./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-wmm/mix052_rmo.opt_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_da776d3f-5525-49db-b393-feb980f8332e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_da776d3f-5525-49db-b393-feb980f8332e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_da776d3f-5525-49db-b393-feb980f8332e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_da776d3f-5525-49db-b393-feb980f8332e/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix052_rmo.opt_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_da776d3f-5525-49db-b393-feb980f8332e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_da776d3f-5525-49db-b393-feb980f8332e/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5267a07e22f406547fd2976b8bb12867811c8308 ........................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_da776d3f-5525-49db-b393-feb980f8332e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_da776d3f-5525-49db-b393-feb980f8332e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_da776d3f-5525-49db-b393-feb980f8332e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_da776d3f-5525-49db-b393-feb980f8332e/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix052_rmo.opt_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_da776d3f-5525-49db-b393-feb980f8332e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_da776d3f-5525-49db-b393-feb980f8332e/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5267a07e22f406547fd2976b8bb12867811c8308 ......................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: null --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 05:07:34,249 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:07:34,250 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:07:34,257 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:07:34,258 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:07:34,258 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:07:34,259 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:07:34,260 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:07:34,261 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:07:34,262 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:07:34,263 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:07:34,263 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:07:34,263 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:07:34,264 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:07:34,265 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:07:34,265 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:07:34,266 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:07:34,267 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:07:34,269 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:07:34,270 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:07:34,271 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:07:34,272 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:07:34,274 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:07:34,274 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:07:34,274 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:07:34,275 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:07:34,276 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:07:34,276 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:07:34,277 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:07:34,278 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:07:34,278 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:07:34,278 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:07:34,279 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:07:34,279 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:07:34,279 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:07:34,280 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:07:34,280 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_da776d3f-5525-49db-b393-feb980f8332e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 05:07:34,290 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:07:34,290 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:07:34,291 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:07:34,291 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:07:34,291 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:07:34,292 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:07:34,292 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 05:07:34,292 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:07:34,292 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:07:34,292 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:07:34,292 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:07:34,293 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:07:34,293 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:07:34,293 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:07:34,293 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:07:34,293 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:07:34,293 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:07:34,293 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:07:34,294 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:07:34,294 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 05:07:34,294 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:07:34,294 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 05:07:34,294 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 05:07:34,294 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:07:34,294 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:07:34,295 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:07:34,295 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 05:07:34,295 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:07:34,295 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:07:34,295 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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-vcloud-master/worker/working_dir_da776d3f-5525-49db-b393-feb980f8332e/bin-2019/uautomizer 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 -> 5267a07e22f406547fd2976b8bb12867811c8308 [2018-11-10 05:07:34,317 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:07:34,325 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:07:34,327 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:07:34,328 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:07:34,329 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:07:34,329 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_da776d3f-5525-49db-b393-feb980f8332e/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-wmm/mix052_rmo.opt_false-unreach-call.i [2018-11-10 05:07:34,372 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_da776d3f-5525-49db-b393-feb980f8332e/bin-2019/uautomizer/data/52757fbba/e0815aa339be46e4a2e063a34ce05d78/FLAG67739ba85 [2018-11-10 05:07:34,810 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:07:34,811 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_da776d3f-5525-49db-b393-feb980f8332e/sv-benchmarks/c/pthread-wmm/mix052_rmo.opt_false-unreach-call.i [2018-11-10 05:07:34,819 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_da776d3f-5525-49db-b393-feb980f8332e/bin-2019/uautomizer/data/52757fbba/e0815aa339be46e4a2e063a34ce05d78/FLAG67739ba85 [2018-11-10 05:07:34,827 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_da776d3f-5525-49db-b393-feb980f8332e/bin-2019/uautomizer/data/52757fbba/e0815aa339be46e4a2e063a34ce05d78 [2018-11-10 05:07:34,829 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:07:34,830 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 05:07:34,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:07:34,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:07:34,834 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:07:34,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:07:34" (1/1) ... [2018-11-10 05:07:34,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f18886d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:34, skipping insertion in model container [2018-11-10 05:07:34,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:07:34" (1/1) ... [2018-11-10 05:07:34,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:07:34,873 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:07:35,093 