./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-wmm/mix056_tso.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_423d53e2-84ce-4325-a189-32574ca437af/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_423d53e2-84ce-4325-a189-32574ca437af/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_423d53e2-84ce-4325-a189-32574ca437af/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_423d53e2-84ce-4325-a189-32574ca437af/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix056_tso.opt_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_423d53e2-84ce-4325-a189-32574ca437af/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_423d53e2-84ce-4325-a189-32574ca437af/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 bb399b49d562562005292857f055e3a5f2e4f47f ............................................................................................................................................................................................................................................................................................................................................................... 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_423d53e2-84ce-4325-a189-32574ca437af/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_423d53e2-84ce-4325-a189-32574ca437af/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_423d53e2-84ce-4325-a189-32574ca437af/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_423d53e2-84ce-4325-a189-32574ca437af/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix056_tso.opt_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_423d53e2-84ce-4325-a189-32574ca437af/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_423d53e2-84ce-4325-a189-32574ca437af/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 bb399b49d562562005292857f055e3a5f2e4f47f ............................................................................................................................................................................................................................................................................................................................................................................ 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 [2018-10-27 05:12:57,922 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:12:57,924 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:12:57,935 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:12:57,935 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:12:57,936 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:12:57,937 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:12:57,939 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:12:57,941 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:12:57,942 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:12:57,943 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:12:57,943 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:12:57,944 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:12:57,945 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:12:57,946 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:12:57,947 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:12:57,949 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:12:57,950 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:12:57,952 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:12:57,954 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:12:57,955 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:12:57,956 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:12:57,958 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:12:57,958 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:12:57,959 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:12:57,960 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:12:57,965 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:12:57,965 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:12:57,966 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:12:57,967 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:12:57,967 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:12:57,968 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:12:57,969 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:12:57,969 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:12:57,970 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:12:57,970 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:12:57,970 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_423d53e2-84ce-4325-a189-32574ca437af/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-10-27 05:12:57,996 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:12:57,996 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:12:57,996 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:12:57,997 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 05:12:57,997 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 05:12:57,998 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 05:12:57,998 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 05:12:57,998 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:12:57,998 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:12:57,998 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:12:57,998 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:12:57,999 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:12:57,999 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:12:57,999 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:12:57,999 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:12:57,999 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:12:58,000 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:12:58,000 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:12:58,000 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:12:58,000 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:12:58,000 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:12:58,000 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:12:58,001 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:12:58,001 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:12:58,001 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:12:58,001 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:12:58,001 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 05:12:58,002 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:12:58,002 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:12:58,002 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_423d53e2-84ce-4325-a189-32574ca437af/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 -> bb399b49d562562005292857f055e3a5f2e4f47f [2018-10-27 05:12:58,049 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:12:58,062 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:12:58,065 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:12:58,066 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:12:58,067 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:12:58,068 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_423d53e2-84ce-4325-a189-32574ca437af/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-wmm/mix056_tso.opt_false-unreach-call.i [2018-10-27 05:12:58,115 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_423d53e2-84ce-4325-a189-32574ca437af/bin-2019/uautomizer/data/b75ec2e11/6a0c777f29ef4455a5a6ed67ce80ff6b/FLAGc423f501b [2018-10-27 05:12:58,598 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:12:58,598 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_423d53e2-84ce-4325-a189-32574ca437af/sv-benchmarks/c/pthread-wmm/mix056_tso.opt_false-unreach-call.i [2018-10-27 05:12:58,618 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_423d53e2-84ce-4325-a189-32574ca437af/bin-2019/uautomizer/data/b75ec2e11/6a0c777f29ef4455a5a6ed67ce80ff6b/FLAGc423f501b [2018-10-27 05:12:58,633 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_423d53e2-84ce-4325-a189-32574ca437af/bin-2019/uautomizer/data/b75ec2e11/6a0c777f29ef4455a5a6ed67ce80ff6b [2018-10-27 05:12:58,636 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:12:58,638 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 05:12:58,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:58,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:12:58,642 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:12:58,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:58" (1/1) ... [2018-10-27 