./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix030_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_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/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_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix030_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/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_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/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 20a2c57970e5e291ffc10826c9a5fbe3296a1e55ae86cfd2b786718aae571bfa --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:19:56,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:19:56,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:19:56,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:19:56,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:19:56,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:19:56,273 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:19:56,276 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:19:56,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:19:56,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:19:56,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:19:56,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:19:56,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:19:56,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:19:56,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:19:56,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:19:56,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:19:56,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:19:56,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:19:56,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:19:56,298 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:19:56,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:19:56,302 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:19:56,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:19:56,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:19:56,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:19:56,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:19:56,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:19:56,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:19:56,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:19:56,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:19:56,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:19:56,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:19:56,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:19:56,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:19:56,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:19:56,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:19:56,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:19:56,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:19:56,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:19:56,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:19:56,322 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:19:56,352 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:19:56,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:19:56,353 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:19:56,353 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:19:56,354 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:19:56,354 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:19:56,354 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:19:56,355 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:19:56,355 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:19:56,355 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:19:56,355 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:19:56,356 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:19:56,356 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:19:56,356 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:19:56,356 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:19:56,357 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:19:56,357 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:19:56,357 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:19:56,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:19:56,358 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:19:56,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:19:56,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:19:56,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:19:56,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:19:56,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:19:56,359 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:19:56,360 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:19:56,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:19:56,360 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:19:56,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:19:56,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:19:56,361 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:19:56,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:19:56,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:19:56,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:19:56,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:19:56,362 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:19:56,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:19:56,362 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:19:56,363 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:19:56,363 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:19:56,363 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_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20a2c57970e5e291ffc10826c9a5fbe3296a1e55ae86cfd2b786718aae571bfa [2021-11-23 17:19:56,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:19:56,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:19:56,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:19:56,654 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:19:56,655 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:19:56,656 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-wmm/mix030_tso.i [2021-11-23 17:19:56,742 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/bin/utaipan-fb15Y9Yzbl/data/e6eacc10a/bb0e73f95f384d9eb9f697246ce894c9/FLAG937ebf9c0 [2021-11-23 17:19:57,463 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:19:57,472 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/sv-benchmarks/c/pthread-wmm/mix030_tso.i [2021-11-23 17:19:57,502 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/bin/utaipan-fb15Y9Yzbl/data/e6eacc10a/bb0e73f95f384d9eb9f697246ce894c9/FLAG937ebf9c0 [2021-11-23 17:19:57,739 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/bin/utaipan-fb15Y9Yzbl/data/e6eacc10a/bb0e73f95f384d9eb9f697246ce894c9 [2021-11-23 17:19:57,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:19:57,743 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:19:57,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:19:57,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:19:57,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:19:57,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:19:57" (1/1) ... [2021-11-23 17:19:57,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e11da2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:57, skipping insertion in model container [2021-11-23 17:19:57,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:19:57" (1/1) ... [2021-11-23 17:19:57,771 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:19:57,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:19:58,059 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_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/sv-benchmarks/c/pthread-wmm/mix030_tso.i[944,957] [2021-11-23 17:19:58,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:19:58,285 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:19:58,308 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_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/sv-benchmarks/c/pthread-wmm/mix030_tso.i[944,957] [2021-11-23 17:19:58,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:19:58,448 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:19:58,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:58 WrapperNode [2021-11-23 17:19:58,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:19:58,449 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:19:58,449 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:19:58,450 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:19:58,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:58" (1/1) ... [2021-11-23 17:19:58,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:58" (1/1) ... [2021-11-23 17:19:58,521 INFO L137 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 392 [2021-11-23 17:19:58,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:19:58,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:19:58,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:19:58,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:19:58,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:58" (1/1) ... [2021-11-23 