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:07:35,097 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:07:35,150 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:07:35,200 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:07:35,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:35 WrapperNode [2018-11-10 05:07:35,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:07:35,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:07:35,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:07:35,202 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:07:35,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:35" (1/1) ... [2018-11-10 05:07:35,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:35" (1/1) ... [2018-11-10 05:07:35,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:35" (1/1) ... [2018-11-10 05:07:35,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:35" (1/1) ... [2018-11-10 05:07:35,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:35" (1/1) ... [2018-11-10 05:07:35,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:35" (1/1) ... [2018-11-10 05:07:35,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:35" (1/1) ... [2018-11-10 05:07:35,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:07:35,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:07:35,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:07:35,305 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:07:35,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_da776d3f-5525-49db-b393-feb980f8332e/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 05:07:35,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 05:07:35,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:07:35,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 05:07:35,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-10 05:07:35,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-10 05:07:35,340 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-11-10 05:07:35,340 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-11-10 05:07:35,340 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2018-11-10 05:07:35,340 INFO L138 BoogieDeclarations]: Found implementation of procedure fence [2018-11-10 05:07:35,340 INFO L138 BoogieDeclarations]: Found implementation of procedure isync [2018-11-10 05:07:35,341 INFO L138 BoogieDeclarations]: Found implementation of procedure lwfence [2018-11-10 05:07:35,341 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 05:07:35,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-10 05:07:35,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-10 05:07:35,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 05:07:35,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 05:07:35,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-11-10 05:07:35,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-11-10 05:07:35,341 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2018-11-10 05:07:35,342 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2018-11-10 05:07:35,342 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2018-11-10 05:07:35,342 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-10 05:07:35,342 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-10 05:07:35,342 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2018-11-10 05:07:35,342 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2018-11-10 05:07:35,342 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2018-11-10 05:07:35,342 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2018-11-10 05:07:35,342 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2018-11-10 05:07:35,342 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2018-11-10 05:07:35,343 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2018-11-10 05:07:35,343 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2018-11-10 05:07:35,343 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2018-11-10 05:07:35,343 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2018-11-10 05:07:35,343 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2018-11-10 05:07:35,343 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2018-11-10 05:07:35,343 INFO L130 BoogieDeclarations]: Found specification of procedure time [2018-11-10 05:07:35,343 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2018-11-10 05:07:35,343 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2018-11-10 05:07:35,344 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2018-11-10 05:07:35,344 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2018-11-10 05:07:35,344 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2018-11-10 05:07:35,344 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2018-11-10 05:07:35,344 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2018-11-10 05:07:35,344 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2018-11-10 05:07:35,344 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2018-11-10 05:07:35,344 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2018-11-10 05:07:35,344 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2018-11-10 05:07:35,344 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2018-11-10 05:07:35,344 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2018-11-10 05:07:35,345 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2018-11-10 05:07:35,345 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2018-11-10 05:07:35,345 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2018-11-10 05:07:35,345 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2018-11-10 05:07:35,345 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2018-11-10 05:07:35,345 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2018-11-10 05:07:35,345 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2018-11-10 05:07:35,345 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2018-11-10 05:07:35,345 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2018-11-10 05:07:35,345 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2018-11-10 05:07:35,346 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2018-11-10 05:07:35,346 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2018-11-10 05:07:35,346 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2018-11-10 05:07:35,346 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2018-11-10 05:07:35,346 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2018-11-10 05:07:35,346 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2018-11-10 05:07:35,346 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2018-11-10 05:07:35,346 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2018-11-10 05:07:35,346 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2018-11-10 05:07:35,346 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2018-11-10 05:07:35,347 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2018-11-10 05:07:35,347 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2018-11-10 05:07:35,347 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2018-11-10 05:07:35,347 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2018-11-10 05:07:35,347 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2018-11-10 05:07:35,347 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2018-11-10 05:07:35,347 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2018-11-10 05:07:35,347 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2018-11-10 05:07:35,347 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2018-11-10 05:07:35,347 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2018-11-10 05:07:35,348 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2018-11-10 05:07:35,348 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2018-11-10 05:07:35,348 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2018-11-10 05:07:35,348 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2018-11-10 05:07:35,348 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2018-11-10 05:07:35,348 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2018-11-10 05:07:35,348 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2018-11-10 05:07:35,348 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2018-11-10 05:07:35,348 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2018-11-10 05:07:35,348 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2018-11-10 