./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-ext/23_lu-fig2.fixed_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7e9a89a4-8398-4f22-a2b4-3d9cc2b59758/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7e9a89a4-8398-4f22-a2b4-3d9cc2b59758/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7e9a89a4-8398-4f22-a2b4-3d9cc2b59758/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7e9a89a4-8398-4f22-a2b4-3d9cc2b59758/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/23_lu-fig2.fixed_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7e9a89a4-8398-4f22-a2b4-3d9cc2b59758/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7e9a89a4-8398-4f22-a2b4-3d9cc2b59758/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 c6971f68ca2d8b8fdb5ebff955684e0cec20740c ........................................................................................................................................................................................................... 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_7e9a89a4-8398-4f22-a2b4-3d9cc2b59758/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7e9a89a4-8398-4f22-a2b4-3d9cc2b59758/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7e9a89a4-8398-4f22-a2b4-3d9cc2b59758/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7e9a89a4-8398-4f22-a2b4-3d9cc2b59758/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/23_lu-fig2.fixed_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7e9a89a4-8398-4f22-a2b4-3d9cc2b59758/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7e9a89a4-8398-4f22-a2b4-3d9cc2b59758/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 c6971f68ca2d8b8fdb5ebff955684e0cec20740c ........................................................................................................................................................................................................... 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 12:02:58,278 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:02:58,279 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:02:58,286 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:02:58,286 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:02:58,287 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:02:58,287 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:02:58,288 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:02:58,289 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:02:58,290 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:02:58,291 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:02:58,291 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:02:58,292 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:02:58,292 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:02:58,293 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:02:58,294 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:02:58,294 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:02:58,295 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:02:58,296 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:02:58,298 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:02:58,298 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:02:58,299 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:02:58,301 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:02:58,301 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:02:58,301 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:02:58,301 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:02:58,302 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:02:58,303 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:02:58,303 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:02:58,304 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:02:58,304 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:02:58,305 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:02:58,305 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:02:58,305 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:02:58,306 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:02:58,306 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:02:58,306 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7e9a89a4-8398-4f22-a2b4-3d9cc2b59758/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 12:02:58,316 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:02:58,316 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:02:58,317 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:02:58,317 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 12:02:58,317 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 12:02:58,317 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 12:02:58,317 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 12:02:58,317 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 12:02:58,317 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 12:02:58,317 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 12:02:58,318 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 12:02:58,318 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:02:58,318 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:02:58,318 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:02:58,319 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:02:58,319 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:02:58,319 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:02:58,319 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:02:58,319 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:02:58,319 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:02:58,319 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:02:58,320 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:02:58,320 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:02:58,320 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 12:02:58,320 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:02:58,320 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 12:02:58,320 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 12:02:58,320 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:02:58,320 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:02:58,321 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:02:58,321 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 12:02:58,321 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:02:58,321 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:02:58,321 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 12:02:58,321 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_7e9a89a4-8398-4f22-a2b4-3d9cc2b59758/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 -> c6971f68ca2d8b8fdb5ebff955684e0cec20740c [2018-11-10 12:02:58,343 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:02:58,352 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:02:58,354 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:02:58,355 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:02:58,355 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:02:58,356 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7e9a89a4-8398-4f22-a2b4-3d9cc2b59758/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/23_lu-fig2.fixed_true-unreach-call.i [2018-11-10 12:02:58,391 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7e9a89a4-8398-4f22-a2b4-3d9cc2b59758/bin-2019/utaipan/data/8ac2fd303/0df9eba01efe4f0cbd42f6d685cee7a8/FLAG3198fbbc5 [2018-11-10 12:02:58,826 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:02:58,826 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7e9a89a4-8398-4f22-a2b4-3d9cc2b59758/sv-benchmarks/c/pthread-ext/23_lu-fig2.fixed_true-unreach-call.i [2018-11-10 12:02:58,837 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7e9a89a4-8398-4f22-a2b4-3d9cc2b59758/bin-2019/utaipan/data/8ac2fd303/0df9eba01efe4f0cbd42f6d685cee7a8/FLAG3198fbbc5 [2018-11-10 12:02:58,849 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7e9a89a4-8398-4f22-a2b4-3d9cc2b59758/bin-2019/utaipan/data/8ac2fd303/0df9eba01efe4f0cbd42f6d685cee7a8 [2018-11-10 12:02:58,851 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:02:58,852 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:02:58,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:02:58,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:02:58,856 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:02:58,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:02:58" (1/1) ... [2018-11-10 12:02:58,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1180c501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:02:58, skipping insertion in model container [2018-11-10 