./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread/queue_ok_true-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_901e8ef8-4ee7-4d3e-aeba-2585fe260bc9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_901e8ef8-4ee7-4d3e-aeba-2585fe260bc9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_901e8ef8-4ee7-4d3e-aeba-2585fe260bc9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_901e8ef8-4ee7-4d3e-aeba-2585fe260bc9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/queue_ok_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_901e8ef8-4ee7-4d3e-aeba-2585fe260bc9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_901e8ef8-4ee7-4d3e-aeba-2585fe260bc9/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5c46c278ae607027f4df82d67a2a6f18648f9927 ........................................................................................................................................................................................................... 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_901e8ef8-4ee7-4d3e-aeba-2585fe260bc9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_901e8ef8-4ee7-4d3e-aeba-2585fe260bc9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_901e8ef8-4ee7-4d3e-aeba-2585fe260bc9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_901e8ef8-4ee7-4d3e-aeba-2585fe260bc9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/queue_ok_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_901e8ef8-4ee7-4d3e-aeba-2585fe260bc9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_901e8ef8-4ee7-4d3e-aeba-2585fe260bc9/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5c46c278ae607027f4df82d67a2a6f18648f9927 ............................................................................................................................................................................................................. 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 08:55:38,295 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 08:55:38,296 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 08:55:38,303 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 08:55:38,303 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 08:55:38,304 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 08:55:38,305 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 08:55:38,306 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 08:55:38,307 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 08:55:38,308 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 08:55:38,308 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 08:55:38,308 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 08:55:38,309 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 08:55:38,310 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 08:55:38,310 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 08:55:38,311 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 08:55:38,312 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 08:55:38,313 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 08:55:38,314 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 08:55:38,315 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 08:55:38,316 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 08:55:38,317 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 08:55:38,318 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 08:55:38,319 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 08:55:38,319 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 08:55:38,319 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 08:55:38,320 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 08:55:38,321 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 08:55:38,321 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 08:55:38,322 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 08:55:38,322 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 08:55:38,323 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 08:55:38,323 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 08:55:38,323 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 08:55:38,323 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 08:55:38,324 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 08:55:38,324 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_901e8ef8-4ee7-4d3e-aeba-2585fe260bc9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 08:55:38,334 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 08:55:38,334 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 08:55:38,335 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 08:55:38,335 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 08:55:38,335 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 08:55:38,336 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 08:55:38,336 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 08:55:38,336 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 08:55:38,336 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 08:55:38,336 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 08:55:38,336 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 08:55:38,337 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 08:55:38,337 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 08:55:38,337 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 08:55:38,337 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 08:55:38,337 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 08:55:38,338 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 08:55:38,338 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 08:55:38,338 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 08:55:38,338 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 08:55:38,338 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 08:55:38,338 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 08:55:38,338 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 08:55:38,339 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 08:55:38,339 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 08:55:38,339 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 08:55:38,339 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 08:55:38,339 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 08:55:38,339 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 08:55:38,340 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 08:55:38,340 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 08:55:38,340 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 08:55:38,340 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 08:55:38,340 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 08:55:38,340 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_901e8ef8-4ee7-4d3e-aeba-2585fe260bc9/bin-2019/utaipan 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 -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c46c278ae607027f4df82d67a2a6f18648f9927 [2018-11-10 08:55:38,361 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 08:55:38,369 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 08:55:38,371 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 08:55:38,372 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 08:55:38,373 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 08:55:38,373 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_901e8ef8-4ee7-4d3e-aeba-2585fe260bc9/bin-2019/utaipan/../../sv-benchmarks/c/pthread/queue_ok_true-unreach-call.i [2018-11-10 08:55:38,408 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_901e8ef8-4ee7-4d3e-aeba-2585fe260bc9/bin-2019/utaipan/data/16bb8e559/4f4984518ecc4ff38a3885b6f5bfc3e5/FLAG37b8fd7f6 [2018-11-10 08:55:38,853 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 08:55:38,853 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_901e8ef8-4ee7-4d3e-aeba-2585fe260bc9/sv-benchmarks/c/pthread/queue_ok_true-unreach-call.i [2018-11-10 08:55:38,864 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_901e8ef8-4ee7-4d3e-aeba-2585fe260bc9/bin-2019/utaipan/data/16bb8e559/4f4984518ecc4ff38a3885b6f5bfc3e5/FLAG37b8fd7f6 [2018-11-10 08:55:38,875 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_901e8ef8-4ee7-4d3e-aeba-2585fe260bc9/bin-2019/utaipan/data/16bb8e559/4f4984518ecc4ff38a3885b6f5bfc3e5 [2018-11-10 08:55:38,877 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 08:55:38,878 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 08:55:38,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 08:55:38,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 08:55:38,880 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 08:55:38,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:55:38" (1/1) ... [2018-11-10 08:55:38,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e198594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:38, skipping insertion in model container [2018-11-10 08:55:38,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:55:38" (1/1) ... [2018-11-10 08:55:38,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 08:55:38,920 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 