./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-wmm/safe034_rmo.opt_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_18c21182-1832-4717-a5e2-8ca2a29e7bda/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_18c21182-1832-4717-a5e2-8ca2a29e7bda/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_18c21182-1832-4717-a5e2-8ca2a29e7bda/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_18c21182-1832-4717-a5e2-8ca2a29e7bda/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe034_rmo.opt_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_18c21182-1832-4717-a5e2-8ca2a29e7bda/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_18c21182-1832-4717-a5e2-8ca2a29e7bda/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 3c174110201cfa89cc0022a88f5e9b52ad5d8c7a ....................................................................................................................................................................................................... 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_18c21182-1832-4717-a5e2-8ca2a29e7bda/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_18c21182-1832-4717-a5e2-8ca2a29e7bda/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_18c21182-1832-4717-a5e2-8ca2a29e7bda/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_18c21182-1832-4717-a5e2-8ca2a29e7bda/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe034_rmo.opt_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_18c21182-1832-4717-a5e2-8ca2a29e7bda/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_18c21182-1832-4717-a5e2-8ca2a29e7bda/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 3c174110201cfa89cc0022a88f5e9b52ad5d8c7a ..................................................................................................................................................................................................... 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 05:12:54,940 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:12:54,942 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:12:54,951 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:12:54,952 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:12:54,953 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:12:54,954 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:12:54,956 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:12:54,957 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:12:54,958 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:12:54,959 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:12:54,959 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:12:54,960 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:12:54,961 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:12:54,962 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:12:54,963 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:12:54,963 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:12:54,965 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:12:54,967 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:12:54,968 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:12:54,969 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:12:54,970 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:12:54,972 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:12:54,972 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:12:54,972 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:12:54,974 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:12:54,975 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:12:54,975 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:12:54,976 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:12:54,977 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:12:54,977 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:12:54,978 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:12:54,978 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:12:54,979 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:12:54,979 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:12:54,980 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:12:54,980 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_18c21182-1832-4717-a5e2-8ca2a29e7bda/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-27 05:12:54,992 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:12:54,992 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:12:54,993 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:12:54,994 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:12:54,994 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:12:54,994 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:12:54,994 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 05:12:54,994 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:12:54,994 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 05:12:54,994 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 05:12:54,995 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:12:54,995 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:12:54,995 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:12:54,996 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:12:54,996 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:12:54,996 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:12:54,996 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:12:54,996 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:12:54,996 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:12:54,996 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:12:54,997 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:12:54,997 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:12:54,997 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:12:54,997 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:12:54,997 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:12:54,999 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:12:55,000 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:12:55,000 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:12:55,000 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:12:55,000 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:12:55,000 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 05:12:55,000 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:12:55,000 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:12:55,001 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 05:12:55,001 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_18c21182-1832-4717-a5e2-8ca2a29e7bda/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 -> 3c174110201cfa89cc0022a88f5e9b52ad5d8c7a [2018-10-27 05:12:55,030 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:12:55,041 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:12:55,044 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:12:55,045 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:12:55,046 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:12:55,046 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_18c21182-1832-4717-a5e2-8ca2a29e7bda/bin-2019/utaipan/../../sv-benchmarks/c/pthread-wmm/safe034_rmo.opt_false-unreach-call.i [2018-10-27 05:12:55,093 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_18c21182-1832-4717-a5e2-8ca2a29e7bda/bin-2019/utaipan/data/e4af9a82c/9fd9cd0d9e494472861f0d929e8a7ce0/FLAGc675f4153 [2018-10-27 05:12:55,555 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:12:55,560 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_18c21182-1832-4717-a5e2-8ca2a29e7bda/sv-benchmarks/c/pthread-wmm/safe034_rmo.opt_false-unreach-call.i [2018-10-27 05:12:55,576 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_18c21182-1832-4717-a5e2-8ca2a29e7bda/bin-2019/utaipan/data/e4af9a82c/9fd9cd0d9e494472861f0d929e8a7ce0/FLAGc675f4153 [2018-10-27 05:12:55,588 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_18c21182-1832-4717-a5e2-8ca2a29e7bda/bin-2019/utaipan/data/e4af9a82c/9fd9cd0d9e494472861f0d929e8a7ce0 [2018-10-27 05:12:55,591 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:12:55,593 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:12:55,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:55,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:12:55,598 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:12:55,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:55" (1/1) ... [2018-10-27 05:12:55,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6934edcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:55, skipping insertion in model container [2018-10-27 05:12:55,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:12:55" (1/1) ... [2018-10-27 05:12:55,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:12:55,655 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:12:56,070 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:56,075 