./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe007_power.opt-thin001_power.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_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/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_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe007_power.opt-thin001_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/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_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/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 6328ead9c10c029445fd051d7c6329db494c1000fb08b7313fbd69c70835e259 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:27:40,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:27:40,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:27:40,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:27:40,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:27:40,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:27:40,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:27:40,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:27:40,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:27:40,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:27:40,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:27:40,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:27:40,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:27:40,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:27:40,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:27:40,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:27:40,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:27:40,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:27:40,216 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:27:40,219 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:27:40,221 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:27:40,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:27:40,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:27:40,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:27:40,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:27:40,231 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:27:40,231 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:27:40,232 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:27:40,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:27:40,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:27:40,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:27:40,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:27:40,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:27:40,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:27:40,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:27:40,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:27:40,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:27:40,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:27:40,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:27:40,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:27:40,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:27:40,244 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:27:40,273 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:27:40,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:27:40,274 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:27:40,274 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:27:40,275 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:27:40,275 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:27:40,275 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:27:40,275 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:27:40,276 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:27:40,276 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:27:40,276 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:27:40,276 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:27:40,276 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:27:40,277 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:27:40,277 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:27:40,277 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:27:40,277 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:27:40,277 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:27:40,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:27:40,278 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:27:40,279 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:27:40,279 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:27:40,279 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:27:40,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:27:40,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:27:40,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:27:40,280 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:27:40,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:27:40,280 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:27:40,280 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:27:40,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:27:40,281 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:27:40,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:27:40,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:27:40,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:27:40,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:27:40,295 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:27:40,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:27:40,295 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:27:40,296 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:27:40,296 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:27:40,296 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_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6328ead9c10c029445fd051d7c6329db494c1000fb08b7313fbd69c70835e259 [2021-11-23 17:27:40,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:27:40,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:27:40,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:27:40,591 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:27:40,592 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:27:40,593 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-wmm/safe007_power.opt-thin001_power.opt.i [2021-11-23 17:27:40,675 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/bin/utaipan-fb15Y9Yzbl/data/e18a410a5/b268dcd3b2d3404384f92d37b7590e1c/FLAG9bcea47f3 [2021-11-23 17:27:41,294 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:27:41,295 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/sv-benchmarks/c/pthread-wmm/safe007_power.opt-thin001_power.opt.i [2021-11-23 17:27:41,313 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/bin/utaipan-fb15Y9Yzbl/data/e18a410a5/b268dcd3b2d3404384f92d37b7590e1c/FLAG9bcea47f3 [2021-11-23 17:27:41,516 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/bin/utaipan-fb15Y9Yzbl/data/e18a410a5/b268dcd3b2d3404384f92d37b7590e1c [2021-11-23 17:27:41,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:27:41,520 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:27:41,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:27:41,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:27:41,525 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:27:41,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:27:41" (1/1) ... [2021-11-23 17:27:41,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e343c2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:27:41, skipping insertion in model container [2021-11-23 17:27:41,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:27:41" (1/1) ... [2021-11-23 17:27:41,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:27:41,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:27:41,797 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_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/sv-benchmarks/c/pthread-wmm/safe007_power.opt-thin001_power.opt.i[969,982] [2021-11-23 17:27:42,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:27:42,109 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:27:42,128 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_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/sv-benchmarks/c/pthread-wmm/safe007_power.opt-thin001_power.opt.i[969,982] [2021-11-23 17:27:42,229 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:27:42,282 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:27:42,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:27:42 WrapperNode [2021-11-23 17:27:42,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:27:42,284 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:27:42,285 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:27:42,285 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:27:42,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:27:42" (1/1) ... [2021-11-23 17:27:42,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:27:42" (1/1) ... [2021-11-23 17:27:42,378 INFO L137 Inliner]: procedures = 176, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 213 [2021-11-23 17:27:42,379 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:27:42,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:27:42,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:27:42,380 