./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread/stack_longest_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_dc59ab7e-e30d-4bcd-971e-6c8702bbc1c7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dc59ab7e-e30d-4bcd-971e-6c8702bbc1c7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dc59ab7e-e30d-4bcd-971e-6c8702bbc1c7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dc59ab7e-e30d-4bcd-971e-6c8702bbc1c7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_dc59ab7e-e30d-4bcd-971e-6c8702bbc1c7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dc59ab7e-e30d-4bcd-971e-6c8702bbc1c7/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 4d4a7bdd46f48c471566c49396e2e33ee2d37fb9 ......................................................................................................................................................................................................... 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_dc59ab7e-e30d-4bcd-971e-6c8702bbc1c7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dc59ab7e-e30d-4bcd-971e-6c8702bbc1c7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dc59ab7e-e30d-4bcd-971e-6c8702bbc1c7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dc59ab7e-e30d-4bcd-971e-6c8702bbc1c7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_dc59ab7e-e30d-4bcd-971e-6c8702bbc1c7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dc59ab7e-e30d-4bcd-971e-6c8702bbc1c7/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 4d4a7bdd46f48c471566c49396e2e33ee2d37fb9 ....................................................................................................................................................................................................... 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 05:13:12,148 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:13:12,149 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:13:12,159 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:13:12,159 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:13:12,160 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:13:12,161 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:13:12,163 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:13:12,167 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:13:12,173 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:13:12,174 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:13:12,174 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:13:12,175 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:13:12,176 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:13:12,177 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:13:12,178 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:13:12,178 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:13:12,180 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:13:12,181 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:13:12,182 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:13:12,183 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:13:12,184 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:13:12,194 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:13:12,195 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:13:12,195 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:13:12,195 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:13:12,196 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:13:12,197 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:13:12,197 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:13:12,198 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:13:12,198 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:13:12,199 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:13:12,199 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:13:12,199 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:13:12,200 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:13:12,200 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:13:12,200 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dc59ab7e-e30d-4bcd-971e-6c8702bbc1c7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-27 05:13:12,222 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:13:12,222 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:13:12,223 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:13:12,223 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:13:12,223 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:13:12,223 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:13:12,224 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 05:13:12,224 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:13:12,224 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 05:13:12,224 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 05:13:12,224 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:13:12,225 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:13:12,225 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:13:12,225 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:13:12,225 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:13:12,225 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:13:12,225 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:13:12,225 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:13:12,226 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:13:12,226 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:13:12,226 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:13:12,226 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:13:12,226 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:13:12,226 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:13:12,226 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:13:12,227 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:13:12,227 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:13:12,227 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:13:12,227 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:13:12,227 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:13:12,227 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 05:13:12,227 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:13:12,228 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:13:12,228 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 05:13:12,228 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_dc59ab7e-e30d-4bcd-971e-6c8702bbc1c7/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 -> 4d4a7bdd46f48c471566c49396e2e33ee2d37fb9 [2018-10-27 05:13:12,262 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:13:12,273 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:13:12,278 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:13:12,279 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:13:12,280 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:13:12,280 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dc59ab7e-e30d-4bcd-971e-6c8702bbc1c7/bin-2019/utaipan/../../sv-benchmarks/c/pthread/stack_longest_true-unreach-call.i [2018-10-27 05:13:12,335 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dc59ab7e-e30d-4bcd-971e-6c8702bbc1c7/bin-2019/utaipan/data/d0a79c7e0/86cc474621ec4d3caa5f92f63a37a81f/FLAG53742ed1e [2018-10-27 05:13:12,799 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:13:12,799 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dc59ab7e-e30d-4bcd-971e-6c8702bbc1c7/sv-benchmarks/c/pthread/stack_longest_true-unreach-call.i [2018-10-27 05:13:12,817 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dc59ab7e-e30d-4bcd-971e-6c8702bbc1c7/bin-2019/utaipan/data/d0a79c7e0/86cc474621ec4d3caa5f92f63a37a81f/FLAG53742ed1e [2018-10-27 05:13:12,837 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dc59ab7e-e30d-4bcd-971e-6c8702bbc1c7/bin-2019/utaipan/data/d0a79c7e0/86cc474621ec4d3caa5f92f63a37a81f [2018-10-27 05:13:12,839 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:13:12,841 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:13:12,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:13:12,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:13:12,844 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:13:12,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:13:12" (1/1) ... [2018-10-27 05:13:12,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42b298a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:12, skipping insertion in model container [2018-10-27 05:13:12,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:13:12" (1/1) ... [2018-10-27 05:13:12,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:13:12,896 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:13:13,242 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:13:13,297 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:13:13,361 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:13:13,659 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:13:13,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:13 WrapperNode [2018-10-27 05:13:13,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:13:13,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:13:13,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:13:13,661 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:13:13,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:13" (1/1) ... [2018-10-27 05:13:13,719 