./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix027_tso.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_b43fff75-519e-4096-819c-180eb1363858/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43fff75-519e-4096-819c-180eb1363858/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_b43fff75-519e-4096-819c-180eb1363858/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43fff75-519e-4096-819c-180eb1363858/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix027_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43fff75-519e-4096-819c-180eb1363858/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_b43fff75-519e-4096-819c-180eb1363858/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 ca8042a994ed433e8dc5deebabd166a79d030a0388291f832432b8dc85340f9d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:15:57,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:15:57,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:15:57,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:15:57,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:15:57,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:15:57,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:15:57,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:15:57,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:15:57,099 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:15:57,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:15:57,102 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:15:57,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:15:57,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:15:57,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:15:57,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:15:57,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:15:57,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:15:57,114 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:15:57,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:15:57,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:15:57,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:15:57,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:15:57,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:15:57,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:15:57,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:15:57,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:15:57,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:15:57,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:15:57,134 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:15:57,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:15:57,136 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:15:57,137 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:15:57,138 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:15:57,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:15:57,140 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:15:57,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:15:57,142 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:15:57,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:15:57,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:15:57,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:15:57,146 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43fff75-519e-4096-819c-180eb1363858/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:15:57,194 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:15:57,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:15:57,197 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:15:57,197 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:15:57,206 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:15:57,206 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:15:57,207 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:15:57,207 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:15:57,207 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:15:57,208 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:15:57,209 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:15:57,209 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:15:57,210 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:15:57,210 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:15:57,210 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:15:57,211 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:15:57,211 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:15:57,211 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:15:57,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:15:57,213 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:15:57,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:15:57,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:15:57,214 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:15:57,214 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:15:57,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:15:57,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:15:57,215 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:15:57,215 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:15:57,216 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:15:57,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:15:57,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:15:57,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:15:57,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:15:57,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:15:57,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:15:57,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:15:57,218 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:15:57,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:15:57,219 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:15:57,219 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:15:57,219 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:15:57,219 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_b43fff75-519e-4096-819c-180eb1363858/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43fff75-519e-4096-819c-180eb1363858/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca8042a994ed433e8dc5deebabd166a79d030a0388291f832432b8dc85340f9d [2021-11-23 17:15:57,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:15:57,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:15:57,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:15:57,607 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:15:57,609 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:15:57,610 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43fff75-519e-4096-819c-180eb1363858/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-wmm/mix027_tso.i [2021-11-23 17:15:57,681 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43fff75-519e-4096-819c-180eb1363858/bin/utaipan-fb15Y9Yzbl/data/f2a8fb37a/e98dfac11cb646e4989909db8818d5ab/FLAG7da8a3205 [2021-11-23 17:15:58,276 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:15:58,277 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43fff75-519e-4096-819c-180eb1363858/sv-benchmarks/c/pthread-wmm/mix027_tso.i [2021-11-23 17:15:58,298 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43fff75-519e-4096-819c-180eb1363858/bin/utaipan-fb15Y9Yzbl/data/f2a8fb37a/e98dfac11cb646e4989909db8818d5ab/FLAG7da8a3205 [2021-11-23 17:15:58,550 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43fff75-519e-4096-819c-180eb1363858/bin/utaipan-fb15Y9Yzbl/data/f2a8fb37a/e98dfac11cb646e4989909db8818d5ab [2021-11-23 17:15:58,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:15:58,555 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:15:58,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:15:58,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:15:58,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:15:58,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:15:58" (1/1) ... [2021-11-23 17:15:58,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24adae78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:58, skipping insertion in model container [2021-11-23 17:15:58,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:15:58" (1/1) ... [2021-11-23 17:15:58,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:15:58,638 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:15:58,866 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_b43fff75-519e-4096-819c-180eb1363858/sv-benchmarks/c/pthread-wmm/mix027_tso.i[944,957] [2021-11-23 17:15:59,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:15:59,107 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:15:59,125 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_b43fff75-519e-4096-819c-180eb1363858/sv-benchmarks/c/pthread-wmm/mix027_tso.i[944,957] [2021-11-23 17:15:59,220 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:15:59,267 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:15:59,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:59 WrapperNode [2021-11-23 17:15:59,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:15:59,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:15:59,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:15:59,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:15:59,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:59" (1/1) ... [2021-11-23 17:15:59,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:59" (1/1) ... [2021-11-23 17:15:59,363 INFO L137 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 291 [2021-11-23 17:15:59,364 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:15:59,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:15:59,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:15:59,365 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:15:59,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:59" (1/1) ... [2021-11-23 