08:55:39,201 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:55:39,213 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 08:55:39,254 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:55:39,351 INFO L193 MainTranslator]: Completed translation [2018-11-10 08:55:39,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:39 WrapperNode [2018-11-10 08:55:39,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 08:55:39,352 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 08:55:39,352 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 08:55:39,352 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 08:55:39,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:39" (1/1) ... [2018-11-10 08:55:39,440 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:39" (1/1) ... [2018-11-10 08:55:39,471 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 08:55:39,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 08:55:39,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 08:55:39,471 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 08:55:39,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:39" (1/1) ... [2018-11-10 08:55:39,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:39" (1/1) ... [2018-11-10 08:55:39,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:39" (1/1) ... [2018-11-10 08:55:39,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:39" (1/1) ... [2018-11-10 08:55:39,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:39" (1/1) ... [2018-11-10 08:55:39,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:39" (1/1) ... [2018-11-10 08:55:39,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:39" (1/1) ... [2018-11-10 08:55:39,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 08:55:39,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 08:55:39,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 08:55:39,514 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 08:55:39,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_901e8ef8-4ee7-4d3e-aeba-2585fe260bc9/bin-2019/utaipan/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 08:55:39,567 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2018-11-10 08:55:39,567 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2018-11-10 08:55:39,567 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2018-11-10 08:55:39,567 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2018-11-10 08:55:39,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 08:55:39,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 08:55:39,568 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2018-11-10 08:55:39,568 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2018-11-10 08:55:39,568 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2018-11-10 08:55:39,568 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2018-11-10 08:55:39,568 INFO L130 BoogieDeclarations]: Found specification of procedure init [2018-11-10 08:55:39,568 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2018-11-10 08:55:39,568 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue [2018-11-10 08:55:39,568 INFO L138 BoogieDeclarations]: Found implementation of procedure dequeue [2018-11-10 08:55:39,569 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 08:55:39,569 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 08:55:39,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 08:55:39,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 08:55:39,570 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 08:55:40,458 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 08:55:40,498 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 08:55:40,498 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 08:55:40,498 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 08:55:40,499 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 08:55:40,500 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 08:55:40,503 INFO L168 Benchmark]: Toolchain (without parser) took 1625.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 952.2 MB in the beginning and 1.0 GB in the end (delta: -53.4 MB). Peak memory consumption was 97.1 MB. Max. memory is 11.5 GB. [2018-11-10 08:55:40,504 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 08:55:40,505 INFO L168 Benchmark]: CACSL2BoogieTranslator took 473.70 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 893.1 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. [2018-11-10 08:55:40,506 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 893.1 MB in the beginning and 1.1 GB in the end (delta: -244.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2018-11-10 08:55:40,506 INFO L168 Benchmark]: Boogie Preprocessor took 43.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-10 08:55:40,507 INFO L168 Benchmark]: RCFGBuilder took 988.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 129.0 MB). Peak memory consumption was 129.0 MB. Max. memory is 11.5 GB. [2018-11-10 08:55:40,510 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 473.70 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 893.1 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 118.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 893.1 MB in the beginning and 1.1 GB in the end (delta: -244.9 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 988.34 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: 129.0 MB). Peak memory consumption was 129.0 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... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 08:55:41,986 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 08:55:41,987 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 08:55:41,995 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 08:55:41,995 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 08:55:41,996 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 08:55:41,996 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 08:55:41,997 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 08:55:41,999 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 08:55:41,999 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 08:55:42,000 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 08:55:42,000 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 08:55:42,000 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 08:55:42,001 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 08:55:42,001 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 08:55:42,002 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 08:55:42,002 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 08:55:42,003 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 08:55:42,009 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 08:55:42,010 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 08:55:42,010 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 08:55:42,011 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 08:55:42,013 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 08:55:42,013 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 08:55:42,013 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 08:55:42,014 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 08:55:42,015 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 08:55:42,015 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 08:55:42,016 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 08:55:42,017 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 08:55:42,017 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 08:55:42,018 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 08:55:42,018 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 08:55:42,018 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 08:55:42,019 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 08:55:42,019 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 08:55:42,019 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_901e8ef8-4ee7-4d3e-aeba-2585fe260bc9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 08:55:42,030 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 08:55:42,030 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 08:55:42,031 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 08:55:42,031 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 08:55:42,031 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 08:55:42,031 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 08:55:42,031 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 08:55:42,031 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 08:55:42,032 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 08:55:42,032 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 08:55:42,032 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 08:55:42,032 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 08:55:42,033 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 08:55:42,033 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 08:55:42,033 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 08:55:42,033 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 