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:27:42,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:27:42" (1/1) ... [2021-11-23 17:27:42,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:27:42" (1/1) ... [2021-11-23 17:27:42,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:27:42" (1/1) ... [2021-11-23 17:27:42,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:27:42" (1/1) ... [2021-11-23 17:27:42,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:27:42" (1/1) ... [2021-11-23 17:27:42,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:27:42" (1/1) ... [2021-11-23 17:27:42,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:27:42" (1/1) ... [2021-11-23 17:27:42,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:27:42,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:27:42,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:27:42,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:27:42,450 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:27:42" (1/1) ... [2021-11-23 17:27:42,458 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:27:42,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:27:42,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:27:42,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:27:42,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 17:27:42,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:27:42,552 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 17:27:42,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:27:42,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:27:42,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:27:42,552 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 17:27:42,552 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 17:27:42,552 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 17:27:42,553 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 17:27:42,553 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 17:27:42,553 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 17:27:42,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:27:42,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 17:27:42,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:27:42,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:27:42,555 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 17:27:42,784 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:27:42,786 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:27:43,439 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:27:43,587 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 17:27:43,593 INFO L158 Benchmark]: Toolchain (without parser) took 2070.56ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 41.7MB in the beginning and 42.3MB in the end (delta: -594.5kB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2021-11-23 17:27:43,594 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 86.0MB. Free memory was 60.0MB in the beginning and 60.0MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:27:43,596 INFO L158 Benchmark]: CACSL2BoogieTranslator took 762.38ms. Allocated memory is still 86.0MB. Free memory was 41.5MB in the beginning and 41.7MB in the end (delta: -253.8kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:27:43,597 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.63ms. Allocated memory is still 86.0MB. Free memory was 41.7MB in the beginning and 39.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:27:43,599 INFO L158 Benchmark]: Boogie Preprocessor took 60.28ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 39.0MB in the beginning and 80.4MB in the end (delta: -41.4MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2021-11-23 17:27:43,600 INFO L158 Benchmark]: RCFGBuilder took 1148.86ms. Allocated memory is still 104.9MB. Free memory was 80.4MB in the beginning and 42.3MB in the end (delta: 38.1MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2021-11-23 17:27:43,610 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 86.0MB. Free memory was 60.0MB in the beginning and 60.0MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 762.38ms. Allocated memory is still 86.0MB. Free memory was 41.5MB in the beginning and 41.7MB in the end (delta: -253.8kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.63ms. Allocated memory is still 86.0MB. Free memory was 41.7MB in the beginning and 39.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.28ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 39.0MB in the beginning and 80.4MB in the end (delta: -41.4MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1148.86ms. Allocated memory is still 104.9MB. Free memory was 80.4MB in the beginning and 42.3MB in the end (delta: 38.1MB). Peak memory consumption was 39.3MB. 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 17:27:43,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/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_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/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_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe007_power.opt-thin001_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/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_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/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 6328ead9c10c029445fd051d7c6329db494c1000fb08b7313fbd69c70835e259 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:27:46,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:27:46,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:27:46,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:27:46,334 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:27:46,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:27:46,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:27:46,339 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:27:46,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:27:46,343 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:27:46,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:27:46,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:27:46,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:27:46,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:27:46,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:27:46,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:27:46,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:27:46,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:27:46,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:27:46,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:27:46,362 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:27:46,363 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:27:46,365 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:27:46,366 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:27:46,370 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:27:46,371 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:27:46,371 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:27:46,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:27:46,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:27:46,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:27:46,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:27:46,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:27:46,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:27:46,378 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:27:46,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:27:46,380 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:27:46,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:27:46,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:27:46,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:27:46,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:27:46,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:27:46,386 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:27:46,423 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:27:46,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:27:46,427 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:27:46,427 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:27:46,428 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:27:46,429 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:27:46,429 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:27:46,429 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:27:46,429 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:27:46,430 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:27:46,431 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:27:46,431 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:27:46,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:27:46,433 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:27:46,433 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:27:46,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:27:46,434 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:27:46,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:27:46,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:27:46,435 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:27:46,435 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:27:46,435 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:27:46,435 