05:12:58,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66b4aefd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:58, skipping insertion in model container [2018-10-27 05:12:58,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:58" (1/1) ... [2018-10-27 05:12:58,653 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:12:58,707 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:12:59,009 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:59,022 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:12:59,109 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:59,178 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:12:59,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:59 WrapperNode [2018-10-27 05:12:59,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:59,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:12:59,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:12:59,179 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:12:59,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:59" (1/1) ... [2018-10-27 05:12:59,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:59" (1/1) ... [2018-10-27 05:12:59,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:59" (1/1) ... [2018-10-27 05:12:59,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:59" (1/1) ... [2018-10-27 05:12:59,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:59" (1/1) ... [2018-10-27 05:12:59,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:59" (1/1) ... [2018-10-27 05:12:59,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:59" (1/1) ... [2018-10-27 05:12:59,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:12:59,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:12:59,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:12:59,368 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:12:59,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_423d53e2-84ce-4325-a189-32574ca437af/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 [2018-10-27 05:12:59,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:12:59,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:12:59,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-27 05:12:59,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-10-27 05:12:59,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-10-27 05:12:59,412 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-10-27 05:12:59,412 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-10-27 05:12:59,412 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2018-10-27 05:12:59,413 INFO L138 BoogieDeclarations]: Found implementation of procedure fence [2018-10-27 05:12:59,413 INFO L138 BoogieDeclarations]: Found implementation of procedure isync [2018-10-27 05:12:59,413 INFO L138 BoogieDeclarations]: Found implementation of procedure lwfence [2018-10-27 05:12:59,413 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:12:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-10-27 05:12:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-10-27 05:12:59,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-27 05:12:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-27 05:12:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-10-27 05:12:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-10-27 05:12:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2018-10-27 05:12:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2018-10-27 05:12:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2018-10-27 05:12:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-10-27 05:12:59,414 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-10-27 05:12:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2018-10-27 05:12:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2018-10-27 05:12:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2018-10-27 05:12:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2018-10-27 05:12:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2018-10-27 05:12:59,415 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2018-10-27 05:12:59,419 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2018-10-27 05:12:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2018-10-27 05:12:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2018-10-27 05:12:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2018-10-27 05:12:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2018-10-27 05:12:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2018-10-27 05:12:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure time [2018-10-27 05:12:59,420 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2018-10-27 05:12:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2018-10-27 05:12:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2018-10-27 05:12:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2018-10-27 05:12:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2018-10-27 05:12:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2018-10-27 05:12:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2018-10-27 05:12:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2018-10-27 05:12:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2018-10-27 05:12:59,421 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2018-10-27 05:12:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2018-10-27 05:12:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2018-10-27 05:12:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2018-10-27 05:12:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2018-10-27 05:12:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2018-10-27 05:12:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2018-10-27 05:12:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2018-10-27 05:12:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2018-10-27 05:12:59,422 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2018-10-27 05:12:59,423 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2018-10-27 05:12:59,423 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2018-10-27 05:12:59,423 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2018-10-27 05:12:59,423 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2018-10-27 05:12:59,423 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2018-10-27 05:12:59,423 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2018-10-27 05:12:59,423 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2018-10-27 05:12:59,423 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2018-10-27 05:12:59,424 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2018-10-27 05:12:59,424 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2018-10-27 05:12:59,424 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2018-10-27 05:12:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2018-10-27 05:12:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2018-10-27 05:12:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2018-10-27 05:12:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2018-10-27 05:12:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2018-10-27 05:12:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2018-10-27 05:12:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2018-10-27 05:12:59,425 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2018-10-27 05:12:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2018-10-27 05:12:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2018-10-27 05:12:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2018-10-27 05:12:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2018-10-27 05:12:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2018-10-27 05:12:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2018-10-27 05:12:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2018-10-27 05:12:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2018-10-27 05:12:59,426 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2018-10-27 05:12:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2018-10-27 05:12:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2018-10-27 05:12:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2018-10-27 05:12:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2018-10-27 05:12:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2018-10-27 05:12:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2018-10-27 05:12:59,429 