12:02:58,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:02:58" (1/1) ... [2018-11-10 12:02:58,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:02:58,896 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:02:59,088 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:02:59,090 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:02:59,123 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:02:59,167 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:02:59,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:02:59 WrapperNode [2018-11-10 12:02:59,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:02:59,168 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:02:59,168 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:02:59,168 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:02:59,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:02:59" (1/1) ... [2018-11-10 12:02:59,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:02:59" (1/1) ... [2018-11-10 12:02:59,246 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:02:59,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:02:59,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:02:59,246 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:02:59,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:02:59" (1/1) ... [2018-11-10 12:02:59,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:02:59" (1/1) ... [2018-11-10 12:02:59,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:02:59" (1/1) ... [2018-11-10 12:02:59,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:02:59" (1/1) ... [2018-11-10 12:02:59,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:02:59" (1/1) ... [2018-11-10 12:02:59,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:02:59" (1/1) ... [2018-11-10 12:02:59,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:02:59" (1/1) ... [2018-11-10 12:02:59,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:02:59,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:02:59,265 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:02:59,266 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:02:59,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:02:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7e9a89a4-8398-4f22-a2b4-3d9cc2b59758/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 12:02:59,308 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-11-10 12:02:59,308 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-11-10 12:02:59,308 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-10 12:02:59,308 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-10 12:02:59,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2018-11-10 12:02:59,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2018-11-10 12:02:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 12:02:59,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 12:02:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 12:02:59,309 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 12:02:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_thr1 [2018-11-10 12:02:59,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_thr1 [2018-11-10 12:02:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_thr2 [2018-11-10 12:02:59,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_thr2 [2018-11-10 12:02:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2018-11-10 12:02:59,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2018-11-10 12:02:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:02:59,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:02:59,310 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 12:02:59,488 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:02:59,504 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:02:59,504 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:02:59,505 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 12:02:59,507 INFO L168 Benchmark]: Toolchain (without parser) took 655.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -172.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:02:59,509 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:02:59,509 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.54 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 924.3 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-10 12:02:59,510 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 924.3 MB in the beginning and 1.2 GB in the end (delta: -232.7 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-11-10 12:02:59,510 INFO L168 Benchmark]: Boogie Preprocessor took 18.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:02:59,511 INFO L168 Benchmark]: RCFGBuilder took 241.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. [2018-11-10 12:02:59,515 INFO L336 ainManager$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 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 314.54 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 924.3 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 924.3 MB in the beginning and 1.2 GB in the end (delta: -232.7 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 241.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 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 12:03:00,930 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:03:00,931 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:03:00,940 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:03:00,940 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:03:00,941 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:03:00,942 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:03:00,943 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:03:00,944 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:03:00,944 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:03:00,945 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:03:00,945 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:03:00,946 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:03:00,946 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:03:00,947 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:03:00,947 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:03:00,949 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:03:00,950 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:03:00,951 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:03:00,952 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:03:00,953 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:03:00,954 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:03:00,955 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:03:00,956 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:03:00,956 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:03:00,956 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:03:00,957 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:03:00,957 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:03:00,958 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:03:00,959 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:03:00,959 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:03:00,959 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:03:00,959 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:03:00,960 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:03:00,960 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:03:00,961 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:03:00,961 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7e9a89a4-8398-4f22-a2b4-3d9cc2b59758/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 12:03:00,971 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:03:00,971 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:03:00,972 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:03:00,972 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 12:03:00,972 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 12:03:00,972 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 12:03:00,972 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 12:03:00,972 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 12:03:00,973 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:03:00,973 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:03:00,973 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:03:00,973 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:03:00,973 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:03:00,973 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:03:00,973 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:03:00,974 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 12:03:00,974 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 