./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-wmm/mix031_tso.oepc_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_0da7650f-a667-472d-a4b9-0c8d5b7cd8a0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0da7650f-a667-472d-a4b9-0c8d5b7cd8a0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0da7650f-a667-472d-a4b9-0c8d5b7cd8a0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0da7650f-a667-472d-a4b9-0c8d5b7cd8a0/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix031_tso.oepc_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0da7650f-a667-472d-a4b9-0c8d5b7cd8a0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0da7650f-a667-472d-a4b9-0c8d5b7cd8a0/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 bedc30426f84517809c1aba2f717b94ba4147624 ............................................................................................................................................................................................................ 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_0da7650f-a667-472d-a4b9-0c8d5b7cd8a0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0da7650f-a667-472d-a4b9-0c8d5b7cd8a0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0da7650f-a667-472d-a4b9-0c8d5b7cd8a0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0da7650f-a667-472d-a4b9-0c8d5b7cd8a0/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix031_tso.oepc_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0da7650f-a667-472d-a4b9-0c8d5b7cd8a0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0da7650f-a667-472d-a4b9-0c8d5b7cd8a0/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 bedc30426f84517809c1aba2f717b94ba4147624 ..................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: null --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 08:34:56,563 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 08:34:56,564 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 08:34:56,572 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 08:34:56,572 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 08:34:56,573 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 08:34:56,574 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 08:34:56,575 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 08:34:56,576 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 08:34:56,577 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 08:34:56,577 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 08:34:56,577 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 08:34:56,578 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 08:34:56,579 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 08:34:56,579 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 08:34:56,579 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 08:34:56,580 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 08:34:56,581 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 08:34:56,582 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 08:34:56,583 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 08:34:56,584 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 08:34:56,585 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 08:34:56,586 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 08:34:56,587 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 08:34:56,587 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 08:34:56,588 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 08:34:56,588 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 08:34:56,589 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 08:34:56,589 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 08:34:56,590 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 08:34:56,590 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 08:34:56,591 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 08:34:56,591 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 08:34:56,591 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 08:34:56,592 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 08:34:56,592 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 08:34:56,593 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0da7650f-a667-472d-a4b9-0c8d5b7cd8a0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 08:34:56,603 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 08:34:56,603 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 08:34:56,604 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 08:34:56,604 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 08:34:56,604 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 08:34:56,604 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 08:34:56,604 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 08:34:56,605 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 08:34:56,605 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 08:34:56,605 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 08:34:56,605 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 08:34:56,606 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 08:34:56,606 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 08:34:56,606 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 08:34:56,606 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 08:34:56,606 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 08:34:56,606 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 08:34:56,606 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 08:34:56,606 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 08:34:56,607 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 08:34:56,607 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 08:34:56,607 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 08:34:56,607 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 08:34:56,607 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 08:34:56,607 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 08:34:56,607 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 08:34:56,608 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 08:34:56,608 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 08:34:56,608 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 08:34:56,608 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 08:34:56,608 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 08:34:56,608 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 08:34:56,608 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 08:34:56,609 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 08:34:56,609 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_0da7650f-a667-472d-a4b9-0c8d5b7cd8a0/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 -> bedc30426f84517809c1aba2f717b94ba4147624 [2018-11-10 08:34:56,634 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 08:34:56,643 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 08:34:56,646 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 08:34:56,647 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 08:34:56,648 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 08:34:56,648 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0da7650f-a667-472d-a4b9-0c8d5b7cd8a0/bin-2019/utaipan/../../sv-benchmarks/c/pthread-wmm/mix031_tso.oepc_false-unreach-call.i [2018-11-10 08:34:56,695 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0da7650f-a667-472d-a4b9-0c8d5b7cd8a0/bin-2019/utaipan/data/9ec6f35da/c07de492b6284dca99b4ffc886bc851c/FLAGd31c2b2d6 [2018-11-10 08:34:57,143 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 08:34:57,143 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0da7650f-a667-472d-a4b9-0c8d5b7cd8a0/sv-benchmarks/c/pthread-wmm/mix031_tso.oepc_false-unreach-call.i [2018-11-10 08:34:57,153 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0da7650f-a667-472d-a4b9-0c8d5b7cd8a0/bin-2019/utaipan/data/9ec6f35da/c07de492b6284dca99b4ffc886bc851c/FLAGd31c2b2d6 [2018-11-10 08:34:57,164 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0da7650f-a667-472d-a4b9-0c8d5b7cd8a0/bin-2019/utaipan/data/9ec6f35da/c07de492b6284dca99b4ffc886bc851c [2018-11-10 08:34:57,167 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 08:34:57,168 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 08:34:57,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 08:34:57,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 08:34:57,172 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 08:34:57,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:34:57" (1/1) ... [2018-11-10 08:34:57,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@506d5a81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:57, skipping