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:13" (1/1) ... [2018-10-27 05:13:13,874 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:13:13,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:13:13,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:13:13,875 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:13:13,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:13" (1/1) ... [2018-10-27 05:13:13,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:13" (1/1) ... [2018-10-27 05:13:13,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:13" (1/1) ... [2018-10-27 05:13:13,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:13" (1/1) ... [2018-10-27 05:13:13,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:13" (1/1) ... [2018-10-27 05:13:13,985 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:13" (1/1) ... [2018-10-27 05:13:14,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:13" (1/1) ... [2018-10-27 05:13:14,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:13:14,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:13:14,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:13:14,020 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:13:14,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc59ab7e-e30d-4bcd-971e-6c8702bbc1c7/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 05:13:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2018-10-27 05:13:14,077 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2018-10-27 05:13:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2018-10-27 05:13:14,077 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2018-10-27 05:13:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure pop [2018-10-27 05:13:14,077 INFO L138 BoogieDeclarations]: Found implementation of procedure pop [2018-10-27 05:13:14,078 INFO L130 BoogieDeclarations]: Found specification of procedure dec_top [2018-10-27 05:13:14,078 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_top [2018-10-27 05:13:14,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:13:14,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:13:14,078 INFO L130 BoogieDeclarations]: Found specification of procedure inc_top [2018-10-27 05:13:14,078 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_top [2018-10-27 05:13:14,078 INFO L130 BoogieDeclarations]: Found specification of procedure push [2018-10-27 05:13:14,078 INFO L138 BoogieDeclarations]: Found implementation of procedure push [2018-10-27 05:13:14,078 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2018-10-27 05:13:14,078 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2018-10-27 05:13:14,079 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:13:14,079 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:13:14,079 INFO L130 BoogieDeclarations]: Found specification of procedure error [2018-10-27 05:13:14,080 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2018-10-27 05:13:14,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:13:14,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:13:14,082 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-10-27 05:13:21,089 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:13:21,176 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:21,176 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:21,177 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:21,177 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:21,178 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException at de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:89) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 05:13:21,181 INFO L168 Benchmark]: Toolchain (without parser) took 8341.11 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 364.9 MB). Free memory was 953.1 MB in the beginning and 1.2 GB in the end (delta: -214.4 MB). Peak memory consumption was 394.0 MB. Max. memory is 11.5 GB. [2018-10-27 05:13:21,182 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:13:21,183 INFO L168 Benchmark]: CACSL2BoogieTranslator took 818.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 203.9 MB). Free memory was 953.1 MB in the beginning and 1.2 GB in the end (delta: -250.4 MB). Peak memory consumption was 89.4 MB. Max. memory is 11.5 GB. [2018-10-27 05:13:21,184 INFO L168 Benchmark]: Boogie Procedure Inliner took 214.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 32.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2018-10-27 05:13:21,184 INFO L168 Benchmark]: Boogie Preprocessor took 144.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2018-10-27 05:13:21,185 INFO L168 Benchmark]: RCFGBuilder took 7160.13 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 161.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -21.4 MB). Peak memory consumption was 383.1 MB. Max. memory is 11.5 GB. [2018-10-27 05:13:21,190 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 818.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 203.9 MB). Free memory was 953.1 MB in the beginning and 1.2 GB in the end (delta: -250.4 MB). Peak memory consumption was 89.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 214.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 32.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 144.89 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: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 7160.13 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 161.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -21.4 MB). Peak memory consumption was 383.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: null de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: null: de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-27 05:13:23,070 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:13:23,073 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:13:23,084 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:13:23,084 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:13:23,085 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:13:23,085 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:13:23,087 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:13:23,090 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:13:23,090 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:13:23,091 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:13:23,091 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:13:23,092 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:13:23,093 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:13:23,097 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:13:23,097 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:13:23,098 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:13:23,099 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:13:23,100 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:13:23,111 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:13:23,112 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:13:23,113 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:13:23,115 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:13:23,115 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:13:23,115 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:13:23,120 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:13:23,120 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:13:23,121 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:13:23,121 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:13:23,122 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:13:23,122 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:13:23,123 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:13:23,123 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:13:23,123 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:13:23,124 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:13:23,124 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:13:23,125 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dc59ab7e-e30d-4bcd-971e-6c8702bbc1c7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-27 05:13:23,143 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:13:23,143 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:13:23,144 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:13:23,144 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:13:23,144 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:13:23,144 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:13:23,144 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:13:23,145 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:13:23,145 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:13:23,145 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:13:23,145 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:13:23,146 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:13:23,146 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:13:23,146 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:13:23,146 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:13:23,146 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-27 05:13:23,146 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-27 05:13:23,146 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:13:23,147 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:13:23,147 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:13:23,147 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:13:23,147 