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2018-10-27 05:12:59,429 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2018-10-27 05:12:59,429 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2018-10-27 05:12:59,429 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2018-10-27 05:12:59,429 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2018-10-27 05:12:59,429 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2018-10-27 05:12:59,429 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2018-10-27 05:12:59,430 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2018-10-27 05:12:59,430 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2018-10-27 05:12:59,430 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2018-10-27 05:12:59,430 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2018-10-27 05:12:59,430 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2018-10-27 05:12:59,430 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2018-10-27 05:12:59,430 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2018-10-27 05:12:59,430 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2018-10-27 05:12:59,430 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2018-10-27 05:12:59,430 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2018-10-27 05:12:59,431 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2018-10-27 05:12:59,431 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2018-10-27 05:12:59,431 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2018-10-27 05:12:59,431 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2018-10-27 05:12:59,431 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2018-10-27 05:12:59,431 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2018-10-27 05:12:59,431 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2018-10-27 05:12:59,431 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2018-10-27 05:12:59,431 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2018-10-27 05:12:59,431 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2018-10-27 05:12:59,432 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2018-10-27 05:12:59,432 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2018-10-27 05:12:59,432 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2018-10-27 05:12:59,432 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2018-10-27 05:12:59,432 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2018-10-27 05:12:59,432 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2018-10-27 05:12:59,432 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2018-10-27 05:12:59,432 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2018-10-27 05:12:59,432 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2018-10-27 05:12:59,432 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2018-10-27 05:12:59,433 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2018-10-27 05:12:59,433 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2018-10-27 05:12:59,433 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2018-10-27 05:12:59,433 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2018-10-27 05:12:59,433 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2018-10-27 05:12:59,433 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2018-10-27 05:12:59,433 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2018-10-27 05:12:59,433 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2018-10-27 05:12:59,433 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2018-10-27 05:12:59,433 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2018-10-27 05:12:59,434 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2018-10-27 05:12:59,434 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2018-10-27 05:12:59,434 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2018-10-27 05:12:59,434 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2018-10-27 05:12:59,434 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2018-10-27 05:12:59,434 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2018-10-27 05:12:59,434 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2018-10-27 05:12:59,434 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2018-10-27 05:12:59,434 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2018-10-27 05:12:59,434 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2018-10-27 05:12:59,434 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2018-10-27 05:12:59,435 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2018-10-27 05:12:59,435 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2018-10-27 05:12:59,435 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2018-10-27 05:12:59,435 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2018-10-27 05:12:59,435 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2018-10-27 05:12:59,435 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2018-10-27 05:12:59,435 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2018-10-27 05:12:59,435 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2018-10-27 05:12:59,435 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2018-10-27 05:12:59,436 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2018-10-27 05:12:59,436 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2018-10-27 05:12:59,436 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2018-10-27 05:12:59,436 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2018-10-27 05:12:59,437 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2018-10-27 05:12:59,437 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2018-10-27 05:12:59,437 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2018-10-27 05:12:59,437 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2018-10-27 05:12:59,437 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2018-10-27 05:12:59,437 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2018-10-27 05:12:59,437 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2018-10-27 05:12:59,437 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2018-10-27 05:12:59,437 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-10-27 05:12:59,437 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-10-27 05:12:59,437 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2018-10-27 05:12:59,438 INFO L130 BoogieDeclarations]: Found specification of procedure fence [2018-10-27 05:12:59,438 INFO L130 BoogieDeclarations]: Found specification of procedure isync [2018-10-27 05:12:59,438 INFO L130 BoogieDeclarations]: Found specification of procedure lwfence [2018-10-27 05:12:59,438 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:12:59,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-27 05:12:59,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-27 05:12:59,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:12:59,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:12:59,440 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-10-27 05:13:00,971 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:13:01,016 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:01,017 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:01,017 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:01,018 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:01,019 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:01,021 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:01,022 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:01,022 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:01,023 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:01,023 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:01,024 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 05:13:01,031 INFO L168 Benchmark]: Toolchain (without parser) took 2394.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -101.8 MB). Peak memory consumption was 59.6 MB. Max. memory is 11.5 GB. [2018-10-27 05:13:01,033 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:13:01,034 INFO L168 Benchmark]: CACSL2BoogieTranslator took 540.45 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 916.9 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-10-27 05:13:01,034 INFO L168 Benchmark]: Boogie Preprocessor took 188.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 916.9 MB in the beginning and 1.2 GB in the end (delta: -235.4 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2018-10-27 05:13:01,035 INFO L168 Benchmark]: RCFGBuilder took 1662.