17:19:58,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:58" (1/1) ... [2021-11-23 17:19:58,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:58" (1/1) ... [2021-11-23 17:19:58,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:58" (1/1) ... [2021-11-23 17:19:58,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:58" (1/1) ... [2021-11-23 17:19:58,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:58" (1/1) ... [2021-11-23 17:19:58,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:58" (1/1) ... [2021-11-23 17:19:58,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:19:58,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:19:58,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:19:58,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:19:58,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:58" (1/1) ... [2021-11-23 17:19:58,602 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:19:58,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:19:58,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:19:58,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:19:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:19:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 17:19:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:19:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:19:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:19:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 17:19:58,683 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 17:19:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 17:19:58,683 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 17:19:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 17:19:58,683 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 17:19:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-23 17:19:58,684 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-23 17:19:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:19:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 17:19:58,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:19:58,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:19:58,687 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 17:19:58,822 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:19:58,824 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:19:59,701 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:19:59,824 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 17:19:59,831 INFO L158 Benchmark]: Toolchain (without parser) took 2085.02ms. Allocated memory was 119.5MB in the beginning and 148.9MB in the end (delta: 29.4MB). Free memory was 75.2MB in the beginning and 105.0MB in the end (delta: -29.9MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2021-11-23 17:19:59,832 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:19:59,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 688.82ms. Allocated memory is still 119.5MB. Free memory was 75.0MB in the beginning and 79.2MB in the end (delta: -4.2MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2021-11-23 17:19:59,835 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.14ms. Allocated memory is still 119.5MB. Free memory was 79.2MB in the beginning and 75.6MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:19:59,837 INFO L158 Benchmark]: Boogie Preprocessor took 58.48ms. Allocated memory is still 119.5MB. Free memory was 75.6MB in the beginning and 73.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:19:59,838 INFO L158 Benchmark]: RCFGBuilder took 1245.34ms. Allocated memory was 119.5MB in the beginning and 148.9MB in the end (delta: 29.4MB). Free memory was 73.2MB in the beginning and 105.0MB in the end (delta: -31.8MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2021-11-23 17:19:59,848 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 688.82ms. Allocated memory is still 119.5MB. Free memory was 75.0MB in the beginning and 79.2MB in the end (delta: -4.2MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.14ms. Allocated memory is still 119.5MB. Free memory was 79.2MB in the beginning and 75.6MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.48ms. Allocated memory is still 119.5MB. Free memory was 75.6MB in the beginning and 73.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1245.34ms. Allocated memory was 119.5MB in the beginning and 148.9MB in the end (delta: 29.4MB). Free memory was 73.2MB in the beginning and 105.0MB in the end (delta: -31.8MB). Peak memory consumption was 30.1MB. 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 17:19:59,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/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_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/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_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix030_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/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_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/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 20a2c57970e5e291ffc10826c9a5fbe3296a1e55ae86cfd2b786718aae571bfa --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:20:02,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:20:02,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:20:02,475 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:20:02,476 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:20:02,480 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:20:02,482 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:20:02,486 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:20:02,490 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:20:02,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:20:02,499 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:20:02,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:20:02,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:20:02,503 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:20:02,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:20:02,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:20:02,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:20:02,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:20:02,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:20:02,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:20:02,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:20:02,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:20:02,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:20:02,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:20:02,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:20:02,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:20:02,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:20:02,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:20:02,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:20:02,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:20:02,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:20:02,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:20:02,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:20:02,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:20:02,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:20:02,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:20:02,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:20:02,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:20:02,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:20:02,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:20:02,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:20:02,566 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:20:02,611 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:20:02,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:20:02,612 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:20:02,613 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:20:02,614 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:20:02,614 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:20:02,614 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:20:02,614 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:20:02,615 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:20:02,615 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:20:02,616 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:20:02,616 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:20:02,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:20:02,618 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:20:02,618 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:20:02,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:20:02,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:20:02,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:20:02,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:20:02,619 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:20:02,620 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:20:02,620 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:20:02,620 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:20:02,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:20:02,621 