./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-wmm/safe031_pso.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_9cdf7389-b6e3-4a96-af9e-eae5627f0224/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9cdf7389-b6e3-4a96-af9e-eae5627f0224/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9cdf7389-b6e3-4a96-af9e-eae5627f0224/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9cdf7389-b6e3-4a96-af9e-eae5627f0224/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe031_pso.opt_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9cdf7389-b6e3-4a96-af9e-eae5627f0224/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9cdf7389-b6e3-4a96-af9e-eae5627f0224/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 52f250ce523e42d8ac81c9c1780b17f1f4712371 .................................................................................................................................................................................................................... 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_9cdf7389-b6e3-4a96-af9e-eae5627f0224/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9cdf7389-b6e3-4a96-af9e-eae5627f0224/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9cdf7389-b6e3-4a96-af9e-eae5627f0224/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9cdf7389-b6e3-4a96-af9e-eae5627f0224/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe031_pso.opt_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9cdf7389-b6e3-4a96-af9e-eae5627f0224/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9cdf7389-b6e3-4a96-af9e-eae5627f0224/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 52f250ce523e42d8ac81c9c1780b17f1f4712371 .................................................................................................................................................................................................................... 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 12:40:52,253 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:40:52,255 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:40:52,264 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:40:52,265 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:40:52,265 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:40:52,266 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:40:52,268 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:40:52,269 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:40:52,270 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:40:52,270 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:40:52,270 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:40:52,271 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:40:52,272 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:40:52,273 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:40:52,273 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:40:52,273 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:40:52,275 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:40:52,276 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:40:52,277 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:40:52,278 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:40:52,279 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:40:52,280 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:40:52,281 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:40:52,281 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:40:52,281 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:40:52,282 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:40:52,283 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:40:52,283 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:40:52,284 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:40:52,284 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:40:52,285 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:40:52,285 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:40:52,285 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:40:52,286 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:40:52,286 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:40:52,287 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9cdf7389-b6e3-4a96-af9e-eae5627f0224/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 12:40:52,297 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:40:52,297 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:40:52,298 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:40:52,298 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 12:40:52,298 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 12:40:52,298 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 12:40:52,299 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 12:40:52,299 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 12:40:52,299 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 12:40:52,299 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 12:40:52,299 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 12:40:52,300 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:40:52,300 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:40:52,300 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:40:52,300 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:40:52,300 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:40:52,300 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:40:52,301 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:40:52,301 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:40:52,301 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:40:52,301 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:40:52,301 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:40:52,301 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:40:52,301 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 12:40:52,301 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:40:52,302 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 12:40:52,302 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 12:40:52,302 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:40:52,302 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:40:52,302 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:40:52,302 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 12:40:52,302 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:40:52,303 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:40:52,303 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 12:40:52,303 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_9cdf7389-b6e3-4a96-af9e-eae5627f0224/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 -> 52f250ce523e42d8ac81c9c1780b17f1f4712371 [2018-11-10 12:40:52,327 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:40:52,337 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:40:52,340 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:40:52,341 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:40:52,342 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:40:52,342 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9cdf7389-b6e3-4a96-af9e-eae5627f0224/bin-2019/utaipan/../../sv-benchmarks/c/pthread-wmm/safe031_pso.opt_false-unreach-call.i [2018-11-10 12:40:52,392 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9cdf7389-b6e3-4a96-af9e-eae5627f0224/bin-2019/utaipan/data/0adb6f231/54dbca287b29415eb94728bc457f3f77/FLAGa88b4f719 [2018-11-10 12:40:52,795 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:40:52,796 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9cdf7389-b6e3-4a96-af9e-eae5627f0224/sv-benchmarks/c/pthread-wmm/safe031_pso.opt_false-unreach-call.i [2018-11-10 12:40:52,804 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9cdf7389-b6e3-4a96-af9e-eae5627f0224/bin-2019/utaipan/data/0adb6f231/54dbca287b29415eb94728bc457f3f77/FLAGa88b4f719 [2018-11-10 12:40:52,813 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9cdf7389-b6e3-4a96-af9e-eae5627f0224/bin-2019/utaipan/data/0adb6f231/54dbca287b29415eb94728bc457f3f77 [2018-11-10 12:40:52,816 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:40:52,817 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:40:52,818 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:40:52,818 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:40:52,821 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:40:52,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:40:52" (1/1) ... [2018-11-10 12:40:52,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b0f78a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:40:52, skipping insertion in model container [2018-11-10 12:40:52,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:40:52" (1/1) ... [2018-11-10 12:40:52,832 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:40:52,868 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:40:53,111 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:40:53,116 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:40:53,167 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:40:53,213 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:40:53,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:40:53 WrapperNode [2018-11-10 12:40:53,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:40:53,215 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:40:53,215 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:40:53,215 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:40:53,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:40:53" (1/1) ... [2018-11-10 12:40:53,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:40:53" (1/1) ... [2018-11-10 12:40:53,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:40:53,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:40:53,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:40:53,330 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:40:53,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:40:53" (1/1) ... [2018-11-10 12:40:53,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:40:53" (1/1) ... [2018-11-10 12:40:53,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:40:53" (1/1) ... [2018-11-10 12:40:53,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:40:53" (1/1) ... [2018-11-10 12:40:53,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:40:53" (1/1) ... [2018-11-10 12:40:53,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:40:53" (1/1) ... [2018-11-10 12:40:53,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:40:53" (1/1) ... [2018-11-10 12:40:53,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:40:53,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:40:53,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:40:53,362 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:40:53,363 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:40:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9cdf7389-b6e3-4a96-af9e-eae5627f0224/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 12:40:53,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 12:40:53,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 12:40:53,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 12:40:53,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 12:40:53,411 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 12:40:53,411 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 12:40:53,412 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-11-10 12:40:53,412 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-11-10 12:40:53,412 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-11-10 12:40:53,412 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-11-10 12:40:53,412 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2018-11-10 12:40:53,412 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2018-11-10 12:40:53,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:40:53,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:40:53,413 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 12:40:53,946 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:40:53,975 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:40:53,975 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:40:53,975 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:40:53,975 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:40:53,976 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:40:53,976 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:40:53,977 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:40:53,977 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:40:53,979 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:40:53,979 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:40:53,979 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 12:40:53,982 INFO L168 Benchmark]: Toolchain (without parser) took 1165.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 957.5 MB in the beginning and 1.0 GB in the end (delta: -90.9 MB). Peak memory consumption was 46.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:40:53,983 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:40:53,984 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.21 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 917.1 MB in the end (delta: 40.4 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:40:53,984 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 917.1 MB in the beginning and 1.1 GB in the end (delta: -213.3 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. [2018-11-10 12:40:53,984 INFO L168 Benchmark]: Boogie Preprocessor took 31.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:40:53,985 INFO L168 Benchmark]: RCFGBuilder took 619.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 78.6 MB). Peak memory consumption was 78.6 MB. Max. memory is 11.5 GB. [2018-11-10 12:40:53,987 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 396.21 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 917.1 MB in the end (delta: 40.4 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 115.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 917.1 MB in the beginning and 1.1 GB in the end (delta: -213.3 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 619.26 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: 78.6 MB). Peak memory consumption was 78.6 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... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:40:55,434 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:40:55,435 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:40:55,443 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:40:55,443 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:40:55,444 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:40:55,445 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:40:55,446 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:40:55,448 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:40:55,448 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:40:55,449 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:40:55,449 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:40:55,450 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:40:55,451 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:40:55,452 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:40:55,452 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:40:55,453 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:40:55,455 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:40:55,456 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:40:55,457 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:40:55,458 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:40:55,459 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:40:55,461 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:40:55,461 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:40:55,461 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:40:55,462 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:40:55,463 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:40:55,463 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:40:55,464 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:40:55,465 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:40:55,465 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:40:55,465 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:40:55,465 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:40:55,466 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:40:55,466 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:40:55,467 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:40:55,467 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9cdf7389-b6e3-4a96-af9e-eae5627f0224/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 12:40:55,478 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:40:55,479 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:40:55,479 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:40:55,479 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 12:40:55,480 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 12:40:55,480 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 12:40:55,480 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 12:40:55,480 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 12:40:55,481 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:40:55,481 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:40:55,481 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:40:55,481 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:40:55,481 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:40:55,481 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:40:55,481 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:40:55,482 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 12:40:55,482 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 