05:07:35,349 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2018-11-10 05:07:35,349 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2018-11-10 05:07:35,349 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2018-11-10 05:07:35,349 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2018-11-10 05:07:35,349 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2018-11-10 05:07:35,349 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2018-11-10 05:07:35,349 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2018-11-10 05:07:35,349 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2018-11-10 05:07:35,349 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2018-11-10 05:07:35,349 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2018-11-10 05:07:35,349 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2018-11-10 05:07:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2018-11-10 05:07:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2018-11-10 05:07:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2018-11-10 05:07:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2018-11-10 05:07:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2018-11-10 05:07:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2018-11-10 05:07:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2018-11-10 05:07:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2018-11-10 05:07:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2018-11-10 05:07:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2018-11-10 05:07:35,351 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2018-11-10 05:07:35,351 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2018-11-10 05:07:35,351 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2018-11-10 05:07:35,351 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2018-11-10 05:07:35,351 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2018-11-10 05:07:35,351 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2018-11-10 05:07:35,351 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2018-11-10 05:07:35,351 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2018-11-10 05:07:35,351 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2018-11-10 05:07:35,351 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2018-11-10 05:07:35,352 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2018-11-10 05:07:35,352 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2018-11-10 05:07:35,352 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2018-11-10 05:07:35,352 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2018-11-10 05:07:35,352 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2018-11-10 05:07:35,352 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2018-11-10 05:07:35,352 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2018-11-10 05:07:35,352 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2018-11-10 05:07:35,352 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2018-11-10 05:07:35,352 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2018-11-10 05:07:35,352 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2018-11-10 05:07:35,352 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2018-11-10 05:07:35,353 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2018-11-10 05:07:35,353 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2018-11-10 05:07:35,353 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2018-11-10 05:07:35,353 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2018-11-10 05:07:35,353 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2018-11-10 05:07:35,353 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2018-11-10 05:07:35,353 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2018-11-10 05:07:35,353 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2018-11-10 05:07:35,353 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2018-11-10 05:07:35,353 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2018-11-10 05:07:35,354 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2018-11-10 05:07:35,354 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2018-11-10 05:07:35,354 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2018-11-10 05:07:35,354 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2018-11-10 05:07:35,354 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2018-11-10 05:07:35,354 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2018-11-10 05:07:35,354 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2018-11-10 05:07:35,354 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2018-11-10 05:07:35,354 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2018-11-10 05:07:35,354 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2018-11-10 05:07:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2018-11-10 05:07:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2018-11-10 05:07:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2018-11-10 05:07:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2018-11-10 05:07:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2018-11-10 05:07:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2018-11-10 05:07:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2018-11-10 05:07:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2018-11-10 05:07:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2018-11-10 05:07:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2018-11-10 05:07:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2018-11-10 05:07:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2018-11-10 05:07:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2018-11-10 05:07:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2018-11-10 05:07:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2018-11-10 05:07:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2018-11-10 05:07:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-11-10 05:07:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-11-10 05:07:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2018-11-10 05:07:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure fence [2018-11-10 05:07:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure isync [2018-11-10 05:07:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure lwfence [2018-11-10 05:07:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 05:07:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 05:07:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 05:07:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 05:07:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:07:35,358 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-10 05:07:35,950 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:07:35,989 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:07:35,989 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:07:35,989 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:07:35,990 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:07:35,991 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:07:35,991 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:07:35,994 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:07:35,995 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:07:35,996 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:07:35,996 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:07:35,997 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException at de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:89) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 05:07:36,000 INFO L168 Benchmark]: Toolchain (without parser) took 1170.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 956.5 MB in the beginning and 1.0 GB in the end (delta: -92.1 MB). Peak memory consumption was 62.6 MB. Max. memory is 11.5 GB. [2018-11-10 05:07:36,001 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:07:36,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.56 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 918.8 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:07:36,002 INFO L168 Benchmark]: Boogie Preprocessor took 102.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 918.8 MB in the beginning and 1.1 GB in the end (delta: -226.2 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:07:36,003 INFO L168 Benchmark]: RCFGBuilder took 694.