insertion in model container [2018-11-10 08:34:57,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:34:57" (1/1) ... [2018-11-10 08:34:57,183 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 08:34:57,219 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 08:34:57,465 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:34:57,468 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 08:34:57,511 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:34:57,550 INFO L193 MainTranslator]: Completed translation [2018-11-10 08:34:57,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:57 WrapperNode [2018-11-10 08:34:57,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 08:34:57,551 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 08:34:57,551 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 08:34:57,551 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 08:34:57,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:57" (1/1) ... [2018-11-10 08:34:57,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:57" (1/1) ... [2018-11-10 08:34:57,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 08:34:57,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 08:34:57,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 08:34:57,632 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 08:34:57,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:57" (1/1) ... [2018-11-10 08:34:57,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:57" (1/1) ... [2018-11-10 08:34:57,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:57" (1/1) ... [2018-11-10 08:34:57,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:57" (1/1) ... [2018-11-10 08:34:57,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:57" (1/1) ... [2018-11-10 08:34:57,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:57" (1/1) ... [2018-11-10 08:34:57,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:57" (1/1) ... [2018-11-10 08:34:57,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 08:34:57,656 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 08:34:57,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 08:34:57,656 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 08:34:57,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:34:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0da7650f-a667-472d-a4b9-0c8d5b7cd8a0/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 08:34:57,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 08:34:57,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 08:34:57,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 08:34:57,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 08:34:57,693 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 08:34:57,693 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 08:34:57,693 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-11-10 08:34:57,694 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-11-10 08:34:57,694 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-11-10 08:34:57,694 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-11-10 08:34:57,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 08:34:57,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 08:34:57,695 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-10 08:34:58,176 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 08:34:58,205 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 08:34:58,205 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 08:34:58,206 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException at de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:89) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 08:34:58,208 INFO L168 Benchmark]: Toolchain (without parser) took 1041.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -110.0 MB). Peak memory consumption was 39.4 MB. Max. memory is 11.5 GB. [2018-11-10 08:34:58,209 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 08:34:58,210 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.15 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 917.3 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-11-10 08:34:58,210 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 917.3 MB in the beginning and 1.1 GB in the end (delta: -225.8 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. [2018-11-10 08:34:58,211 INFO L168 Benchmark]: Boogie Preprocessor took 24.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-10 08:34:58,211 INFO L168 Benchmark]: RCFGBuilder took 551.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 72.2 MB). Peak memory consumption was 72.2 MB. Max. memory is 11.5 GB. [2018-11-10 08:34:58,214 INFO L336 ainManager$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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 382.15 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 917.3 MB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 917.3 MB in the beginning and 1.1 GB in the end (delta: -225.8 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 551.67 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: 72.2 MB). Peak memory consumption was 72.2 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 [2018-11-10 08:34:59,659 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 08:34:59,660 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 08:34:59,667 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 08:34:59,667 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 08:34:59,668 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 08:34:59,669 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 08:34:59,670 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 08:34:59,671 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 08:34:59,671 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 08:34:59,672 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 08:34:59,672 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 08:34:59,673 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 08:34:59,674 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 08:34:59,674 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 08:34:59,675 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 08:34:59,675 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 08:34:59,677 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 08:34:59,678 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 08:34:59,679 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 08:34:59,680 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 08:34:59,681 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 08:34:59,682 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 08:34:59,682 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 08:34:59,683 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 08:34:59,683 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 08:34:59,684 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 08:34:59,684 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 08:34:59,685 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 08:34:59,686 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 08:34:59,686 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 08:34:59,686 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 08:34:59,687 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 08:34:59,687 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 08:34:59,687 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 08:34:59,688 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 08:34:59,688 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0da7650f-a667-472d-a4b9-0c8d5b7cd8a0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 08:34:59,698 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 08:34:59,698 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 08:34:59,699 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 08:34:59,699 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 08:34:59,699 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 08:34:59,699 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 08:34:59,700 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 08:34:59,700 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 08:34:59,700 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 08:34:59,700 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 08:34:59,700 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 08:34:59,701 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 08:34:59,701 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 08:34:59,701 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 08:34:59,701 