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Peak memory consumption was 93.3 MB. Max. memory is 11.5 GB. [2018-10-27 05:13:01,038 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 540.45 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 916.9 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 188.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 916.9 MB in the beginning and 1.2 GB in the end (delta: -235.4 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1662.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Peak memory consumption was 93.3 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 [2018-10-27 05:13:03,180 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:13:03,181 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:13:03,197 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:13:03,198 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:13:03,199 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:13:03,200 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:13:03,201 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:13:03,203 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:13:03,204 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:13:03,205 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:13:03,205 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:13:03,206 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:13:03,206 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:13:03,207 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:13:03,209 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:13:03,209 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:13:03,211 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:13:03,213 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:13:03,214 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:13:03,215 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:13:03,217 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:13:03,219 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:13:03,219 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:13:03,219 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:13:03,220 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:13:03,221 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:13:03,222 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:13:03,222 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:13:03,224 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:13:03,224 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:13:03,225 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:13:03,225 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:13:03,225 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:13:03,226 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:13:03,226 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:13:03,227 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_423d53e2-84ce-4325-a189-32574ca437af/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-10-27 05:13:03,239 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:13:03,239 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:13:03,240 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:13:03,240 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 05:13:03,241 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 05:13:03,241 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 05:13:03,241 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 05:13:03,241 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:13:03,241 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:13:03,241 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:13:03,242 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:13:03,242 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:13:03,242 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:13:03,242 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:13:03,242 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-27 05:13:03,242 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-27 05:13:03,242 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:13:03,243 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:13:03,243 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:13:03,243 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:13:03,243 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:13:03,243 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:13:03,245 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:13:03,246 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:13:03,246 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:13:03,246 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:13:03,246 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:13:03,246 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-10-27 05:13:03,247 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:13:03,247 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-27 05:13:03,247 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-27 05:13:03,247 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_423d53e2-84ce-4325-a189-32574ca437af/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 -> bb399b49d562562005292857f055e3a5f2e4f47f [2018-10-27 05:13:03,285 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:13:03,296 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:13:03,299 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:13:03,300 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:13:03,301 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:13:03,301 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_423d53e2-84ce-4325-a189-32574ca437af/bin-2019/uautomizer/../../sv-benchmarks/c/pthread-wmm/mix056_tso.opt_false-unreach-call.i [2018-10-27 05:13:03,349 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_423d53e2-84ce-4325-a189-32574ca437af/bin-2019/uautomizer/data/067bbd833/91a10a44a36d4f0babcb63be20779692/FLAG76c6477dd [2018-10-27 05:13:03,794 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:13:03,794 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_423d53e2-84ce-4325-a189-32574ca437af/sv-benchmarks/c/pthread-wmm/mix056_tso.opt_false-unreach-call.i [2018-10-27 05:13:03,809 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_423d53e2-84ce-4325-a189-32574ca437af/bin-2019/uautomizer/data/067bbd833/91a10a44a36d4f0babcb63be20779692/FLAG76c6477dd [2018-10-27 05:13:03,824 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_423d53e2-84ce-4325-a189-32574ca437af/bin-2019/uautomizer/data/067bbd833/91a10a44a36d4f0babcb63be20779692 [2018-10-27 05:13:03,828 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:13:03,829 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 05:13:03,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:13:03,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:13:03,843 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:13:03,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:13:03" (1/1) ... [2018-10-27 05:13:03,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d694fb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:03, skipping insertion in model container [2018-10-27 05:13:03,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:13:03" (1/1) ... [2018-10-27 05:13:03,857 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:13:03,905 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:13:04,291 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:13:04,310 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:13:04,405 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:13:04,481 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:13:04,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:04 WrapperNode [2018-10-27 05:13:04,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:13:04,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:13:04,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:13:04,482 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:13:04,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:04" (1/1) ... [2018-10-27 05:13:04,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:04" (1/1) ... [2018-10-27 05:13:04,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:04" (1/1) ... [2018-10-27 05:13:04,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:04" (1/1) ... [2018-10-27 05:13:04,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:04" (1/1) ... [2018-10-27 05:13:04,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:04" (1/1) ... [2018-10-27 05:13:04,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:04" (1/1) ... [2018-10-27 05:13:04,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:13:04,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:13:04,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:13:04,642 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:13:04,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_423d53e2-84ce-4325-a189-32574ca437af/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 [2018-10-27 05:13:04,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:13:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:13:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-27 05:13:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2018-10-27 05:13:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2018-10-27 05:13:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-10-27 05:13:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-10-27 05:13:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2018-10-27 05:13:04,714 INFO L138 BoogieDeclarations]: Found implementation of procedure fence [2018-10-27 05:13:04,714 INFO L138 BoogieDeclarations]: Found implementation of procedure isync [2018-10-27 05:13:04,714 INFO L138 BoogieDeclarations]: Found implementation of procedure lwfence [2018-10-27 05:13:04,714 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:13:04,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-10-27 05:13:04,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-10-27 05:13:04,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-27 05:13:04,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-27 05:13:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-10-27 05:13:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-10-27 05:13:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2018-10-27 05:13:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2018-10-27 05:13:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2018-10-27 05:13:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2018-10-27 05:13:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2018-10-27 05:13:04,715 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpucount [2018-10-27 05:13:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpualloc [2018-10-27 05:13:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure __sched_cpufree [2018-10-27 05:13:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setparam [2018-10-27 05:13:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getparam [2018-10-27 05:13:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure sched_setscheduler [2018-10-27 05:13:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure sched_getscheduler [2018-10-27 05:13:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure sched_yield [2018-10-27 05:13:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_max [2018-10-27 05:13:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure sched_get_priority_min [2018-10-27 05:13:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure sched_rr_get_interval [2018-10-27 05:13:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure clock [2018-10-27 05:13:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure time [2018-10-27 05:13:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure difftime [2018-10-27 05:13:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure mktime [2018-10-27 05:13:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure strftime [2018-10-27 05:13:04,719 INFO L130 BoogieDeclarations]: Found specification of procedure strftime_l [2018-10-27 05:13:04,719 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime [2018-10-27 05:13:04,719 INFO L130 BoogieDeclarations]: Found specification of procedure localtime [2018-10-27 05:13:04,719 INFO L130 BoogieDeclarations]: Found specification of procedure gmtime_r [2018-10-27 05:13:04,719 INFO L130 BoogieDeclarations]: Found specification of procedure localtime_r [2018-10-27 05:13:04,719 INFO L130 BoogieDeclarations]: Found specification of procedure asctime [2018-10-27 05:13:04,719 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2018-10-27 05:13:04,719 INFO L130 BoogieDeclarations]: Found specification of procedure asctime_r [2018-10-27 05:13:04,719 INFO L130 BoogieDeclarations]: Found specification of procedure ctime_r [2018-10-27 05:13:04,720 INFO L130 BoogieDeclarations]: Found specification of procedure tzset [2018-10-27 05:13:04,720 INFO L130 BoogieDeclarations]: Found specification of procedure stime [2018-10-27 05:13:04,720 INFO L130 BoogieDeclarations]: Found specification of procedure timegm [2018-10-27 05:13:04,720 INFO L130 BoogieDeclarations]: Found specification of procedure timelocal [2018-10-27 05:13:04,720 INFO L130 BoogieDeclarations]: Found specification of procedure dysize [2018-10-27 05:13:04,720 INFO L130 BoogieDeclarations]: Found specification of procedure nanosleep [2018-10-27 05:13:04,720 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getres [2018-10-27 05:13:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure clock_gettime [2018-10-27 05:13:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure clock_settime [2018-10-27 05:13:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure clock_nanosleep [2018-10-27 05:13:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure clock_getcpuclockid [2018-10-27 05:13:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure timer_create [2018-10-27 05:13:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure timer_delete [2018-10-27 05:13:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure timer_settime [2018-10-27 05:13:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure timer_gettime [2018-10-27 05:13:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure timer_getoverrun [2018-10-27 05:13:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2018-10-27 05:13:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2018-10-27 05:13:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2018-10-27 05:13:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2018-10-27 05:13:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2018-10-27 05:13:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2018-10-27 05:13:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2018-10-27 05:13:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2018-10-27 05:13:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2018-10-27 05:13:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2018-10-27 05:13:04,727 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2018-10-27 05:13:04,727 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2018-10-27 05:13:04,727 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2018-10-27 05:13:04,727 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2018-10-27 05:13:04,727 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2018-10-27 05:13:04,727 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2018-10-27 05:13:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2018-10-27 05:13:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2018-10-27 05:13:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2018-10-27 05:13:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2018-10-27 05:13:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2018-10-27 05:13:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2018-10-27 05:13:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2018-10-27 05:13:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2018-10-27 05:13:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2018-10-27 05:13:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2018-10-27 05:13:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2018-10-27 05:13:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2018-10-27 05:13:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedprio [2018-10-27 05:13:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_once [2018-10-27 05:13:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2018-10-27 05:13:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2018-10-27 05:13:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2018-10-27 05:13:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2018-10-27 05:13:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_register_cancel [2018-10-27 05:13:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unregister_cancel [2018-10-27 05:13:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure __pthread_unwind_next [2018-10-27 05:13:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure __sigsetjmp [2018-10-27 05:13:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2018-10-27 05:13:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2018-10-27 05:13:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2018-10-27 05:13:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2018-10-27 05:13:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_timedlock [2018-10-27 05:13:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2018-10-27 05:13:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_getprioceiling [2018-10-27 05:13:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_setprioceiling [2018-10-27 05:13:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_consistent [2018-10-27 05:13:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_init [2018-10-27 05:13:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_destroy [2018-10-27 05:13:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getpshared [2018-10-27 05:13:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setpshared [2018-10-27 05:13:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_gettype [2018-10-27 05:13:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_settype [2018-10-27 05:13:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprotocol [2018-10-27 05:13:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprotocol [2018-10-27 05:13:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getprioceiling [2018-10-27 05:13:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setprioceiling [2018-10-27 05:13:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_getrobust [2018-10-27 05:13:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutexattr_setrobust [2018-10-27 05:13:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_init [2018-10-27 05:13:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_destroy [2018-10-27 05:13:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_rdlock [2018-10-27 05:13:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_tryrdlock [2018-10-27 05:13:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedrdlock [2018-10-27 05:13:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_wrlock [2018-10-27 05:13:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_trywrlock [2018-10-27 05:13:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_timedwrlock [2018-10-27 05:13:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlock_unlock [2018-10-27 05:13:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_init [2018-10-27 05:13:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_destroy [2018-10-27 05:13:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getpshared [2018-10-27 05:13:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setpshared [2018-10-27 05:13:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_getkind_np [2018-10-27 05:13:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_rwlockattr_setkind_np [2018-10-27 05:13:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_init [2018-10-27 05:13:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_destroy [2018-10-27 05:13:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_signal [2018-10-27 05:13:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_broadcast [2018-10-27 05:13:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_wait [2018-10-27 05:13:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cond_timedwait [2018-10-27 05:13:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_init [2018-10-27 05:13:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_destroy [2018-10-27 05:13:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getpshared [2018-10-27 05:13:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setpshared [2018-10-27 05:13:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_getclock [2018-10-27 05:13:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_condattr_setclock [2018-10-27 05:13:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2018-10-27 05:13:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2018-10-27 05:13:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2018-10-27 05:13:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2018-10-27 05:13:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2018-10-27 05:13:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2018-10-27 05:13:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2018-10-27 05:13:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2018-10-27 05:13:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2018-10-27 05:13:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2018-10-27 05:13:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2018-10-27 05:13:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2018-10-27 05:13:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_create [2018-10-27 05:13:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_key_delete [2018-10-27 05:13:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getspecific [2018-10-27 05:13:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setspecific [2018-10-27 05:13:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getcpuclockid [2018-10-27 05:13:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2018-10-27 05:13:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-10-27 05:13:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-10-27 05:13:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2018-10-27 05:13:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure fence [2018-10-27 05:13:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure isync [2018-10-27 05:13:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure lwfence [2018-10-27 05:13:04,747 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:13:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-27 05:13:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-27 05:13:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:13:04,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:13:04,749 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-10-27 05:13:06,785 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:13:06,829 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:06,829 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:06,829 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:06,830 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:06,830 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:06,831 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:06,833 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:06,833 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:06,834 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:06,835 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:06,835 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 05:13:06,839 INFO L168 Benchmark]: Toolchain (without parser) took 3010.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 949.2 MB in the beginning and 1.0 GB in the end (delta: -98.6 MB). Peak memory consumption was 52.9 MB. Max. memory is 11.5 GB. [2018-10-27 05:13:06,841 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:13:06,841 INFO L168 Benchmark]: CACSL2BoogieTranslator took 651.49 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 915.7 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. [2018-10-27 05:13:06,842 INFO L168 Benchmark]: Boogie Preprocessor took 158.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 915.7 MB in the beginning and 1.2 GB in the end (delta: -235.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-10-27 05:13:06,843 INFO L168 Benchmark]: RCFGBuilder took 2196.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 103.0 MB). Peak memory consumption was 103.0 MB. Max. memory is 11.5 GB. [2018-10-27 05:13:06,849 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 651.49 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 915.7 MB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 158.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 915.7 MB in the beginning and 1.2 GB in the end (delta: -235.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2196.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 103.0 MB). Peak memory consumption was 103.0 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...