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:13:23,147 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:13:23,147 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:13:23,147 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:13:23,148 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:13:23,148 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:13:23,148 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:13:23,148 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-27 05:13:23,148 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:13:23,148 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-27 05:13:23,149 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-27 05:13:23,149 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_dc59ab7e-e30d-4bcd-971e-6c8702bbc1c7/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 -> 4d4a7bdd46f48c471566c49396e2e33ee2d37fb9 [2018-10-27 05:13:23,190 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:13:23,203 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:13:23,206 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:13:23,207 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:13:23,208 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:13:23,208 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dc59ab7e-e30d-4bcd-971e-6c8702bbc1c7/bin-2019/utaipan/../../sv-benchmarks/c/pthread/stack_longest_true-unreach-call.i [2018-10-27 05:13:23,252 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dc59ab7e-e30d-4bcd-971e-6c8702bbc1c7/bin-2019/utaipan/data/b22665cc2/3597bc948b544f5eb4e6fa0f3666f9a5/FLAG6197fcbc4 [2018-10-27 05:13:23,718 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:13:23,721 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dc59ab7e-e30d-4bcd-971e-6c8702bbc1c7/sv-benchmarks/c/pthread/stack_longest_true-unreach-call.i [2018-10-27 05:13:23,736 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dc59ab7e-e30d-4bcd-971e-6c8702bbc1c7/bin-2019/utaipan/data/b22665cc2/3597bc948b544f5eb4e6fa0f3666f9a5/FLAG6197fcbc4 [2018-10-27 05:13:23,755 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dc59ab7e-e30d-4bcd-971e-6c8702bbc1c7/bin-2019/utaipan/data/b22665cc2/3597bc948b544f5eb4e6fa0f3666f9a5 [2018-10-27 05:13:23,760 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:13:23,763 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:13:23,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:13:23,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:13:23,769 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:13:23,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:13:23" (1/1) ... [2018-10-27 05:13:23,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c9aa741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:23, skipping insertion in model container [2018-10-27 05:13:23,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:13:23" (1/1) ... [2018-10-27 05:13:23,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:13:23,835 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:13:24,356 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:13:24,440 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:13:24,490 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:13:24,734 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:13:24,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:24 WrapperNode [2018-10-27 05:13:24,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:13:24,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:13:24,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:13:24,736 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:13:24,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:24" (1/1) ... [2018-10-27 05:13:24,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:24" (1/1) ... [2018-10-27 05:13:25,014 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:13:25,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:13:25,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:13:25,015 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:13:25,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:24" (1/1) ... [2018-10-27 05:13:25,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:24" (1/1) ... [2018-10-27 05:13:25,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:24" (1/1) ... [2018-10-27 05:13:25,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:24" (1/1) ... [2018-10-27 05:13:25,158 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:24" (1/1) ... [2018-10-27 05:13:25,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:24" (1/1) ... [2018-10-27 05:13:25,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:24" (1/1) ... [2018-10-27 05:13:25,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:13:25,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:13:25,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:13:25,215 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:13:25,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc59ab7e-e30d-4bcd-971e-6c8702bbc1c7/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 05:13:25,275 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2018-10-27 05:13:25,276 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2018-10-27 05:13:25,276 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2018-10-27 05:13:25,276 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2018-10-27 05:13:25,276 INFO L130 BoogieDeclarations]: Found specification of procedure pop [2018-10-27 05:13:25,276 INFO L138 BoogieDeclarations]: Found implementation of procedure pop [2018-10-27 05:13:25,276 INFO L130 BoogieDeclarations]: Found specification of procedure dec_top [2018-10-27 05:13:25,276 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_top [2018-10-27 05:13:25,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:13:25,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:13:25,279 INFO L130 BoogieDeclarations]: Found specification of procedure inc_top [2018-10-27 05:13:25,281 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_top [2018-10-27 05:13:25,281 INFO L130 BoogieDeclarations]: Found specification of procedure push [2018-10-27 05:13:25,281 INFO L138 BoogieDeclarations]: Found implementation of procedure push [2018-10-27 05:13:25,281 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2018-10-27 05:13:25,281 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2018-10-27 05:13:25,281 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:13:25,281 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:13:25,282 INFO L130 BoogieDeclarations]: Found specification of procedure error [2018-10-27 05:13:25,282 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2018-10-27 05:13:25,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:13:25,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:13:25,284 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-10-27 05:13:35,191 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:13:35,280 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:35,281 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:35,281 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:35,281 WARN L317 ript$VariableManager]: TermVariabe |Thread0_t1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:35,282 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException at de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:89) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 05:13:35,285 INFO L168 Benchmark]: Toolchain (without parser) took 11522.67 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 351.8 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -149.1 MB). Peak memory consumption was 386.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:13:35,286 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:13:35,286 INFO L168 Benchmark]: CACSL2BoogieTranslator took 971.26 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 872.7 MB in the end (delta: 76.5 MB). Peak memory consumption was 76.5 MB. Max. memory is 11.5 GB. [2018-10-27 05:13:35,287 INFO L168 Benchmark]: Boogie Procedure Inliner took 279.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 872.7 MB in the beginning and 1.1 GB in the end (delta: -257.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2018-10-27 05:13:35,287 INFO L168 Benchmark]: Boogie Preprocessor took 199.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2018-10-27 05:13:35,288 INFO L168 Benchmark]: RCFGBuilder took 10069.45 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 192.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.3 MB). Peak memory consumption was 386.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:13:35,293 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 971.26 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 872.7 MB in the end (delta: 76.5 MB). Peak memory consumption was 76.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 279.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 872.7 MB in the beginning and 1.1 GB in the end (delta: -257.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 199.37 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: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 10069.45 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 192.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.3 MB). Peak memory consumption was 386.7 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...