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 96.4 MB). Peak memory consumption was 96.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:07:36,005 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 370.56 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 918.8 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 102.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 918.8 MB in the beginning and 1.1 GB in the end (delta: -226.2 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 694.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 96.4 MB). Peak memory consumption was 96.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: null de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: null: de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 05:07:37,471 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:07:37,472 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:07:37,482 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:07:37,482 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:07:37,483 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:07:37,484 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:07:37,485 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:07:37,486 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:07:37,487 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:07:37,487 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:07:37,487 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:07:37,488 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:07:37,489 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:07:37,490 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:07:37,490 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:07:37,491 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:07:37,492 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:07:37,493 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:07:37,494 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:07:37,495 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:07:37,496 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:07:37,497 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:07:37,497 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:07:37,498 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:07:37,498 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:07:37,499 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:07:37,500 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:07:37,500 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:07:37,501 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:07:37,501 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:07:37,501 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:07:37,502 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:07:37,502 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:07:37,502 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:07:37,503 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:07:37,503 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_da776d3f-5525-49db-b393-feb980f8332e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-10 05:07:37,513 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:07:37,513 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:07:37,514 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:07:37,514 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:07:37,514 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:07:37,514 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:07:37,515 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 05:07:37,515 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:07:37,515 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:07:37,515 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:07:37,515 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:07:37,515 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:07:37,515 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:07:37,516 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:07:37,516 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 05:07:37,516 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 05:07:37,516 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:07:37,516 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:07:37,516 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:07:37,516 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:07:37,517 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 05:07:37,517 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:07:37,517 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 05:07:37,517 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 05:07:37,517 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:07:37,517 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:07:37,517 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:07:37,518 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-10 05:07:37,518 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:07:37,518 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 05:07:37,518 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 05:07:37,518 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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-vcloud-master/worker/working_dir_da776d3f-5525-49db-b393-feb980f8332e/bin-2019/uautomizer 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 -> 5267a07e22f406547fd2976b8bb12867811c8308 [2018-11-10 05:07:37,547 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:07:37,556 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:07:37,558 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:07:37,559 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:07:37,560 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:07:37,560 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_da776d3f-5525-49db-b393-feb980f8332e/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-wmm/mix052_rmo.opt_false-unreach-call.i [2018-11-10 05:07:37,607 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_da776d3f-5525-49db-b393-feb980f8332e/bin-2019/uautomizer/data/a022c7f2b/c556a4a25b6f45acadc00ca721c74799/FLAGf925d2be7 [2018-11-10 05:07:37,966 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:07:37,967 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_da776d3f-5525-49db-b393-feb980f8332e/sv-benchmarks/c/pthread-wmm/mix052_rmo.opt_false-unreach-call.i [2018-11-10 05:07:37,975 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_da776d3f-5525-49db-b393-feb980f8332e/bin-2019/uautomizer/data/a022c7f2b/c556a4a25b6f45acadc00ca721c74799/FLAGf925d2be7 [2018-11-10 05:07:37,984 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_da776d3f-5525-49db-b393-feb980f8332e/bin-2019/uautomizer/data/a022c7f2b/c556a4a25b6f45acadc00ca721c74799 [2018-11-10 05:07:37,986 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:07:37,987 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 05:07:37,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:07:37,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:07:37,991 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:07:37,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:07:37" (1/1) ... [2018-11-10 05:07:37,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76593245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:37, skipping insertion in model container [2018-11-10 05:07:37,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:07:37" (1/1) ... [2018-11-10 05:07:37,999 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:07:38,034 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:07:38,292 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:07:38,298 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:07:38,347 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:07:38,397 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:07:38,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:38 WrapperNode [2018-11-10 05:07:38,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:07:38,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:07:38,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:07:38,398 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:07:38,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:38" (1/1) ... [2018-11-10 