... [2021-11-23 17:17:11,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66c88aef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:17:11, skipping insertion in model container [2021-11-23 17:17:11,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:11" (2/3) ... [2021-11-23 17:17:11,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66c88aef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:17:11, skipping insertion in model container [2021-11-23 17:17:11,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:17:11" (3/3) ... [2021-11-23 17:17:11,881 INFO L111 eAbstractionObserver]: Analyzing ICFG safe019_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2021-11-23 17:17:11,887 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 17:17:11,887 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:17:11,887 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:17:11,888 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 17:17:11,922 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,922 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,923 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,923 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,923 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,923 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,923 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,923 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,924 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,924 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,924 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,925 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,925 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,925 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,925 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,925 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,926 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,926 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,926 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,926 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,927 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,927 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,927 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,927 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,928 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,928 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,928 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,928 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,928 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,929 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,929 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,929 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,929 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,930 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,930 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,930 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,930 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,931 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,931 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,931 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,931 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,931 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,931 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,932 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,932 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,932 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,932 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,933 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 17:17:11,934 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.connectThreadInstances(ThreadInstanceAdder.java:116) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:136) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.petrify(TraceAbstractionStarter.java:514) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:17:11,938 INFO L158 Benchmark]: Toolchain (without parser) took 1548.41ms. Allocated memory is still 75.5MB. Free memory was 59.7MB in the beginning and 51.0MB in the end (delta: 8.7MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2021-11-23 17:17:11,938 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 75.5MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:17:11,939 INFO L158 Benchmark]: CACSL2BoogieTranslator took 795.61ms. Allocated memory is still 75.5MB. Free memory was 59.5MB in the beginning and 48.9MB in the end (delta: 10.7MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2021-11-23 17:17:11,940 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.52ms. Allocated memory is still 75.5MB. Free memory was 48.7MB in the beginning and 46.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:17:11,941 INFO L158 Benchmark]: Boogie Preprocessor took 33.17ms. Allocated memory is still 75.5MB. Free memory was 46.6MB in the beginning and 44.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:17:11,942 INFO L158 Benchmark]: RCFGBuilder took 579.65ms. Allocated memory is still 75.5MB. Free memory was 44.8MB in the beginning and 56.9MB in the end (delta: -12.1MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2021-11-23 17:17:11,943 INFO L158 Benchmark]: TraceAbstraction took 60.96ms. Allocated memory is still 75.5MB. Free memory was 56.3MB in the beginning and 51.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:17:11,948 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 75.5MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 795.61ms. Allocated memory is still 75.5MB. Free memory was 59.5MB in the beginning and 48.9MB in the end (delta: 10.7MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.52ms. Allocated memory is still 75.5MB. Free memory was 48.7MB in the beginning and 46.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.17ms. Allocated memory is still 75.5MB. Free memory was 46.6MB in the beginning and 44.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 579.65ms. Allocated memory is still 75.5MB. Free memory was 44.8MB in the beginning and 56.9MB in the end (delta: -12.1MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * TraceAbstraction took 60.96ms. Allocated memory is still 75.5MB. Free memory was 56.3MB in the beginning and 51.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:17:12,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_955d3d0c-7be6-4cf7-9041-0705f9eb3c2e/bin/utaipan-fb15Y9Yzbl/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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable