./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_688c9ff3-ccd4-4fc1-8b24-77fa61e652b2/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_688c9ff3-ccd4-4fc1-8b24-77fa61e652b2/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_688c9ff3-ccd4-4fc1-8b24-77fa61e652b2/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_688c9ff3-ccd4-4fc1-8b24-77fa61e652b2/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/scull_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_688c9ff3-ccd4-4fc1-8b24-77fa61e652b2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_688c9ff3-ccd4-4fc1-8b24-77fa61e652b2/bin-2019/ukojak --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 Kojak --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_688c9ff3-ccd4-4fc1-8b24-77fa61e652b2/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_688c9ff3-ccd4-4fc1-8b24-77fa61e652b2/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_688c9ff3-ccd4-4fc1-8b24-77fa61e652b2/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_688c9ff3-ccd4-4fc1-8b24-77fa61e652b2/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/scull_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_688c9ff3-ccd4-4fc1-8b24-77fa61e652b2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_688c9ff3-ccd4-4fc1-8b24-77fa61e652b2/bin-2019/ukojak --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 Kojak --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 [2018-11-10 12:48:17,611 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:48:17,613 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:48:17,620 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:48:17,620 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:48:17,620 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:48:17,621 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:48:17,622 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:48:17,623 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:48:17,624 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:48:17,625 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:48:17,625 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:48:17,625 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:48:17,626 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:48:17,627 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:48:17,627 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:48:17,627 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:48:17,628 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:48:17,629 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:48:17,630 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:48:17,631 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:48:17,631 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:48:17,633 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:48:17,633 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:48:17,633 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:48:17,634 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:48:17,634 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:48:17,635 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:48:17,635 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:48:17,636 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:48:17,636 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:48:17,636 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:48:17,636 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:48:17,636 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:48:17,637 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:48:17,637 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:48:17,637 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_688c9ff3-ccd4-4fc1-8b24-77fa61e652b2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 12:48:17,647 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:48:17,647 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:48:17,648 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:48:17,648 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:48:17,649 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:48:17,649 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:48:17,649 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:48:17,649 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:48:17,649 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:48:17,649 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:48:17,649 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:48:17,650 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:48:17,650 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:48:17,650 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:48:17,650 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:48:17,650 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:48:17,650 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:48:17,650 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:48:17,650 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:48:17,651 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:48:17,651 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:48:17,651 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:48:17,651 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:48:17,651 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:48:17,651 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:48:17,651 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 12:48:17,651 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:48:17,652 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:48:17,652 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_688c9ff3-ccd4-4fc1-8b24-77fa61e652b2/bin-2019/ukojak 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 -> Kojak 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 [2018-11-10 12:48:17,675 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:48:17,684 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:48:17,686 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:48:17,687 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:48:17,688 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:48:17,688 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_688c9ff3-ccd4-4fc1-8b24-77fa61e652b2/bin-2019/ukojak/../../sv-benchmarks/c/pthread-atomic/scull_true-unreach-call.i [2018-11-10 12:48:17,728 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_688c9ff3-ccd4-4fc1-8b24-77fa61e652b2/bin-2019/ukojak/data/595e62619/740ffe93f4484abd87b3a6cda200e564/FLAG51238e59e [2018-11-10 12:48:18,083 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:48:18,084 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_688c9ff3-ccd4-4fc1-8b24-77fa61e652b2/sv-benchmarks/c/pthread-atomic/scull_true-unreach-call.i [2018-11-10 12:48:18,093 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_688c9ff3-ccd4-4fc1-8b24-77fa61e652b2/bin-2019/ukojak/data/595e62619/740ffe93f4484abd87b3a6cda200e564/FLAG51238e59e [2018-11-10 12:48:18,103 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_688c9ff3-ccd4-4fc1-8b24-77fa61e652b2/bin-2019/ukojak/data/595e62619/740ffe93f4484abd87b3a6cda200e564 [2018-11-10 12:48:18,105 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:48:18,106 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:48:18,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:48:18,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:48:18,109 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:48:18,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:48:18" (1/1) ... [2018-11-10 12:48:18,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ff31fb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:48:18, skipping insertion in model container [2018-11-10 12:48:18,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:48:18" (1/1) ... [2018-11-10 12:48:18,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:48:18,146 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:48:18,402 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:48:18,410 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:48:18,458 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:48:18,510 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:48:18,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:48:18 WrapperNode [2018-11-10 12:48:18,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:48:18,512 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:48:18,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:48:18,512 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:48:18,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:48:18" (1/1) ... [2018-11-10 12:48:18,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:48:18" (1/1) ... [2018-11-10 12:48:18,611 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:48:18,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:48:18,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:48:18,612 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:48:18,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:48:18" (1/1) ... [2018-11-10 12:48:18,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:48:18" (1/1) ... [2018-11-10 12:48:18,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:48:18" (1/1) ... [2018-11-10 12:48:18,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:48:18" (1/1) ... [2018-11-10 12:48:18,630 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:48:18" (1/1) ... [2018-11-10 12:48:18,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:48:18" (1/1) ... [2018-11-10 12:48:18,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:48:18" (1/1) ... [2018-11-10 12:48:18,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:48:18,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:48:18,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:48:18,638 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:48:18,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:48:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_688c9ff3-ccd4-4fc1-8b24-77fa61e652b2/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-11-10 12:48:18,673 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2018-11-10 12:48:18,673 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2018-11-10 12:48:18,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 12:48:18,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 12:48:18,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 12:48:18,674 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2018-11-10 12:48:18,674 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2018-11-10 12:48:18,674 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2018-11-10 12:48:18,674 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2018-11-10 12:48:18,674 INFO L130 BoogieDeclarations]: Found specification of procedure scull_cleanup_module [2018-11-10 12:48:18,674 INFO L138 BoogieDeclarations]: Found implementation of procedure scull_cleanup_module [2018-11-10 12:48:18,674 INFO L130 BoogieDeclarations]: Found specification of procedure loader [2018-11-10 12:48:18,674 INFO L138 BoogieDeclarations]: Found implementation of procedure loader [2018-11-10 12:48:18,675 INFO L130 BoogieDeclarations]: Found specification of procedure scull_trim [2018-11-10 12:48:18,675 INFO L138 BoogieDeclarations]: Found implementation of procedure scull_trim [2018-11-10 12:48:18,675 INFO L130 BoogieDeclarations]: Found specification of procedure up [2018-11-10 12:48:18,675 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2018-11-10 12:48:18,675 INFO L130 BoogieDeclarations]: Found specification of procedure scull_follow [2018-11-10 12:48:18,675 INFO L138 BoogieDeclarations]: Found implementation of procedure scull_follow [2018-11-10 12:48:18,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 12:48:18,675 INFO L130 BoogieDeclarations]: Found specification of procedure scull_open [2018-11-10 12:48:18,675 INFO L138 BoogieDeclarations]: Found implementation of procedure scull_open [2018-11-10 12:48:18,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:48:18,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:48:18,676 WARN L200 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-10 12:48:19,099 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:48:19,112 WARN L196 IcfgDuplicator]: Creating raw copy for unreachable call because return is reachable in graph view: call scull_cleanup_module(); [2018-11-10 12:48:19,131 WARN L317 ript$VariableManager]: TermVariabe |Thread0_loader_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:48:19,132 WARN L317 ript$VariableManager]: TermVariabe |Thread0_loader_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:48:19,132 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 12:48:19,135 INFO L168 Benchmark]: Toolchain (without parser) took 1029.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -128.2 MB). Peak memory consumption was 34.8 MB. Max. memory is 11.5 GB. [2018-11-10 12:48:19,136 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:48:19,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 404.85 ms. Allocated memory is still 1.0 GB. Free memory was 957.7 MB in the beginning and 919.0 MB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:48:19,137 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 919.0 MB in the beginning and 1.2 GB in the end (delta: -237.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-10 12:48:19,138 INFO L168 Benchmark]: Boogie Preprocessor took 26.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:48:19,138 INFO L168 Benchmark]: RCFGBuilder took 496.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 66.9 MB). Peak memory consumption was 66.9 MB. Max. memory is 11.5 GB. [2018-11-10 12:48:19,140 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 404.85 ms. Allocated memory is still 1.0 GB. Free memory was 957.7 MB in the beginning and 919.0 MB in the end (delta: 38.7 MB). Peak memory consumption was 38.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 99.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 919.0 MB in the beginning and 1.2 GB in the end (delta: -237.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 496.64 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: 66.9 MB). Peak memory consumption was 66.9 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 12:48:20,602 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:48:20,603 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:48:20,611 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:48:20,611 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:48:20,611 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:48:20,612 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:48:20,613 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:48:20,614 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:48:20,615 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:48:20,616 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:48:20,616 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:48:20,616 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:48:20,617 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:48:20,618 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:48:20,619 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:48:20,619 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:48:20,620 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:48:20,622 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:48:20,623 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:48:20,623 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:48:20,624 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:48:20,626 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:48:20,626 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:48:20,626 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:48:20,627 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:48:20,627 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:48:20,628 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:48:20,628 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:48:20,630 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:48:20,630 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:48:20,630 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:48:20,630 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:48:20,631 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:48:20,631 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:48:20,631 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:48:20,632 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_688c9ff3-ccd4-4fc1-8b24-77fa61e652b2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-10 12:48:20,641 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:48:20,641 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:48:20,642 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:48:20,642 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:48:20,642 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:48:20,643 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:48:20,643 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:48:20,644 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:48:20,644 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:48:20,644 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:48:20,644 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:48:20,644 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:48:20,644 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:48:20,644 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 12:48:20,644 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 12:48:20,645 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:48:20,645 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:48:20,645 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:48:20,645 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:48:20,645 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:48:20,645 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:48:20,645 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:48:20,645 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:48:20,646 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:48:20,646 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:48:20,646 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:48:20,646 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-10 12:48:20,646 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 12:48:20,646 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:48:20,646 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 12:48:20,647 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 12:48:20,647 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_688c9ff3-ccd4-4fc1-8b24-77fa61e652b2/bin-2019/ukojak 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 -> Kojak 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 [2018-11-10 12:48:20,680 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:48:20,688 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:48:20,691 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:48:20,692 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:48:20,692 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:48:20,693 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_688c9ff3-ccd4-4fc1-8b24-77fa61e652b2/bin-2019/ukojak/../../sv-benchmarks/c/pthread-atomic/scull_true-unreach-call.i [2018-11-10 12:48:20,739 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_688c9ff3-ccd4-4fc1-8b24-77fa61e652b2/bin-2019/ukojak/data/ac9b7a664/07842a6f6d4541529f97c25981972a63/FLAG3c8176119 [2018-11-10 12:48:21,113 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:48:21,114 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_688c9ff3-ccd4-4fc1-8b24-77fa61e652b2/sv-benchmarks/c/pthread-atomic/scull_true-unreach-call.i [2018-11-10 12:48:21,124 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_688c9ff3-ccd4-4fc1-8b24-77fa61e652b2/bin-2019/ukojak/data/ac9b7a664/07842a6f6d4541529f97c25981972a63/FLAG3c8176119 [2018-11-10 12:48:21,135 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_688c9ff3-ccd4-4fc1-8b24-77fa61e652b2/bin-2019/ukojak/data/ac9b7a664/07842a6f6d4541529f97c25981972a63 [2018-11-10 12:48:21,137 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:48:21,138 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:48:21,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:48:21,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:48:21,141 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:48:21,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:48:21" (1/1) ... [2018-11-10 12:48:21,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@792fc703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:48:21, skipping insertion in model container [2018-11-10 12:48:21,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:48:21" (1/1) ... [2018-11-10 12:48:21,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:48:21,186 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:48:21,471 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:48:21,482 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:48:21,529 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:48:21,595 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:48:21,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:48:21 WrapperNode [2018-11-10 12:48:21,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:48:21,597 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:48:21,597 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:48:21,597 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:48:21,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:48:21" (1/1) ... [2018-11-10 12:48:21,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:48:21" (1/1) ... [2018-11-10 12:48:21,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:48:21,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:48:21,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:48:21,690 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:48:21,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:48:21" (1/1) ... [2018-11-10 12:48:21,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:48:21" (1/1) ... [2018-11-10 12:48:21,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:48:21" (1/1) ... [2018-11-10 12:48:21,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:48:21" (1/1) ... [2018-11-10 12:48:21,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:48:21" (1/1) ... [2018-11-10 12:48:21,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:48:21" (1/1) ... [2018-11-10 12:48:21,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:48:21" (1/1) ... [2018-11-10 12:48:21,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:48:21,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:48:21,715 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:48:21,715 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:48:21,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:48:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_688c9ff3-ccd4-4fc1-8b24-77fa61e652b2/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-11-10 12:48:21,749 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2018-11-10 12:48:21,749 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2018-11-10 12:48:21,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 12:48:21,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-10 12:48:21,750 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2018-11-10 12:48:21,750 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2018-11-10 12:48:21,750 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2018-11-10 12:48:21,750 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2018-11-10 12:48:21,750 INFO L130 BoogieDeclarations]: Found specification of procedure scull_cleanup_module [2018-11-10 12:48:21,750 INFO L138 BoogieDeclarations]: Found implementation of procedure scull_cleanup_module [2018-11-10 12:48:21,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-10 12:48:21,750 INFO L130 BoogieDeclarations]: Found specification of procedure loader [2018-11-10 12:48:21,750 INFO L138 BoogieDeclarations]: Found implementation of procedure loader [2018-11-10 12:48:21,751 INFO L130 BoogieDeclarations]: Found specification of procedure scull_trim [2018-11-10 12:48:21,751 INFO L138 BoogieDeclarations]: Found implementation of procedure scull_trim [2018-11-10 12:48:21,751 INFO L130 BoogieDeclarations]: Found specification of procedure up [2018-11-10 12:48:21,751 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2018-11-10 12:48:21,751 INFO L130 BoogieDeclarations]: Found specification of procedure scull_follow [2018-11-10 12:48:21,751 INFO L138 BoogieDeclarations]: Found implementation of procedure scull_follow [2018-11-10 12:48:21,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 12:48:21,751 INFO L130 BoogieDeclarations]: Found specification of procedure scull_open [2018-11-10 12:48:21,752 INFO L138 BoogieDeclarations]: Found implementation of procedure scull_open [2018-11-10 12:48:21,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:48:21,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:48:21,753 WARN L200 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-10 12:48:22,270 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:48:22,286 WARN L196 IcfgDuplicator]: Creating raw copy for unreachable call because return is reachable in graph view: call scull_cleanup_module(); [2018-11-10 12:48:22,303 WARN L317 ript$VariableManager]: TermVariabe |Thread0_loader_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:48:22,304 WARN L317 ript$VariableManager]: TermVariabe |Thread0_loader_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 12:48:22,304 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 12:48:22,307 INFO L168 Benchmark]: Toolchain (without parser) took 1169.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 943.8 MB in the beginning and 1.0 GB in the end (delta: -101.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2018-11-10 12:48:22,308 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:48:22,308 INFO L168 Benchmark]: CACSL2BoogieTranslator took 458.02 ms. Allocated memory is still 1.0 GB. Free memory was 943.8 MB in the beginning and 900.9 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-11-10 12:48:22,308 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 900.9 MB in the beginning and 1.1 GB in the end (delta: -207.9 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-11-10 12:48:22,309 INFO L168 Benchmark]: Boogie Preprocessor took 25.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:48:22,309 INFO L168 Benchmark]: RCFGBuilder took 591.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 63.3 MB). Peak memory consumption was 63.3 MB. Max. memory is 11.5 GB. [2018-11-10 12:48:22,313 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 458.02 ms. Allocated memory is still 1.0 GB. Free memory was 943.8 MB in the beginning and 900.9 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 92.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 900.9 MB in the beginning and 1.1 GB in the end (delta: -207.9 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 591.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 63.3 MB). Peak memory consumption was 63.3 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...