./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant_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_e506f9b8-b44b-4e90-8afa-4b5db0664bd6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e506f9b8-b44b-4e90-8afa-4b5db0664bd6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e506f9b8-b44b-4e90-8afa-4b5db0664bd6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e506f9b8-b44b-4e90-8afa-4b5db0664bd6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e506f9b8-b44b-4e90-8afa-4b5db0664bd6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e506f9b8-b44b-4e90-8afa-4b5db0664bd6/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 a426994b1a43501e199cdd5a77b142fc4e9017ad ............................................................................................................................................................................................... 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_e506f9b8-b44b-4e90-8afa-4b5db0664bd6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e506f9b8-b44b-4e90-8afa-4b5db0664bd6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e506f9b8-b44b-4e90-8afa-4b5db0664bd6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e506f9b8-b44b-4e90-8afa-4b5db0664bd6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e506f9b8-b44b-4e90-8afa-4b5db0664bd6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e506f9b8-b44b-4e90-8afa-4b5db0664bd6/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 a426994b1a43501e199cdd5a77b142fc4e9017ad ....................................................................................................................................................................................................... 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 05:12:02,556 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:12:02,557 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:12:02,566 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:12:02,567 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:12:02,568 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:12:02,568 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:12:02,570 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:12:02,572 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:12:02,572 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:12:02,573 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:12:02,573 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:12:02,574 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:12:02,575 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:12:02,576 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:12:02,577 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:12:02,577 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:12:02,578 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:12:02,580 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:12:02,581 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:12:02,582 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:12:02,583 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:12:02,585 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:12:02,585 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:12:02,585 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:12:02,586 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:12:02,586 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:12:02,587 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:12:02,588 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:12:02,589 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:12:02,589 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:12:02,590 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:12:02,590 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:12:02,590 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:12:02,591 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:12:02,592 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:12:02,592 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e506f9b8-b44b-4e90-8afa-4b5db0664bd6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-27 05:12:02,603 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:12:02,603 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:12:02,603 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:12:02,604 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:12:02,604 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:12:02,604 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:12:02,604 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 05:12:02,605 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:12:02,605 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 05:12:02,605 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 05:12:02,605 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:12:02,606 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:12:02,606 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:12:02,606 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:12:02,606 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:12:02,606 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:12:02,606 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:12:02,606 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:12:02,607 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:12:02,607 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:12:02,607 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:12:02,607 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:12:02,607 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:12:02,607 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:12:02,607 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:12:02,608 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:12:02,608 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:12:02,608 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:12:02,608 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:12:02,608 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:12:02,608 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 05:12:02,608 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:12:02,608 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:12:02,609 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 05:12:02,609 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_e506f9b8-b44b-4e90-8afa-4b5db0664bd6/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 -> a426994b1a43501e199cdd5a77b142fc4e9017ad [2018-10-27 05:12:02,636 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:12:02,646 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:12:02,649 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:12:02,650 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:12:02,650 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:12:02,656 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e506f9b8-b44b-4e90-8afa-4b5db0664bd6/bin-2019/utaipan/../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant_true-unreach-call.i [2018-10-27 05:12:02,700 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e506f9b8-b44b-4e90-8afa-4b5db0664bd6/bin-2019/utaipan/data/8ed88db7b/7b0786d1124f4a13bb54d0246393f434/FLAGb85ea1287 [2018-10-27 05:12:03,113 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:12:03,113 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e506f9b8-b44b-4e90-8afa-4b5db0664bd6/sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant_true-unreach-call.i [2018-10-27 05:12:03,125 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e506f9b8-b44b-4e90-8afa-4b5db0664bd6/bin-2019/utaipan/data/8ed88db7b/7b0786d1124f4a13bb54d0246393f434/FLAGb85ea1287 [2018-10-27 05:12:03,138 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e506f9b8-b44b-4e90-8afa-4b5db0664bd6/bin-2019/utaipan/data/8ed88db7b/7b0786d1124f4a13bb54d0246393f434 [2018-10-27 05:12:03,141 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:12:03,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:12:03,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:03,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:12:03,149 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:12:03,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:03" (1/1) ... [2018-10-27 05:12:03,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@320f63e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:03, skipping insertion in model container [2018-10-27 05:12:03,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:03" (1/1) ... [2018-10-27 05:12:03,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:12:03,196 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:12:03,459 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:03,468 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:12:03,503 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:03,568 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:12:03,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:03 WrapperNode [2018-10-27 05:12:03,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:03,569 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:12:03,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:12:03,569 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:12:03,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:03" (1/1) ... [2018-10-27 05:12:03,591 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:03" (1/1) ... [2018-10-27 05:12:03,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:12:03,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:12:03,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:12:03,672 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:12:03,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:03" (1/1) ... [2018-10-27 05:12:03,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:03" (1/1) ... [2018-10-27 05:12:03,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:03" (1/1) ... [2018-10-27 05:12:03,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:03" (1/1) ... [2018-10-27 05:12:03,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:03" (1/1) ... [2018-10-27 05:12:03,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:03" (1/1) ... [2018-10-27 05:12:03,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:03" (1/1) ... [2018-10-27 05:12:03,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:12:03,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:12:03,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:12:03,699 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:12:03,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e506f9b8-b44b-4e90-8afa-4b5db0664bd6/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 [2018-10-27 05:12:03,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-27 05:12:03,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-27 05:12:03,761 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-10-27 05:12:03,761 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-10-27 05:12:03,761 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-10-27 05:12:03,761 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-10-27 05:12:03,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:12:03,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:12:03,762 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:12:03,762 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:12:03,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:12:03,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:12:03,763 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 05:12:04,648 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:12:04,671 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:04,672 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:04,672 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:04,672 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:04,673 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 05:12:04,676 INFO L168 Benchmark]: Toolchain (without parser) took 1534.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 955.8 MB in the beginning and 1.1 GB in the end (delta: -147.0 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:04,677 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:12:04,678 INFO L168 Benchmark]: CACSL2BoogieTranslator took 424.92 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 920.9 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:04,678 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 920.9 MB in the beginning and 1.2 GB in the end (delta: -230.7 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:04,685 INFO L168 Benchmark]: Boogie Preprocessor took 26.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:04,686 INFO L168 Benchmark]: RCFGBuilder took 976.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:04,690 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 424.92 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 920.9 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 102.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 920.9 MB in the beginning and 1.2 GB in the end (delta: -230.7 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.69 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 976.86 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: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: null de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: null: de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-27 05:12:06,527 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:12:06,528 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:12:06,537 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:12:06,538 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:12:06,538 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:12:06,540 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:12:06,541 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:12:06,542 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:12:06,543 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:12:06,543 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:12:06,544 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:12:06,544 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:12:06,545 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:12:06,546 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:12:06,546 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:12:06,548 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:12:06,549 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:12:06,551 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:12:06,552 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:12:06,553 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:12:06,554 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:12:06,556 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:12:06,557 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:12:06,557 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:12:06,557 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:12:06,558 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:12:06,559 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:12:06,560 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:12:06,561 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:12:06,561 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:12:06,562 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:12:06,562 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:12:06,562 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:12:06,563 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:12:06,564 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:12:06,564 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e506f9b8-b44b-4e90-8afa-4b5db0664bd6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-27 05:12:06,580 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:12:06,581 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:12:06,581 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:12:06,581 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:12:06,582 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:12:06,582 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:12:06,582 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:12:06,582 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:12:06,582 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:12:06,583 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:12:06,583 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:12:06,583 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:12:06,583 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:12:06,583 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:12:06,583 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:12:06,583 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-27 05:12:06,584 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-27 05:12:06,584 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:12:06,584 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:12:06,584 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:12:06,584 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:12:06,584 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:12:06,584 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:12:06,585 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:12:06,585 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:12:06,585 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:12:06,585 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:12:06,585 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:12:06,585 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-27 05:12:06,585 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:12:06,586 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-27 05:12:06,586 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-27 05:12:06,586 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_e506f9b8-b44b-4e90-8afa-4b5db0664bd6/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 -> a426994b1a43501e199cdd5a77b142fc4e9017ad [2018-10-27 05:12:06,634 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:12:06,649 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:12:06,653 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:12:06,654 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:12:06,654 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:12:06,655 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e506f9b8-b44b-4e90-8afa-4b5db0664bd6/bin-2019/utaipan/../../sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant_true-unreach-call.i [2018-10-27 05:12:06,703 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e506f9b8-b44b-4e90-8afa-4b5db0664bd6/bin-2019/utaipan/data/d46367874/e12aa236a63d49ac8b73fc59e1c4eeb8/FLAGd1c248f34 [2018-10-27 05:12:07,163 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:12:07,163 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e506f9b8-b44b-4e90-8afa-4b5db0664bd6/sv-benchmarks/c/pthread-nondet/nondet-loop-bound-variant_true-unreach-call.i [2018-10-27 05:12:07,173 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e506f9b8-b44b-4e90-8afa-4b5db0664bd6/bin-2019/utaipan/data/d46367874/e12aa236a63d49ac8b73fc59e1c4eeb8/FLAGd1c248f34 [2018-10-27 05:12:07,185 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e506f9b8-b44b-4e90-8afa-4b5db0664bd6/bin-2019/utaipan/data/d46367874/e12aa236a63d49ac8b73fc59e1c4eeb8 [2018-10-27 05:12:07,187 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:12:07,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:12:07,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:07,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:12:07,193 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:12:07,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:07" (1/1) ... [2018-10-27 05:12:07,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3841a324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:07, skipping insertion in model container [2018-10-27 05:12:07,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:07" (1/1) ... [2018-10-27 05:12:07,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:12:07,239 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:12:07,568 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:07,580 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:12:07,630 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:07,702 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:12:07,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:07 WrapperNode [2018-10-27 05:12:07,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:07,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:12:07,704 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:12:07,704 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:12:07,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:07" (1/1) ... [2018-10-27 05:12:07,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:07" (1/1) ... [2018-10-27 05:12:07,763 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:12:07,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:12:07,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:12:07,763 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:12:07,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:07" (1/1) ... [2018-10-27 05:12:07,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:07" (1/1) ... [2018-10-27 05:12:07,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:07" (1/1) ... [2018-10-27 05:12:07,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:07" (1/1) ... [2018-10-27 05:12:07,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:07" (1/1) ... [2018-10-27 05:12:07,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:07" (1/1) ... [2018-10-27 05:12:07,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:07" (1/1) ... [2018-10-27 05:12:07,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:12:07,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:12:07,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:12:07,874 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:12:07,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e506f9b8-b44b-4e90-8afa-4b5db0664bd6/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 [2018-10-27 05:12:07,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-27 05:12:07,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-27 05:12:07,920 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-10-27 05:12:07,920 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-10-27 05:12:07,920 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-10-27 05:12:07,920 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-10-27 05:12:07,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:12:07,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:12:07,920 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:12:07,920 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:12:07,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:12:07,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:12:07,922 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 05:12:08,654 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:12:08,677 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:08,677 WARN L317 ript$VariableManager]: TermVariabe |Thread1_thr2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:08,678 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:08,678 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:08,679 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 05:12:08,681 INFO L168 Benchmark]: Toolchain (without parser) took 1493.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -168.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:12:08,683 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 973.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:12:08,683 INFO L168 Benchmark]: CACSL2BoogieTranslator took 513.69 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 910.3 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:08,684 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.20 ms. Allocated memory is still 1.0 GB. Free memory is still 910.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:12:08,684 INFO L168 Benchmark]: Boogie Preprocessor took 110.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 910.3 MB in the beginning and 1.2 GB in the end (delta: -240.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:08,685 INFO L168 Benchmark]: RCFGBuilder took 807.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 39.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:08,687 INFO L336 ainManager$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 973.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 513.69 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 910.3 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.20 ms. Allocated memory is still 1.0 GB. Free memory is still 910.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 110.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 910.3 MB in the beginning and 1.2 GB in the end (delta: -240.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 807.29 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: 39.7 MB). Peak memory consumption was 39.7 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...