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 08:34:59,701 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 08:34:59,701 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 08:34:59,701 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 08:34:59,701 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 08:34:59,701 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 08:34:59,702 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 08:34:59,702 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 08:34:59,702 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 08:34:59,702 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 08:34:59,702 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 08:34:59,702 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 08:34:59,702 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 08:34:59,702 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 08:34:59,702 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 08:34:59,702 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 08:34:59,702 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 08:34:59,703 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 08:34:59,703 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_0da7650f-a667-472d-a4b9-0c8d5b7cd8a0/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 -> bedc30426f84517809c1aba2f717b94ba4147624 [2018-11-10 08:34:59,730 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 08:34:59,738 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 08:34:59,740 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 08:34:59,741 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 08:34:59,742 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 08:34:59,742 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0da7650f-a667-472d-a4b9-0c8d5b7cd8a0/bin-2019/utaipan/../../sv-benchmarks/c/pthread-wmm/mix031_tso.oepc_false-unreach-call.i [2018-11-10 08:34:59,777 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0da7650f-a667-472d-a4b9-0c8d5b7cd8a0/bin-2019/utaipan/data/b082eeec2/a9f201bafb834c848f9f4b3799ac0136/FLAG3810a1892 [2018-11-10 08:35:00,211 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 08:35:00,211 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0da7650f-a667-472d-a4b9-0c8d5b7cd8a0/sv-benchmarks/c/pthread-wmm/mix031_tso.oepc_false-unreach-call.i [2018-11-10 08:35:00,221 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0da7650f-a667-472d-a4b9-0c8d5b7cd8a0/bin-2019/utaipan/data/b082eeec2/a9f201bafb834c848f9f4b3799ac0136/FLAG3810a1892 [2018-11-10 08:35:00,231 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0da7650f-a667-472d-a4b9-0c8d5b7cd8a0/bin-2019/utaipan/data/b082eeec2/a9f201bafb834c848f9f4b3799ac0136 [2018-11-10 08:35:00,234 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 08:35:00,235 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 08:35:00,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 08:35:00,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 08:35:00,237 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 08:35:00,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:35:00" (1/1) ... [2018-11-10 08:35:00,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d2f1ba2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:35:00, skipping insertion in model container [2018-11-10 08:35:00,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:35:00" (1/1) ... [2018-11-10 08:35:00,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 08:35:00,277 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 08:35:00,510 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:35:00,516 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 08:35:00,562 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:35:00,600 INFO L193 MainTranslator]: Completed translation [2018-11-10 08:35:00,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:35:00 WrapperNode [2018-11-10 08:35:00,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 08:35:00,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 08:35:00,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 08:35:00,601 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 08:35:00,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:35:00" (1/1) ... [2018-11-10 08:35:00,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:35:00" (1/1) ... [2018-11-10 08:35:00,680 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 08:35:00,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 08:35:00,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 08:35:00,681 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 08:35:00,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:35:00" (1/1) ... [2018-11-10 08:35:00,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:35:00" (1/1) ... [2018-11-10 08:35:00,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:35:00" (1/1) ... [2018-11-10 08:35:00,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:35:00" (1/1) ... [2018-11-10 08:35:00,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:35:00" (1/1) ... [2018-11-10 08:35:00,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:35:00" (1/1) ... [2018-11-10 08:35:00,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:35:00" (1/1) ... [2018-11-10 08:35:00,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 08:35:00,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 08:35:00,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 08:35:00,703 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 08:35:00,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:35:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0da7650f-a667-472d-a4b9-0c8d5b7cd8a0/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 08:35:00,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 08:35:00,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 08:35:00,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 08:35:00,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 08:35:00,736 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 08:35:00,736 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 08:35:00,736 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-11-10 08:35:00,737 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-11-10 08:35:00,737 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-11-10 08:35:00,737 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-11-10 08:35:00,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 08:35:00,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 08:35:00,738 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-10 08:35:01,287 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 08:35:01,313 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 08:35:01,313 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 08:35:01,314 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException at de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:89) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 08:35:01,317 INFO L168 Benchmark]: Toolchain (without parser) took 1082.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 945.5 MB in the beginning and 1.0 GB in the end (delta: -102.6 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-11-10 08:35:01,318 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 08:35:01,318 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.82 ms. Allocated memory is still 1.0 GB. Free memory was 945.5 MB in the beginning and 907.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-10 08:35:01,318 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 907.9 MB in the beginning and 1.1 GB in the end (delta: -208.5 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-10 08:35:01,319 INFO L168 Benchmark]: Boogie Preprocessor took 22.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 08:35:01,319 INFO L168 Benchmark]: RCFGBuilder took 612.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.4 MB). Peak memory consumption was 68.4 MB. Max. memory is 11.5 GB. [2018-11-10 08:35:01,321 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 365.82 ms. Allocated memory is still 1.0 GB. Free memory was 945.5 MB in the beginning and 907.9 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 79.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 907.9 MB in the beginning and 1.1 GB in the end (delta: -208.5 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 612.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.4 MB). Peak memory consumption was 68.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: null de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: null: de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...