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:12:56,163 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:12:56,219 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:12:56,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:56 WrapperNode [2018-10-27 05:12:56,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:12:56,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:12:56,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:12:56,221 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:12:56,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:56" (1/1) ... [2018-10-27 05:12:56,320 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:56" (1/1) ... [2018-10-27 05:12:56,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:12:56,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:12:56,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:12:56,351 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:12:56,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:56" (1/1) ... [2018-10-27 05:12:56,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:56" (1/1) ... [2018-10-27 05:12:56,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:56" (1/1) ... [2018-10-27 05:12:56,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:56" (1/1) ... [2018-10-27 05:12:56,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:56" (1/1) ... [2018-10-27 05:12:56,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:56" (1/1) ... [2018-10-27 05:12:56,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:56" (1/1) ... [2018-10-27 05:12:56,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:12:56,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:12:56,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:12:56,383 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:12:56,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:12:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_18c21182-1832-4717-a5e2-8ca2a29e7bda/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 05:12:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-27 05:12:56,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-27 05:12:56,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:12:56,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:12:56,447 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:12:56,447 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:12:56,447 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-10-27 05:12:56,447 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-10-27 05:12:56,447 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-10-27 05:12:56,448 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-10-27 05:12:56,448 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2018-10-27 05:12:56,448 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2018-10-27 05:12:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:12:56,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:12:56,450 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 05:12:57,651 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:12:57,699 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:57,701 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:57,702 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:57,702 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:57,703 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:57,703 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:57,710 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:57,713 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:57,714 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:57,714 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:12:57,715 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 05:12:57,722 INFO L168 Benchmark]: Toolchain (without parser) took 2130.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 951.8 MB in the beginning and 1.1 GB in the end (delta: -144.9 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:57,725 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:12:57,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.03 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 919.6 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:57,727 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 919.6 MB in the beginning and 1.2 GB in the end (delta: -249.7 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:57,728 INFO L168 Benchmark]: Boogie Preprocessor took 31.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:57,730 INFO L168 Benchmark]: RCFGBuilder took 1339.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 69.2 MB). Peak memory consumption was 69.2 MB. Max. memory is 11.5 GB. [2018-10-27 05:12:57,733 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 626.03 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 919.6 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 130.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 919.6 MB in the beginning and 1.2 GB in the end (delta: -249.7 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.00 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1339.12 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: 69.2 MB). Peak memory consumption was 69.2 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 05:12:59,711 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:12:59,713 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:12:59,722 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:12:59,722 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:12:59,723 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:12:59,725 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:12:59,726 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:12:59,727 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:12:59,728 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:12:59,728 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:12:59,729 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:12:59,730 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:12:59,731 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:12:59,731 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:12:59,732 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:12:59,733 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:12:59,734 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:12:59,736 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:12:59,737 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:12:59,738 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:12:59,739 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:12:59,741 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:12:59,741 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:12:59,745 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:12:59,746 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:12:59,747 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:12:59,747 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:12:59,748 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:12:59,749 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:12:59,749 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:12:59,752 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:12:59,752 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:12:59,752 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:12:59,753 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:12:59,753 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:12:59,754 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_18c21182-1832-4717-a5e2-8ca2a29e7bda/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-27 05:12:59,765 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:12:59,765 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:12:59,766 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:12:59,766 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:12:59,766 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:12:59,766 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:12:59,766 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:12:59,766 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:12:59,767 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:12:59,767 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:12:59,767 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:12:59,767 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:12:59,767 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:12:59,768 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:12:59,768 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:12:59,768 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-27 05:12:59,768 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-27 05:12:59,768 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:12:59,768 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:12:59,768 