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:20:02,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:20:02,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:20:02,621 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:20:02,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:20:02,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:20:02,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:20:02,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:20:02,623 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:20:02,623 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:20:02,624 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:20:02,624 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:20:02,624 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:20:02,625 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:20:02,625 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_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20a2c57970e5e291ffc10826c9a5fbe3296a1e55ae86cfd2b786718aae571bfa [2021-11-23 17:20:03,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:20:03,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:20:03,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:20:03,049 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:20:03,050 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:20:03,051 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/pthread-wmm/mix030_tso.i [2021-11-23 17:20:03,120 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/bin/utaipan-fb15Y9Yzbl/data/fdcdc93e4/612de7330705457d8e66adbf4f2b4c5a/FLAGce2b792c4 [2021-11-23 17:20:03,828 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:20:03,829 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/sv-benchmarks/c/pthread-wmm/mix030_tso.i [2021-11-23 17:20:03,852 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/bin/utaipan-fb15Y9Yzbl/data/fdcdc93e4/612de7330705457d8e66adbf4f2b4c5a/FLAGce2b792c4 [2021-11-23 17:20:04,096 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/bin/utaipan-fb15Y9Yzbl/data/fdcdc93e4/612de7330705457d8e66adbf4f2b4c5a [2021-11-23 17:20:04,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:20:04,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:20:04,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:20:04,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:20:04,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:20:04,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:20:04" (1/1) ... [2021-11-23 17:20:04,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57eb4c11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:04, skipping insertion in model container [2021-11-23 17:20:04,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:20:04" (1/1) ... [2021-11-23 17:20:04,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:20:04,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:20:04,355 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_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/sv-benchmarks/c/pthread-wmm/mix030_tso.i[944,957] [2021-11-23 17:20:04,702 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:20:04,723 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:20:04,739 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_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/sv-benchmarks/c/pthread-wmm/mix030_tso.i[944,957] [2021-11-23 17:20:04,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:20:04,907 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:20:04,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:04 WrapperNode [2021-11-23 17:20:04,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:20:04,909 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:20:04,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:20:04,909 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:20:04,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:04" (1/1) ... [2021-11-23 17:20:04,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:04" (1/1) ... [2021-11-23 17:20:05,026 INFO L137 Inliner]: procedures = 180, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 393 [2021-11-23 17:20:05,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:20:05,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:20:05,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:20:05,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:20:05,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:04" (1/1) ... [2021-11-23 17:20:05,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:04" (1/1) ... [2021-11-23 17:20:05,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:04" (1/1) ... [2021-11-23 17:20:05,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:04" (1/1) ... [2021-11-23 17:20:05,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:04" (1/1) ... [2021-11-23 17:20:05,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:04" (1/1) ... [2021-11-23 17:20:05,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:04" (1/1) ... [2021-11-23 17:20:05,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:20:05,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:20:05,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:20:05,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:20:05,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:20:04" (1/1) ... [2021-11-23 17:20:05,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:20:05,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:20:05,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:20:05,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:20:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 17:20:05,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:20:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 17:20:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:20:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 17:20:05,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:20:05,263 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 17:20:05,263 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 17:20:05,263 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 17:20:05,263 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 17:20:05,263 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-23 17:20:05,263 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-23 17:20:05,263 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-23 17:20:05,264 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-23 17:20:05,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 17:20:05,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:20:05,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:20:05,266 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 17:20:05,494 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:20:05,497 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:20:06,307 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:20:06,517 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 17:20:06,529 INFO L158 Benchmark]: Toolchain (without parser) took 2427.08ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 39.4MB in the beginning and 55.3MB in the end (delta: -15.8MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2021-11-23 17:20:06,530 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 60.8MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:20:06,532 INFO L158 Benchmark]: CACSL2BoogieTranslator took 806.82ms. Allocated memory is still 60.8MB. Free memory was 39.1MB in the beginning and 30.2MB in the end (delta: 8.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:20:06,533 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.99ms. Allocated memory is still 60.8MB. Free memory was 30.2MB in the beginning and 26.7MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:20:06,534 INFO L158 Benchmark]: Boogie Preprocessor took 105.15ms. Allocated memory is still 60.8MB. Free memory was 26.7MB in the beginning and 23.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:20:06,535 INFO L158 Benchmark]: RCFGBuilder took 1386.15ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 23.9MB in the beginning and 55.3MB in the end (delta: -31.3MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2021-11-23 17:20:06,545 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 60.8MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 806.82ms. Allocated memory is still 60.8MB. Free memory was 39.1MB in the beginning and 30.2MB in the end (delta: 8.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.99ms. Allocated memory is still 60.8MB. Free memory was 30.2MB in the beginning and 26.7MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.15ms. Allocated memory is still 60.8MB. Free memory was 26.7MB in the beginning and 23.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1386.15ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 23.9MB in the beginning and 55.3MB in the end (delta: -31.3MB). Peak memory consumption was 13.6MB. 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 17:20:06,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4de50f-7e00-4edf-a3c7-78f9708c71c6/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