08:55:42,033 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 08:55:42,033 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 08:55:42,033 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 08:55:42,033 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 08:55:42,033 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 08:55:42,034 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 08:55:42,034 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 08:55:42,034 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 08:55:42,034 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 08:55:42,034 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 08:55:42,034 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 08:55:42,034 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 08:55:42,034 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 08:55:42,034 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 08:55:42,034 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 08:55:42,034 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 08:55:42,034 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_901e8ef8-4ee7-4d3e-aeba-2585fe260bc9/bin-2019/utaipan 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 -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c46c278ae607027f4df82d67a2a6f18648f9927 [2018-11-10 08:55:42,062 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 08:55:42,070 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 08:55:42,072 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 08:55:42,073 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 08:55:42,073 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 08:55:42,074 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_901e8ef8-4ee7-4d3e-aeba-2585fe260bc9/bin-2019/utaipan/../../sv-benchmarks/c/pthread/queue_ok_true-unreach-call.i [2018-11-10 08:55:42,111 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_901e8ef8-4ee7-4d3e-aeba-2585fe260bc9/bin-2019/utaipan/data/3c5919b97/14e7acc741d7454d8d5a24468595a05b/FLAGe209ded7d [2018-11-10 08:55:42,472 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 08:55:42,473 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_901e8ef8-4ee7-4d3e-aeba-2585fe260bc9/sv-benchmarks/c/pthread/queue_ok_true-unreach-call.i [2018-11-10 08:55:42,484 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_901e8ef8-4ee7-4d3e-aeba-2585fe260bc9/bin-2019/utaipan/data/3c5919b97/14e7acc741d7454d8d5a24468595a05b/FLAGe209ded7d [2018-11-10 08:55:42,494 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_901e8ef8-4ee7-4d3e-aeba-2585fe260bc9/bin-2019/utaipan/data/3c5919b97/14e7acc741d7454d8d5a24468595a05b [2018-11-10 08:55:42,498 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 08:55:42,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 08:55:42,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 08:55:42,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 08:55:42,502 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 08:55:42,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:55:42" (1/1) ... [2018-11-10 08:55:42,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@612d41d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:42, skipping insertion in model container [2018-11-10 08:55:42,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:55:42" (1/1) ... [2018-11-10 08:55:42,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 08:55:42,549 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 08:55:42,873 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:55:42,890 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 08:55:42,935 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:55:43,047 INFO L193 MainTranslator]: Completed translation [2018-11-10 08:55:43,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:43 WrapperNode [2018-11-10 08:55:43,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 08:55:43,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 08:55:43,048 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 08:55:43,049 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 08:55:43,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:43" (1/1) ... [2018-11-10 08:55:43,125 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:43" (1/1) ... [2018-11-10 08:55:43,157 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 08:55:43,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 08:55:43,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 08:55:43,158 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 08:55:43,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:43" (1/1) ... [2018-11-10 08:55:43,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:43" (1/1) ... [2018-11-10 08:55:43,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:43" (1/1) ... [2018-11-10 08:55:43,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:43" (1/1) ... [2018-11-10 08:55:43,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:43" (1/1) ... [2018-11-10 08:55:43,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:43" (1/1) ... [2018-11-10 08:55:43,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:43" (1/1) ... [2018-11-10 08:55:43,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 08:55:43,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 08:55:43,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 08:55:43,207 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 08:55:43,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:55:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_901e8ef8-4ee7-4d3e-aeba-2585fe260bc9/bin-2019/utaipan/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 08:55:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2018-11-10 08:55:43,258 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2018-11-10 08:55:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2018-11-10 08:55:43,258 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2018-11-10 08:55:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 08:55:43,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 08:55:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2018-11-10 08:55:43,259 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2018-11-10 08:55:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2018-11-10 08:55:43,259 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2018-11-10 08:55:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure init [2018-11-10 08:55:43,260 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2018-11-10 08:55:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue [2018-11-10 08:55:43,260 INFO L138 BoogieDeclarations]: Found implementation of procedure dequeue [2018-11-10 08:55:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 08:55:43,260 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 08:55:43,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 08:55:43,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 08:55:43,261 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 08:55:44,611 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 08:55:44,661 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 08:55:44,663 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 08:55:44,664 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 08:55:44,664 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 08:55:44,665 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 08:55:44,669 INFO L168 Benchmark]: Toolchain (without parser) took 2170.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 944.4 MB in the beginning and 963.7 MB in the end (delta: -19.3 MB). Peak memory consumption was 103.4 MB. Max. memory is 11.5 GB. [2018-11-10 08:55:44,671 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 08:55:44,671 INFO L168 Benchmark]: CACSL2BoogieTranslator took 548.58 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 885.3 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. [2018-11-10 08:55:44,674 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 885.3 MB in the beginning and 1.1 GB in the end (delta: -216.3 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2018-11-10 08:55:44,675 INFO L168 Benchmark]: Boogie Preprocessor took 49.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-10 08:55:44,676 INFO L168 Benchmark]: RCFGBuilder took 1461.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 963.7 MB in the end (delta: 131.0 MB). Peak memory consumption was 131.0 MB. Max. memory is 11.5 GB. [2018-11-10 08:55:44,679 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 548.58 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 885.3 MB in the end (delta: 59.1 MB). Peak memory consumption was 59.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 109.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 885.3 MB in the beginning and 1.1 GB in the end (delta: -216.3 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1461.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 963.7 MB in the end (delta: 131.0 MB). Peak memory consumption was 131.0 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...