05:07:38,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:38" (1/1) ... [2018-11-10 05:07:38,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:38" (1/1) ... [2018-11-10 05:07:38,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:38" (1/1) ... [2018-11-10 05:07:38,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:38" (1/1) ... [2018-11-10 05:07:38,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:38" (1/1) ... [2018-11-10 05:07:38,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:38" (1/1) ... [2018-11-10 05:07:38,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:07:38,497 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:07:38,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:07:38,498 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:07:38,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:07:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_da776d3f-5525-49db-b393-feb980f8332e/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 05:07:38,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 05:07:38,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:07:38,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 05:07:38,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-11-10 05:07:38,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-11-10 05:07:38,543 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-11-10 05:07:38,543 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-11-10 05:07:38,543 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2018-11-10 05:07:38,543 INFO L138 BoogieDeclarations]: Found implementation of procedure fence [2018-11-10 05:07:38,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isync [2018-11-10 05:07:38,544 INFO L138 BoogieDeclarations]: Found implementation of procedure lwfence [2018-11-10 05:07:38,544 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 05:07:38,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-10 05:07:38,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-10 05:07:38,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 05:07:38,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 05:07:38,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-11-10 05:07:38,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-11-10 05:07:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2018-11-10 05:07:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2018-11-10 05:07:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2018-11-10 05:07:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-11-10 05:07:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-11-10 05:07:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2018-11-10 05:07:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2018-11-10 05:07:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2018-11-10 05:07:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2018-11-10 05:07:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2018-11-10 05:07:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2018-11-10 05:07:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2018-11-10 05:07:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2018-11-10 05:07:38,545 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2018-11-10 05:07:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2018-11-10 05:07:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2018-11-10 05:07:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2018-11-10 05:07:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure time [2018-11-10 05:07:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2018-11-10 05:07:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2018-11-10 05:07:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2018-11-10 05:07:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2018-11-10 05:07:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2018-11-10 05:07:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2018-11-10 05:07:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2018-11-10 05:07:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2018-11-10 05:07:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2018-11-10 05:07:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2018-11-10 05:07:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2018-11-10 05:07:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2018-11-10 05:07:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2018-11-10 05:07:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2018-11-10 05:07:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2018-11-10 05:07:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2018-11-10 05:07:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2018-11-10 05:07:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2018-11-10 05:07:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2018-11-10 05:07:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2018-11-10 05:07:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2018-11-10 05:07:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2018-11-10 05:07:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2018-11-10 05:07:38,548 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2018-11-10 05:07:38,548 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2018-11-10 05:07:38,548 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2018-11-10 05:07:38,548 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2018-11-10 05:07:38,548 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2018-11-10 05:07:38,548 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2018-11-10 05:07:38,548 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2018-11-10 05:07:38,548 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2018-11-10 05:07:38,548 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2018-11-10 05:07:38,548 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2018-11-10 05:07:38,548 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2018-11-10 05:07:38,548 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2018-11-10 05:07:38,549 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2018-11-10 05:07:38,549 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2018-11-10 05:07:38,549 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2018-11-10 05:07:38,549 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2018-11-10 05:07:38,549 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2018-11-10 05:07:38,549 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2018-11-10 05:07:38,549 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2018-11-10 05:07:38,549 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2018-11-10 05:07:38,549 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2018-11-10 05:07:38,549 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2018-11-10 05:07:38,549 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2018-11-10 05:07:38,550 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2018-11-10 05:07:38,550 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2018-11-10 05:07:38,550 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2018-11-10 05:07:38,550 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2018-11-10 05:07:38,550 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2018-11-10 05:07:38,550 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2018-11-10 05:07:38,550 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2018-11-10 05:07:38,550 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2018-11-10 05:07:38,550 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2018-11-10 05:07:38,551 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2018-11-10 05:07:38,551 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2018-11-10 05:07:38,551 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2018-11-10 05:07:38,551 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2018-11-10 05:07:38,551 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2018-11-10 05:07:38,551 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2018-11-10 05:07:38,551 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2018-11-10 05:07:38,551 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2018-11-10 05:07:38,551 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2018-11-10 05:07:38,551 