17:15:59,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:59" (1/1) ... [2021-11-23 17:15:59,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:59" (1/1) ... [2021-11-23 17:15:59,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:59" (1/1) ... [2021-11-23 17:15:59,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:59" (1/1) ... [2021-11-23 17:15:59,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:59" (1/1) ... [2021-11-23 17:15:59,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:59" (1/1) ... [2021-11-23 17:15:59,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:15:59,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:15:59,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:15:59,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:15:59,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:15:59" (1/1) ... [2021-11-23 17:15:59,474 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:15:59,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43fff75-519e-4096-819c-180eb1363858/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:15:59,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43fff75-519e-4096-819c-180eb1363858/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:15:59,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43fff75-519e-4096-819c-180eb1363858/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:15:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:15:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 17:15:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:15:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:15:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:15:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 17:15:59,575 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 17:15:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 17:15:59,575 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 17:15:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 17:15:59,575 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 17:15:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-23 17:15:59,576 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-23 17:15:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:15:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 17:15:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:15:59,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:15:59,579 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 17:15:59,844 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:15:59,845 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:16:00,603 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:16:00,816 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 17:16:00,822 INFO L158 Benchmark]: Toolchain (without parser) took 2264.78ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 63.5MB in the beginning and 85.0MB in the end (delta: -21.5MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2021-11-23 17:16:00,822 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 107.0MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:16:00,824 INFO L158 Benchmark]: CACSL2BoogieTranslator took 699.04ms. Allocated memory is still 107.0MB. Free memory was 63.3MB in the beginning and 66.9MB in the end (delta: -3.6MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2021-11-23 17:16:00,826 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.86ms. Allocated memory is still 107.0MB. Free memory was 66.9MB in the beginning and 64.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:16:00,827 INFO L158 Benchmark]: Boogie Preprocessor took 74.89ms. Allocated memory is still 107.0MB. Free memory was 64.1MB in the beginning and 61.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:16:00,828 INFO L158 Benchmark]: RCFGBuilder took 1378.43ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 61.7MB in the beginning and 85.0MB in the end (delta: -23.3MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2021-11-23 17:16:00,837 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 107.0MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 699.04ms. Allocated memory is still 107.0MB. Free memory was 63.3MB in the beginning and 66.9MB in the end (delta: -3.6MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.86ms. Allocated memory is still 107.0MB. Free memory was 66.9MB in the beginning and 64.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.89ms. Allocated memory is still 107.0MB. Free memory was 64.1MB in the beginning and 61.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1378.43ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 61.7MB in the beginning and 85.0MB in the end (delta: -23.3MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:16:00,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43fff75-519e-4096-819c-180eb1363858/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_b43fff75-519e-4096-819c-180eb1363858/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43fff75-519e-4096-819c-180eb1363858/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_b43fff75-519e-4096-819c-180eb1363858/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43fff75-519e-4096-819c-180eb1363858/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix027_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43fff75-519e-4096-819c-180eb1363858/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_b43fff75-519e-4096-819c-180eb1363858/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 ca8042a994ed433e8dc5deebabd166a79d030a0388291f832432b8dc85340f9d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:16:03,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:16:03,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:16:03,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:16:03,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:16:03,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:16:03,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:16:03,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:16:03,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:16:03,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:16:03,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:16:03,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:16:03,749 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:16:03,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:16:03,752 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:16:03,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:16:03,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:16:03,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:16:03,765 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:16:03,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:16:03,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:16:03,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:16:03,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:16:03,783 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:16:03,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:16:03,789 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:16:03,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:16:03,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:16:03,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:16:03,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:16:03,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:16:03,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:16:03,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:16:03,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:16:03,828 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:16:03,828 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:16:03,829 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:16:03,829 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:16:03,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:16:03,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:16:03,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:16:03,833 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43fff75-519e-4096-819c-180eb1363858/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:16:03,876 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:16:03,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:16:03,877 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:16:03,878 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:16:03,879 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:16:03,879 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:16:03,879 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:16:03,879 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:16:03,880 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:16:03,880 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:16:03,881 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:16:03,881 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:16:03,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:16:03,883 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:16:03,883 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:16:03,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:16:03,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:16:03,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:16:03,884 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:16:03,884 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:16:03,884 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:16:03,885 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:16:03,885 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:16:03,885 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:16:03,885 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:16:03,885 