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:27:46,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:27:46,436 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:27:46,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:27:46,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:27:46,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:27:46,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:27:46,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:27:46,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:27:46,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:27:46,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:27:46,438 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:27:46,438 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:27:46,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:27:46,439 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:27:46,439 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:27:46,439 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_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6328ead9c10c029445fd051d7c6329db494c1000fb08b7313fbd69c70835e259 [2021-11-23 17:27:46,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:27:46,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:27:46,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:27:46,849 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:27:46,850 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:27:46,852 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-wmm/safe007_power.opt-thin001_power.opt.i [2021-11-23 17:27:46,938 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/bin/utaipan-fb15Y9Yzbl/data/9b16dd145/422f89cc532c45798b56cc3083d2c039/FLAG024b96938 [2021-11-23 17:27:47,725 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:27:47,726 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/sv-benchmarks/c/pthread-wmm/safe007_power.opt-thin001_power.opt.i [2021-11-23 17:27:47,762 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/bin/utaipan-fb15Y9Yzbl/data/9b16dd145/422f89cc532c45798b56cc3083d2c039/FLAG024b96938 [2021-11-23 17:27:47,927 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/bin/utaipan-fb15Y9Yzbl/data/9b16dd145/422f89cc532c45798b56cc3083d2c039 [2021-11-23 17:27:47,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:27:47,931 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:27:47,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:27:47,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:27:47,936 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:27:47,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:27:47" (1/1) ... [2021-11-23 17:27:47,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c7bcef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:27:47, skipping insertion in model container [2021-11-23 17:27:47,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:27:47" (1/1) ... [2021-11-23 17:27:47,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:27:48,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:27:48,214 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_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/sv-benchmarks/c/pthread-wmm/safe007_power.opt-thin001_power.opt.i[969,982] [2021-11-23 17:27:48,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:27:48,566 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:27:48,579 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_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/sv-benchmarks/c/pthread-wmm/safe007_power.opt-thin001_power.opt.i[969,982] [2021-11-23 17:27:48,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:27:48,715 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:27:48,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:27:48 WrapperNode [2021-11-23 17:27:48,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:27:48,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:27:48,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:27:48,718 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:27:48,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:27:48" (1/1) ... [2021-11-23 17:27:48,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:27:48" (1/1) ... [2021-11-23 17:27:48,817 INFO L137 Inliner]: procedures = 180, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 214 [2021-11-23 17:27:48,818 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:27:48,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:27:48,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:27:48,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:27:48,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:27:48" (1/1) ... [2021-11-23 17:27:48,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:27:48" (1/1) ... [2021-11-23 17:27:48,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:27:48" (1/1) ... [2021-11-23 17:27:48,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:27:48" (1/1) ... [2021-11-23 17:27:48,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:27:48" (1/1) ... [2021-11-23 17:27:48,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:27:48" (1/1) ... [2021-11-23 17:27:48,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:27:48" (1/1) ... [2021-11-23 17:27:48,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:27:48,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:27:48,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:27:48,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:27:48,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:27:48" (1/1) ... [2021-11-23 17:27:48,899 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:27:48,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:27:48,936 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:27:48,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:27:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 17:27:49,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 17:27:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:27:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:27:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:27:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:27:49,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:27:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 17:27:49,007 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 17:27:49,007 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 17:27:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 17:27:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 17:27:49,008 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 17:27:49,008 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 17:27:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 17:27:49,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:27:49,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:27:49,011 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 17:27:49,212 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:27:49,214 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:27:50,012 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:27:50,149 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 17:27:50,154 INFO L158 Benchmark]: Toolchain (without parser) took 2221.81ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 45.9MB in the beginning and 57.5MB in the end (delta: -11.6MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2021-11-23 17:27:50,154 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 67.1MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:27:50,155 INFO L158 Benchmark]: CACSL2BoogieTranslator took 784.50ms. Allocated memory is still 67.1MB. Free memory was 45.8MB in the beginning and 36.1MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 17:27:50,156 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.28ms. Allocated memory is still 67.1MB. Free memory was 35.9MB in the beginning and 33.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:27:50,157 INFO L158 Benchmark]: Boogie Preprocessor took 70.67ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 33.3MB in the beginning and 72.8MB in the end (delta: -39.5MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2021-11-23 17:27:50,158 INFO L158 Benchmark]: RCFGBuilder took 1262.14ms. Allocated memory is still 92.3MB. Free memory was 72.8MB in the beginning and 57.5MB in the end (delta: 15.3MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2021-11-23 17:27:50,161 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 67.1MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 784.50ms. Allocated memory is still 67.1MB. Free memory was 45.8MB in the beginning and 36.1MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.28ms. Allocated memory is still 67.1MB. Free memory was 35.9MB in the beginning and 33.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.67ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 33.3MB in the beginning and 72.8MB in the end (delta: -39.5MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1262.14ms. Allocated memory is still 92.3MB. Free memory was 72.8MB in the beginning and 57.5MB in the end (delta: 15.3MB). Peak memory consumption was 28.1MB. 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 17:27:50,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb1f88f7-43d8-4f1f-ac0c-8a06e91dc42d/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable