./Ultimate.py --spec ../../sv-benchmarks/c/ConcurrencySafety.prp --file ../../sv-benchmarks/c/pthread-atomic/scull_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_f96d70e9-b34e-492a-88c8-5a69ad7bd6a9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f96d70e9-b34e-492a-88c8-5a69ad7bd6a9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f96d70e9-b34e-492a-88c8-5a69ad7bd6a9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f96d70e9-b34e-492a-88c8-5a69ad7bd6a9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-atomic/scull_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f96d70e9-b34e-492a-88c8-5a69ad7bd6a9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f96d70e9-b34e-492a-88c8-5a69ad7bd6a9/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 c2eddced33e4e396d3b61723746beafc86cb5f97 .................................................................................................................................................................................................................... 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_f96d70e9-b34e-492a-88c8-5a69ad7bd6a9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f96d70e9-b34e-492a-88c8-5a69ad7bd6a9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f96d70e9-b34e-492a-88c8-5a69ad7bd6a9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f96d70e9-b34e-492a-88c8-5a69ad7bd6a9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-atomic/scull_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f96d70e9-b34e-492a-88c8-5a69ad7bd6a9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f96d70e9-b34e-492a-88c8-5a69ad7bd6a9/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 c2eddced33e4e396d3b61723746beafc86cb5f97 .................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: null --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 05:10:54,798 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:10:54,800 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:10:54,809 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:10:54,809 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:10:54,810 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:10:54,811 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:10:54,813 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:10:54,815 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:10:54,815 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:10:54,816 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:10:54,816 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:10:54,817 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:10:54,819 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:10:54,820 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:10:54,820 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:10:54,821 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:10:54,823 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:10:54,825 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:10:54,826 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:10:54,827 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:10:54,828 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:10:54,829 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:10:54,830 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:10:54,830 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:10:54,831 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:10:54,832 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:10:54,832 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:10:54,833 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:10:54,834 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:10:54,835 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:10:54,835 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:10:54,835 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:10:54,836 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:10:54,836 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:10:54,837 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:10:54,837 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f96d70e9-b34e-492a-88c8-5a69ad7bd6a9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-27 05:10:54,849 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:10:54,849 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:10:54,850 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:10:54,850 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:10:54,850 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:10:54,850 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:10:54,850 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 05:10:54,851 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:10:54,851 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 05:10:54,851 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 05:10:54,851 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:10:54,851 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:10:54,852 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:10:54,852 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:10:54,852 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:10:54,852 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:10:54,852 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:10:54,852 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:10:54,852 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:10:54,853 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:10:54,853 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:10:54,853 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:10:54,853 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:10:54,853 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:10:54,853 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:10:54,856 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:10:54,856 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:10:54,856 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:10:54,856 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:10:54,856 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:10:54,856 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 05:10:54,857 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:10:54,857 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:10:54,857 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 05:10:54,857 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_f96d70e9-b34e-492a-88c8-5a69ad7bd6a9/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 -> c2eddced33e4e396d3b61723746beafc86cb5f97 [2018-10-27 05:10:54,889 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:10:54,902 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:10:54,905 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:10:54,907 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:10:54,907 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:10:54,909 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f96d70e9-b34e-492a-88c8-5a69ad7bd6a9/bin-2019/utaipan/../../sv-benchmarks/c/pthread-atomic/scull_true-unreach-call.i [2018-10-27 05:10:54,963 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f96d70e9-b34e-492a-88c8-5a69ad7bd6a9/bin-2019/utaipan/data/25a0bb52e/7eb23d40156f46b5b749b4c5ea5d2b59/FLAG39bdedd9d [2018-10-27 05:10:55,405 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:10:55,406 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f96d70e9-b34e-492a-88c8-5a69ad7bd6a9/sv-benchmarks/c/pthread-atomic/scull_true-unreach-call.i [2018-10-27 05:10:55,421 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f96d70e9-b34e-492a-88c8-5a69ad7bd6a9/bin-2019/utaipan/data/25a0bb52e/7eb23d40156f46b5b749b4c5ea5d2b59/FLAG39bdedd9d [2018-10-27 05:10:55,435 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f96d70e9-b34e-492a-88c8-5a69ad7bd6a9/bin-2019/utaipan/data/25a0bb52e/7eb23d40156f46b5b749b4c5ea5d2b59 [2018-10-27 05:10:55,438 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:10:55,439 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:10:55,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:10:55,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:10:55,444 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:10:55,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:10:55" (1/1) ... [2018-10-27 05:10:55,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1640fc12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:55, skipping insertion in model container [2018-10-27 05:10:55,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:10:55" (1/1) ... [2018-10-27 05:10:55,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:10:55,504 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:10:55,825 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:10:55,835 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:10:55,891 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:10:55,945 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:10:55,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:55 WrapperNode [2018-10-27 05:10:55,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:10:55,946 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:10:55,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:10:55,947 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:10:56,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:55" (1/1) ... [2018-10-27 05:10:56,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:55" (1/1) ... [2018-10-27 05:10:56,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:10:56,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:10:56,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:10:56,100 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:10:56,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:55" (1/1) ... [2018-10-27 05:10:56,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:55" (1/1) ... [2018-10-27 05:10:56,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:55" (1/1) ... [2018-10-27 05:10:56,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:55" (1/1) ... [2018-10-27 05:10:56,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:55" (1/1) ... [2018-10-27 05:10:56,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:55" (1/1) ... [2018-10-27 05:10:56,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:55" (1/1) ... [2018-10-27 05:10:56,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:10:56,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:10:56,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:10:56,154 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:10:56,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:10:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f96d70e9-b34e-492a-88c8-5a69ad7bd6a9/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:10:56,222 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2018-10-27 05:10:56,222 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2018-10-27 05:10:56,223 INFO L130 BoogieDeclarations]: Found specification of procedure scull_read [2018-10-27 05:10:56,223 INFO L138 BoogieDeclarations]: Found implementation of procedure scull_read [2018-10-27 05:10:56,223 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2018-10-27 05:10:56,223 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2018-10-27 05:10:56,223 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2018-10-27 05:10:56,223 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2018-10-27 05:10:56,223 INFO L130 BoogieDeclarations]: Found specification of procedure scull_cleanup_module [2018-10-27 05:10:56,224 INFO L138 BoogieDeclarations]: Found implementation of procedure scull_cleanup_module [2018-10-27 05:10:56,224 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2018-10-27 05:10:56,224 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2018-10-27 05:10:56,224 INFO L130 BoogieDeclarations]: Found specification of procedure scull_init_module [2018-10-27 05:10:56,224 INFO L138 BoogieDeclarations]: Found implementation of procedure scull_init_module [2018-10-27 05:10:56,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:10:56,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:10:56,225 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2018-10-27 05:10:56,225 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2018-10-27 05:10:56,225 INFO L130 BoogieDeclarations]: Found specification of procedure loader [2018-10-27 05:10:56,225 INFO L138 BoogieDeclarations]: Found implementation of procedure loader [2018-10-27 05:10:56,225 INFO L130 BoogieDeclarations]: Found specification of procedure scull_trim [2018-10-27 05:10:56,225 INFO L138 BoogieDeclarations]: Found implementation of procedure scull_trim [2018-10-27 05:10:56,225 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:10:56,228 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:10:56,228 INFO L130 BoogieDeclarations]: Found specification of procedure up [2018-10-27 05:10:56,228 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2018-10-27 05:10:56,228 INFO L130 BoogieDeclarations]: Found specification of procedure scull_follow [2018-10-27 05:10:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure scull_follow [2018-10-27 05:10:56,229 INFO L130 BoogieDeclarations]: Found specification of procedure scull_open [2018-10-27 05:10:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure scull_open [2018-10-27 05:10:56,229 INFO L130 BoogieDeclarations]: Found specification of procedure scull_write [2018-10-27 05:10:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure scull_write [2018-10-27 05:10:56,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:10:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:10:56,231 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-10-27 05:10:57,505 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:10:57,525 WARN L196 IcfgDuplicator]: Creating raw copy for unreachable call because return is reachable in graph view: call scull_cleanup_module(); [2018-10-27 05:10:57,548 WARN L317 ript$VariableManager]: TermVariabe |Thread0_loader_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:10:57,548 WARN L317 ript$VariableManager]: TermVariabe |Thread0_loader_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:10:57,549 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException at de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:89) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 05:10:57,552 INFO L168 Benchmark]: Toolchain (without parser) took 2113.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 181.9 MB). Free memory was 950.4 MB in the beginning and 1.1 GB in the end (delta: -149.8 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:57,553 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:10:57,557 INFO L168 Benchmark]: CACSL2BoogieTranslator took 506.37 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 918.2 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:57,557 INFO L168 Benchmark]: Boogie Procedure Inliner took 152.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 181.9 MB). Free memory was 918.2 MB in the beginning and 1.2 GB in the end (delta: -254.1 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:57,558 INFO L168 Benchmark]: Boogie Preprocessor took 53.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:10:57,558 INFO L168 Benchmark]: RCFGBuilder took 1397.