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:12:59,769 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:12:59,769 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:12:59,769 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:12:59,769 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:12:59,771 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:12:59,771 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:12:59,772 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:12:59,772 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:12:59,772 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-27 05:12:59,772 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:12:59,772 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-27 05:12:59,772 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-27 05:12:59,772 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_18c21182-1832-4717-a5e2-8ca2a29e7bda/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 -> 3c174110201cfa89cc0022a88f5e9b52ad5d8c7a [2018-10-27 05:12:59,807 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:12:59,817 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:12:59,820 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:12:59,822 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:12:59,822 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:12:59,823 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_18c21182-1832-4717-a5e2-8ca2a29e7bda/bin-2019/utaipan/../../sv-benchmarks/c/pthread-wmm/safe034_rmo.opt_false-unreach-call.i [2018-10-27 05:12:59,871 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_18c21182-1832-4717-a5e2-8ca2a29e7bda/bin-2019/utaipan/data/194b635ed/12c45b8e97604811b47688ace96cb9dc/FLAG8642dab69 [2018-10-27 05:13:00,319 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:13:00,320 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_18c21182-1832-4717-a5e2-8ca2a29e7bda/sv-benchmarks/c/pthread-wmm/safe034_rmo.opt_false-unreach-call.i [2018-10-27 05:13:00,333 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_18c21182-1832-4717-a5e2-8ca2a29e7bda/bin-2019/utaipan/data/194b635ed/12c45b8e97604811b47688ace96cb9dc/FLAG8642dab69 [2018-10-27 05:13:00,354 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_18c21182-1832-4717-a5e2-8ca2a29e7bda/bin-2019/utaipan/data/194b635ed/12c45b8e97604811b47688ace96cb9dc [2018-10-27 05:13:00,356 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:13:00,357 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:13:00,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:13:00,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:13:00,361 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:13:00,362 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:13:00" (1/1) ... [2018-10-27 05:13:00,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b0224a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:00, skipping insertion in model container [2018-10-27 05:13:00,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:13:00" (1/1) ... [2018-10-27 05:13:00,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:13:00,420 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:13:00,816 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:13:00,827 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:13:00,884 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:13:00,950 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:13:00,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:00 WrapperNode [2018-10-27 05:13:00,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:13:00,951 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:13:00,951 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:13:00,951 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:13:00,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:00" (1/1) ... [2018-10-27 05:13:00,985 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:00" (1/1) ... [2018-10-27 05:13:01,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:13:01,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:13:01,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:13:01,018 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:13:01,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:00" (1/1) ... [2018-10-27 05:13:01,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:00" (1/1) ... [2018-10-27 05:13:01,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:00" (1/1) ... [2018-10-27 05:13:01,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:00" (1/1) ... [2018-10-27 05:13:01,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:00" (1/1) ... [2018-10-27 05:13:01,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:00" (1/1) ... [2018-10-27 05:13:01,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:00" (1/1) ... [2018-10-27 05:13:01,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:13:01,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:13:01,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:13:01,114 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:13:01,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:13:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_18c21182-1832-4717-a5e2-8ca2a29e7bda/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 05:13:01,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-27 05:13:01,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-27 05:13:01,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:13:01,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:13:01,162 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:13:01,162 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:13:01,163 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-10-27 05:13:01,163 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-10-27 05:13:01,163 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-10-27 05:13:01,163 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-10-27 05:13:01,163 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2018-10-27 05:13:01,164 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2018-10-27 05:13:01,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:13:01,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:13:01,165 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 05:13:02,422 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:13:02,463 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:02,464 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:02,464 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:02,464 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:02,465 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:02,466 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:02,468 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:02,468 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:02,469 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:02,469 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:13:02,470 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 05:13:02,473 INFO L168 Benchmark]: Toolchain (without parser) took 2116.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 946.5 MB in the beginning and 1.1 GB in the end (delta: -139.7 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-10-27 05:13:02,474 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:13:02,474 INFO L168 Benchmark]: CACSL2BoogieTranslator took 592.83 ms. Allocated memory is still 1.0 GB. Free memory was 946.5 MB in the beginning and 908.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-10-27 05:13:02,475 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.38 ms. Allocated memory is still 1.0 GB. Free memory was 908.9 MB in the beginning and 903.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 05:13:02,475 INFO L168 Benchmark]: Boogie Preprocessor took 96.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 903.6 MB in the beginning and 1.1 GB in the end (delta: -246.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-10-27 05:13:02,476 INFO L168 Benchmark]: RCFGBuilder took 1358.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 63.6 MB). Peak memory consumption was 63.6 MB. Max. memory is 11.5 GB. [2018-10-27 05:13:02,479 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 592.83 ms. Allocated memory is still 1.0 GB. Free memory was 946.5 MB in the beginning and 908.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.38 ms. Allocated memory is still 1.0 GB. Free memory was 908.9 MB in the beginning and 903.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 96.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 903.6 MB in the beginning and 1.1 GB in the end (delta: -246.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1358.07 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: 63.6 MB). Peak memory consumption was 63.6 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...