12:03:00,974 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:03:00,974 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:03:00,974 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:03:00,974 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:03:00,974 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 12:03:00,975 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:03:00,975 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 12:03:00,975 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 12:03:00,975 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:03:00,975 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:03:00,975 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:03:00,975 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 12:03:00,976 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:03:00,976 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 12:03:00,976 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 12:03:00,976 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_7e9a89a4-8398-4f22-a2b4-3d9cc2b59758/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 -> c6971f68ca2d8b8fdb5ebff955684e0cec20740c [2018-11-10 12:03:01,005 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:03:01,014 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:03:01,017 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:03:01,018 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:03:01,018 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:03:01,019 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7e9a89a4-8398-4f22-a2b4-3d9cc2b59758/bin-2019/utaipan/../../sv-benchmarks/c/pthread-ext/23_lu-fig2.fixed_true-unreach-call.i [2018-11-10 12:03:01,062 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7e9a89a4-8398-4f22-a2b4-3d9cc2b59758/bin-2019/utaipan/data/20b75b96b/97e1aa4b56b34b3a96b74bdb4dbab420/FLAG8bba8522e [2018-11-10 12:03:01,399 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:03:01,399 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7e9a89a4-8398-4f22-a2b4-3d9cc2b59758/sv-benchmarks/c/pthread-ext/23_lu-fig2.fixed_true-unreach-call.i [2018-11-10 12:03:01,408 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7e9a89a4-8398-4f22-a2b4-3d9cc2b59758/bin-2019/utaipan/data/20b75b96b/97e1aa4b56b34b3a96b74bdb4dbab420/FLAG8bba8522e [2018-11-10 12:03:01,416 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7e9a89a4-8398-4f22-a2b4-3d9cc2b59758/bin-2019/utaipan/data/20b75b96b/97e1aa4b56b34b3a96b74bdb4dbab420 [2018-11-10 12:03:01,418 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:03:01,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:03:01,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:03:01,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:03:01,422 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:03:01,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:03:01" (1/1) ... [2018-11-10 12:03:01,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d9ecce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:03:01, skipping insertion in model container [2018-11-10 12:03:01,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:03:01" (1/1) ... [2018-11-10 12:03:01,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:03:01,458 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:03:01,669 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:03:01,672 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:03:01,702 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:03:01,741 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:03:01,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:03:01 WrapperNode [2018-11-10 12:03:01,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:03:01,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:03:01,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:03:01,742 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:03:01,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:03:01" (1/1) ... [2018-11-10 12:03:01,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:03:01" (1/1) ... [2018-11-10 12:03:01,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:03:01,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:03:01,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:03:01,773 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:03:01,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:03:01" (1/1) ... [2018-11-10 12:03:01,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:03:01" (1/1) ... [2018-11-10 12:03:01,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:03:01" (1/1) ... [2018-11-10 12:03:01,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:03:01" (1/1) ... [2018-11-10 12:03:01,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:03:01" (1/1) ... [2018-11-10 12:03:01,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:03:01" (1/1) ... [2018-11-10 12:03:01,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:03:01" (1/1) ... [2018-11-10 12:03:01,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:03:01,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:03:01,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:03:01,833 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:03:01,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:03:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7e9a89a4-8398-4f22-a2b4-3d9cc2b59758/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 12:03:01,865 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2018-11-10 12:03:01,866 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2018-11-10 12:03:01,866 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2018-11-10 12:03:01,866 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2018-11-10 12:03:01,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2018-11-10 12:03:01,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2018-11-10 12:03:01,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 12:03:01,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 12:03:01,866 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 12:03:01,866 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 12:03:01,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_thr1 [2018-11-10 12:03:01,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_thr1 [2018-11-10 12:03:01,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_thr2 [2018-11-10 12:03:01,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_thr2 [2018-11-10 12:03:01,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2018-11-10 12:03:01,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2018-11-10 12:03:01,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:03:01,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:03:01,868 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 12:03:02,081 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:03:02,096 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:03:02,096 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thr1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:03:02,096 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 12:03:02,099 INFO L168 Benchmark]: Toolchain (without parser) took 679.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -160.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:03:02,100 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:03:02,100 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.81 ms. Allocated memory is still 1.0 GB. Free memory was 945.2 MB in the beginning and 913.0 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-10 12:03:02,100 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.46 ms. Allocated memory is still 1.0 GB. Free memory is still 913.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:03:02,101 INFO L168 Benchmark]: Boogie Preprocessor took 59.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 913.0 MB in the beginning and 1.1 GB in the end (delta: -219.1 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-11-10 12:03:02,101 INFO L168 Benchmark]: RCFGBuilder took 265.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2018-11-10 12:03:02,103 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 321.81 ms. Allocated memory is still 1.0 GB. Free memory was 945.2 MB in the beginning and 913.0 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.46 ms. Allocated memory is still 1.0 GB. Free memory is still 913.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 913.0 MB in the beginning and 1.1 GB in the end (delta: -219.1 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 265.62 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: 26.2 MB). Peak memory consumption was 26.2 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...