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 72.0 MB). Peak memory consumption was 72.0 MB. Max. memory is 11.5 GB. [2018-10-27 05:10:57,561 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 506.37 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 918.2 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 152.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 181.9 MB). Free memory was 918.2 MB in the beginning and 1.2 GB in the end (delta: -254.1 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.42 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 1397.92 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: 72.0 MB). Peak memory consumption was 72.0 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... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-27 05:10:59,542 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:10:59,543 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:10:59,560 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:10:59,569 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:10:59,570 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:10:59,571 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:10:59,573 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:10:59,581 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:10:59,598 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:10:59,599 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:10:59,599 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:10:59,600 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:10:59,600 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:10:59,601 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:10:59,605 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:10:59,606 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:10:59,607 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:10:59,609 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:10:59,622 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:10:59,623 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:10:59,625 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:10:59,629 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:10:59,631 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:10:59,632 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:10:59,633 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:10:59,634 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:10:59,635 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:10:59,635 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:10:59,636 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:10:59,636 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:10:59,637 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:10:59,637 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:10:59,637 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:10:59,641 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:10:59,642 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:10:59,642 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f96d70e9-b34e-492a-88c8-5a69ad7bd6a9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-27 05:10:59,660 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:10:59,662 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:10:59,663 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:10:59,664 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:10:59,664 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:10:59,664 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:10:59,665 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:10:59,666 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:10:59,666 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:10:59,667 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 05:10:59,667 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 05:10:59,668 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:10:59,668 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:10:59,668 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:10:59,668 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:10:59,669 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-27 05:10:59,669 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-27 05:10:59,669 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 05:10:59,669 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:10:59,669 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:10:59,669 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:10:59,670 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:10:59,670 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:10:59,670 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:10:59,670 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:10:59,670 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:10:59,670 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:10:59,670 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:10:59,670 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-27 05:10:59,671 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:10:59,671 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-27 05:10:59,671 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-27 05:10:59,671 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_f96d70e9-b34e-492a-88c8-5a69ad7bd6a9/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 -> c2eddced33e4e396d3b61723746beafc86cb5f97 [2018-10-27 05:10:59,713 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:10:59,724 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:10:59,727 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:10:59,728 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:10:59,729 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:10:59,729 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f96d70e9-b34e-492a-88c8-5a69ad7bd6a9/bin-2019/utaipan/../../sv-benchmarks/c/pthread-atomic/scull_true-unreach-call.i [2018-10-27 05:10:59,780 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f96d70e9-b34e-492a-88c8-5a69ad7bd6a9/bin-2019/utaipan/data/7f9347d61/805b49c1baac4919b343a87664074848/FLAG63af26d69 [2018-10-27 05:11:00,258 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:11:00,258 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f96d70e9-b34e-492a-88c8-5a69ad7bd6a9/sv-benchmarks/c/pthread-atomic/scull_true-unreach-call.i [2018-10-27 05:11:00,271 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f96d70e9-b34e-492a-88c8-5a69ad7bd6a9/bin-2019/utaipan/data/7f9347d61/805b49c1baac4919b343a87664074848/FLAG63af26d69 [2018-10-27 05:11:00,284 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f96d70e9-b34e-492a-88c8-5a69ad7bd6a9/bin-2019/utaipan/data/7f9347d61/805b49c1baac4919b343a87664074848 [2018-10-27 05:11:00,287 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:11:00,288 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:11:00,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:11:00,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:11:00,293 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:11:00,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:11:00" (1/1) ... [2018-10-27 05:11:00,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18c25bd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:00, skipping insertion in model container [2018-10-27 05:11:00,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:11:00" (1/1) ... [2018-10-27 05:11:00,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:11:00,347 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:11:00,728 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:11:00,748 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:11:00,829 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:11:00,915 