12:40:55,482 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:40:55,482 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:40:55,482 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:40:55,482 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:40:55,482 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 12:40:55,483 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:40:55,483 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 12:40:55,483 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 12:40:55,483 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:40:55,483 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:40:55,483 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:40:55,484 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 12:40:55,484 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:40:55,484 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 12:40:55,484 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 12:40:55,484 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_9cdf7389-b6e3-4a96-af9e-eae5627f0224/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 -> 52f250ce523e42d8ac81c9c1780b17f1f4712371 [2018-11-10 12:40:55,518 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:40:55,527 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:40:55,530 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:40:55,532 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:40:55,532 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:40:55,532 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9cdf7389-b6e3-4a96-af9e-eae5627f0224/bin-2019/utaipan/../../sv-benchmarks/c/pthread-wmm/safe031_pso.opt_false-unreach-call.i [2018-11-10 12:40:55,576 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9cdf7389-b6e3-4a96-af9e-eae5627f0224/bin-2019/utaipan/data/169bb558e/af9048c2f35042fd993fe8c914fbefa4/FLAG8025aa96a [2018-11-10 12:40:55,944 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:40:55,944 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9cdf7389-b6e3-4a96-af9e-eae5627f0224/sv-benchmarks/c/pthread-wmm/safe031_pso.opt_false-unreach-call.i [2018-11-10 12:40:55,956 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9cdf7389-b6e3-4a96-af9e-eae5627f0224/bin-2019/utaipan/data/169bb558e/af9048c2f35042fd993fe8c914fbefa4/FLAG8025aa96a [2018-11-10 12:40:55,965 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9cdf7389-b6e3-4a96-af9e-eae5627f0224/bin-2019/utaipan/data/169bb558e/af9048c2f35042fd993fe8c914fbefa4 [2018-11-10 12:40:55,968 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:40:55,969 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:40:55,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:40:55,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:40:55,972 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:40:55,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:40:55" (1/1) ... [2018-11-10 12:40:55,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c002ded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:40:55, skipping insertion in model container [2018-11-10 12:40:55,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:40:55" (1/1) ... [2018-11-10 12:40:55,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:40:56,012 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:40:56,268 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:40:56,275 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:40:56,332 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:40:56,392 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:40:56,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:40:56 WrapperNode [2018-11-10 12:40:56,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:40:56,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:40:56,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:40:56,393 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:40:56,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:40:56" (1/1) ... [2018-11-10 12:40:56,412 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:40:56" (1/1) ... [2018-11-10 12:40:56,482 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:40:56,483 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:40:56,483 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:40:56,483 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:40:56,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:40:56" (1/1) ... [2018-11-10 12:40:56,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:40:56" (1/1) ... [2018-11-10 12:40:56,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:40:56" (1/1) ... [2018-11-10 12:40:56,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:40:56" (1/1) ... [2018-11-10 12:40:56,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:40:56" (1/1) ... [2018-11-10 12:40:56,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:40:56" (1/1) ... [2018-11-10 12:40:56,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:40:56" (1/1) ... [2018-11-10 12:40:56,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:40:56,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:40:56,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:40:56,512 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:40:56,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:40:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9cdf7389-b6e3-4a96-af9e-eae5627f0224/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 12:40:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 12:40:56,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 12:40:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 12:40:56,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 12:40:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 12:40:56,548 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 12:40:56,548 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-11-10 12:40:56,548 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-11-10 12:40:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-11-10 12:40:56,549 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-11-10 12:40:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2018-11-10 12:40:56,549 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2018-11-10 12:40:56,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:40:56,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:40:56,550 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 12:40:57,128 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:40:57,168 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:40:57,168 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:40:57,169 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:40:57,169 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:40:57,170 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:40:57,170 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:40:57,171 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:40:57,171 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:40:57,172 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:40:57,173 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:40:57,173 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 12:40:57,176 INFO L168 Benchmark]: Toolchain (without parser) took 1207.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 945.2 MB in the beginning and 1.0 GB in the end (delta: -93.0 MB). Peak memory consumption was 42.3 MB. Max. memory is 11.5 GB. [2018-11-10 12:40:57,178 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:40:57,181 INFO L168 Benchmark]: CACSL2BoogieTranslator took 422.78 ms. Allocated memory is still 1.0 GB. Free memory was 945.2 MB in the beginning and 907.6 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-10 12:40:57,182 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 907.6 MB in the beginning and 1.1 GB in the end (delta: -214.6 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:40:57,182 INFO L168 Benchmark]: Boogie Preprocessor took 28.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:40:57,183 INFO L168 Benchmark]: RCFGBuilder took 663.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 84.0 MB). Peak memory consumption was 84.0 MB. Max. memory is 11.5 GB. [2018-11-10 12:40:57,186 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 422.78 ms. Allocated memory is still 1.0 GB. Free memory was 945.2 MB in the beginning and 907.6 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 89.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 907.6 MB in the beginning and 1.1 GB in the end (delta: -214.6 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.82 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 663.91 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: 84.0 MB). Peak memory consumption was 84.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: null de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: null: de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...