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:16:03,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:16:03,886 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:16:03,886 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:16:03,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:16:03,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:16:03,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:16:03,887 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:16:03,888 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:16:03,888 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:16:03,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:16:03,888 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:16:03,889 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:16:03,889 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_b43fff75-519e-4096-819c-180eb1363858/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43fff75-519e-4096-819c-180eb1363858/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca8042a994ed433e8dc5deebabd166a79d030a0388291f832432b8dc85340f9d [2021-11-23 17:16:04,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:16:04,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:16:04,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:16:04,306 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:16:04,307 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:16:04,308 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43fff75-519e-4096-819c-180eb1363858/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-wmm/mix027_tso.i [2021-11-23 17:16:04,370 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43fff75-519e-4096-819c-180eb1363858/bin/utaipan-fb15Y9Yzbl/data/037bd6e52/c3cd425b7e6742058ddbb6633f84c35a/FLAG28712f3d5 [2021-11-23 17:16:04,980 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:16:04,980 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43fff75-519e-4096-819c-180eb1363858/sv-benchmarks/c/pthread-wmm/mix027_tso.i [2021-11-23 17:16:04,999 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43fff75-519e-4096-819c-180eb1363858/bin/utaipan-fb15Y9Yzbl/data/037bd6e52/c3cd425b7e6742058ddbb6633f84c35a/FLAG28712f3d5 [2021-11-23 17:16:05,241 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43fff75-519e-4096-819c-180eb1363858/bin/utaipan-fb15Y9Yzbl/data/037bd6e52/c3cd425b7e6742058ddbb6633f84c35a [2021-11-23 17:16:05,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:16:05,246 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:16:05,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:16:05,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:16:05,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:16:05,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:16:05" (1/1) ... [2021-11-23 17:16:05,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56b2bef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:05, skipping insertion in model container [2021-11-23 17:16:05,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:16:05" (1/1) ... [2021-11-23 17:16:05,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:16:05,369 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:16:05,530 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_b43fff75-519e-4096-819c-180eb1363858/sv-benchmarks/c/pthread-wmm/mix027_tso.i[944,957] [2021-11-23 17:16:05,819 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:16:05,839 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:16:05,851 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_b43fff75-519e-4096-819c-180eb1363858/sv-benchmarks/c/pthread-wmm/mix027_tso.i[944,957] [2021-11-23 17:16:05,899 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:16:05,952 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:16:05,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:05 WrapperNode [2021-11-23 17:16:05,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:16:05,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:16:05,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:16:05,954 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:16:05,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:05" (1/1) ... [2021-11-23 17:16:05,983 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:05" (1/1) ... [2021-11-23 17:16:06,018 INFO L137 Inliner]: procedures = 180, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 292 [2021-11-23 17:16:06,018 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:16:06,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:16:06,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:16:06,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:16:06,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:05" (1/1) ... [2021-11-23 17:16:06,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:05" (1/1) ... [2021-11-23 17:16:06,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:05" (1/1) ... [2021-11-23 17:16:06,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:05" (1/1) ... [2021-11-23 17:16:06,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:05" (1/1) ... [2021-11-23 17:16:06,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:05" (1/1) ... [2021-11-23 17:16:06,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:05" (1/1) ... [2021-11-23 17:16:06,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:16:06,097 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:16:06,097 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:16:06,097 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:16:06,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:05" (1/1) ... [2021-11-23 17:16:06,109 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:16:06,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43fff75-519e-4096-819c-180eb1363858/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:16:06,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43fff75-519e-4096-819c-180eb1363858/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:16:06,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43fff75-519e-4096-819c-180eb1363858/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:16:06,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 17:16:06,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:16:06,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:16:06,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:16:06,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:16:06,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:16:06,186 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 17:16:06,186 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 17:16:06,186 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 17:16:06,186 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 17:16:06,186 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 17:16:06,186 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 17:16:06,187 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-23 17:16:06,187 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-23 17:16:06,187 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 17:16:06,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:16:06,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:16:06,189 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 17:16:06,326 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:16:06,328 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:16:06,920 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:16:07,069 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 17:16:07,075 INFO L158 Benchmark]: Toolchain (without parser) took 1826.41ms. Allocated memory is still 86.0MB. Free memory was 49.1MB in the beginning and 63.8MB in the end (delta: -14.7MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2021-11-23 17:16:07,077 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 86.0MB. Free memory was 67.2MB in the beginning and 67.1MB in the end (delta: 72.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:16:07,078 INFO L158 Benchmark]: CACSL2BoogieTranslator took 705.48ms. Allocated memory is still 86.0MB. Free memory was 48.9MB in the beginning and 48.0MB in the end (delta: 918.4kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:16:07,079 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.63ms. Allocated memory is still 86.0MB. Free memory was 48.0MB in the beginning and 44.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:16:07,080 INFO L158 Benchmark]: Boogie Preprocessor took 64.63ms. Allocated memory is still 86.0MB. Free memory was 44.8MB in the beginning and 42.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:16:07,081 INFO L158 Benchmark]: RCFGBuilder took 974.23ms. Allocated memory is still 86.0MB. Free memory was 42.0MB in the beginning and 63.8MB in the end (delta: -21.8MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2021-11-23 17:16:07,089 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 86.0MB. Free memory was 67.2MB in the beginning and 67.1MB in the end (delta: 72.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 705.48ms. Allocated memory is still 86.0MB. Free memory was 48.9MB in the beginning and 48.0MB in the end (delta: 918.4kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.63ms. Allocated memory is still 86.0MB. Free memory was 48.0MB in the beginning and 44.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.63ms. Allocated memory is still 86.0MB. Free memory was 44.8MB in the beginning and 42.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 974.23ms. Allocated memory is still 86.0MB. Free memory was 42.0MB in the beginning and 63.8MB in the end (delta: -21.8MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 17:16:07,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b43fff75-519e-4096-819c-180eb1363858/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