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2018-11-10 05:07:38,551 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2018-11-10 05:07:38,551 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2018-11-10 05:07:38,552 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2018-11-10 05:07:38,552 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2018-11-10 05:07:38,552 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2018-11-10 05:07:38,552 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2018-11-10 05:07:38,552 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2018-11-10 05:07:38,552 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2018-11-10 05:07:38,552 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2018-11-10 05:07:38,552 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2018-11-10 05:07:38,552 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2018-11-10 05:07:38,552 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2018-11-10 05:07:38,552 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2018-11-10 05:07:38,552 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2018-11-10 05:07:38,552 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2018-11-10 05:07:38,552 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2018-11-10 05:07:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2018-11-10 05:07:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2018-11-10 05:07:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2018-11-10 05:07:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2018-11-10 05:07:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2018-11-10 05:07:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2018-11-10 05:07:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2018-11-10 05:07:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2018-11-10 05:07:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2018-11-10 05:07:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2018-11-10 05:07:38,553 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2018-11-10 05:07:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2018-11-10 05:07:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2018-11-10 05:07:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2018-11-10 05:07:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2018-11-10 05:07:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2018-11-10 05:07:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2018-11-10 05:07:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2018-11-10 05:07:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2018-11-10 05:07:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2018-11-10 05:07:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2018-11-10 05:07:38,554 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2018-11-10 05:07:38,555 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2018-11-10 05:07:38,555 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2018-11-10 05:07:38,555 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2018-11-10 05:07:38,555 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2018-11-10 05:07:38,555 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2018-11-10 05:07:38,555 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2018-11-10 05:07:38,555 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2018-11-10 05:07:38,555 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2018-11-10 05:07:38,555 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2018-11-10 05:07:38,556 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2018-11-10 05:07:38,556 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2018-11-10 05:07:38,556 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2018-11-10 05:07:38,556 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2018-11-10 05:07:38,556 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2018-11-10 05:07:38,556 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2018-11-10 05:07:38,556 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2018-11-10 05:07:38,556 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2018-11-10 05:07:38,556 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2018-11-10 05:07:38,556 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2018-11-10 05:07:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2018-11-10 05:07:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2018-11-10 05:07:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2018-11-10 05:07:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2018-11-10 05:07:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2018-11-10 05:07:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2018-11-10 05:07:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2018-11-10 05:07:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2018-11-10 05:07:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2018-11-10 05:07:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2018-11-10 05:07:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-11-10 05:07:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-11-10 05:07:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2018-11-10 05:07:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure fence [2018-11-10 05:07:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure isync [2018-11-10 05:07:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure lwfence [2018-11-10 05:07:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 05:07:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 05:07:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 05:07:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 05:07:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:07:38,560 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-10 05:07:39,155 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:07:39,187 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:07:39,187 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:07:39,187 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:07:39,187 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:07:39,189 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:07:39,189 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:07:39,192 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:07:39,192 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:07:39,193 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:07:39,193 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 05:07:39,194 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException at de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:89) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 05:07:39,197 INFO L168 Benchmark]: Toolchain (without parser) took 1210.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 945.5 MB in the beginning and 1.0 GB in the end (delta: -103.0 MB). Peak memory consumption was 56.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:07:39,199 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:07:39,199 INFO L168 Benchmark]: CACSL2BoogieTranslator took 409.91 ms. Allocated memory is still 1.0 GB. Free memory was 945.5 MB in the beginning and 907.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-10 05:07:39,199 INFO L168 Benchmark]: Boogie Preprocessor took 99.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 907.9 MB in the beginning and 1.1 GB in the end (delta: -238.7 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2018-11-10 05:07:39,200 INFO L168 Benchmark]: RCFGBuilder took 699.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 98.1 MB). Peak memory consumption was 98.1 MB. Max. memory is 11.5 GB. [2018-11-10 05:07:39,202 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 409.91 ms. Allocated memory is still 1.0 GB. Free memory was 945.5 MB in the beginning and 907.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 99.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 907.9 MB in the beginning and 1.1 GB in the end (delta: -238.7 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 699.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 98.1 MB). Peak memory consumption was 98.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: null de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: null: de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...