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:11:00,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:00 WrapperNode [2018-10-27 05:11:00,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:11:00,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:11:00,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:11:00,917 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:11:00,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:00" (1/1) ... [2018-10-27 05:11:00,947 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:00" (1/1) ... [2018-10-27 05:11:00,971 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:11:00,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:11:00,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:11:00,971 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:11:01,053 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:00" (1/1) ... [2018-10-27 05:11:01,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:00" (1/1) ... [2018-10-27 05:11:01,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:00" (1/1) ... [2018-10-27 05:11:01,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:00" (1/1) ... [2018-10-27 05:11:01,074 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:00" (1/1) ... [2018-10-27 05:11:01,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:00" (1/1) ... [2018-10-27 05:11:01,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:00" (1/1) ... [2018-10-27 05:11:01,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:11:01,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:11:01,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:11:01,086 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:11:01,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:11:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f96d70e9-b34e-492a-88c8-5a69ad7bd6a9/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:11:01,146 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2018-10-27 05:11:01,146 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2018-10-27 05:11:01,146 INFO L130 BoogieDeclarations]: Found specification of procedure scull_read [2018-10-27 05:11:01,147 INFO L138 BoogieDeclarations]: Found implementation of procedure scull_read [2018-10-27 05:11:01,147 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2018-10-27 05:11:01,147 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2018-10-27 05:11:01,147 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2018-10-27 05:11:01,147 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2018-10-27 05:11:01,147 INFO L130 BoogieDeclarations]: Found specification of procedure scull_cleanup_module [2018-10-27 05:11:01,147 INFO L138 BoogieDeclarations]: Found implementation of procedure scull_cleanup_module [2018-10-27 05:11:01,147 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2018-10-27 05:11:01,148 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2018-10-27 05:11:01,148 INFO L130 BoogieDeclarations]: Found specification of procedure scull_init_module [2018-10-27 05:11:01,148 INFO L138 BoogieDeclarations]: Found implementation of procedure scull_init_module [2018-10-27 05:11:01,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:11:01,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:11:01,150 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2018-10-27 05:11:01,150 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2018-10-27 05:11:01,150 INFO L130 BoogieDeclarations]: Found specification of procedure loader [2018-10-27 05:11:01,150 INFO L138 BoogieDeclarations]: Found implementation of procedure loader [2018-10-27 05:11:01,150 INFO L130 BoogieDeclarations]: Found specification of procedure scull_trim [2018-10-27 05:11:01,150 INFO L138 BoogieDeclarations]: Found implementation of procedure scull_trim [2018-10-27 05:11:01,150 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:11:01,151 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:11:01,151 INFO L130 BoogieDeclarations]: Found specification of procedure up [2018-10-27 05:11:01,151 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2018-10-27 05:11:01,151 INFO L130 BoogieDeclarations]: Found specification of procedure scull_follow [2018-10-27 05:11:01,151 INFO L138 BoogieDeclarations]: Found implementation of procedure scull_follow [2018-10-27 05:11:01,151 INFO L130 BoogieDeclarations]: Found specification of procedure scull_open [2018-10-27 05:11:01,151 INFO L138 BoogieDeclarations]: Found implementation of procedure scull_open [2018-10-27 05:11:01,151 INFO L130 BoogieDeclarations]: Found specification of procedure scull_write [2018-10-27 05:11:01,152 INFO L138 BoogieDeclarations]: Found implementation of procedure scull_write [2018-10-27 05:11:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:11:01,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:11:01,153 WARN L200 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-10-27 05:11:02,412 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:11:02,431 WARN L196 IcfgDuplicator]: Creating raw copy for unreachable call because return is reachable in graph view: call scull_cleanup_module(); [2018-10-27 05:11:02,462 WARN L317 ript$VariableManager]: TermVariabe |Thread0_loader_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:11:02,464 WARN L317 ript$VariableManager]: TermVariabe |Thread0_loader_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 05:11:02,465 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException at de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.ProcedureMultiplier.(ProcedureMultiplier.java:250) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:89) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 05:11:02,470 INFO L168 Benchmark]: Toolchain (without parser) took 2182.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 946.5 MB in the beginning and 1.1 GB in the end (delta: -124.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2018-10-27 05:11:02,473 INFO L168 Benchmark]: CDTParser took 0.66 ms. Allocated memory is still 1.0 GB. Free memory is still 978.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:11:02,475 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.65 ms. Allocated memory is still 1.0 GB. Free memory was 946.5 MB in the beginning and 903.6 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-10-27 05:11:02,476 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.80 ms. Allocated memory is still 1.0 GB. Free memory is still 903.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:11:02,476 INFO L168 Benchmark]: Boogie Preprocessor took 114.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 903.6 MB in the beginning and 1.1 GB in the end (delta: -233.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-10-27 05:11:02,478 INFO L168 Benchmark]: RCFGBuilder took 1383.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 65.6 MB). Peak memory consumption was 65.6 MB. Max. memory is 11.5 GB. [2018-10-27 05:11:02,481 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66 ms. Allocated memory is still 1.0 GB. Free memory is still 978.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 626.65 ms. Allocated memory is still 1.0 GB. Free memory was 946.5 MB in the beginning and 903.6 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.80 ms. Allocated memory is still 1.0 GB. Free memory is still 903.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 114.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 903.6 MB in the beginning and 1.1 GB in the end (delta: -233.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1383.55 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: 65.6 MB). Peak memory consumption was 65.6 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...