./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-atomic/qrcu-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/qrcu-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3655f01df3eccc3acdb69c97e41dec3a3ff24ca3333b88921cb12b5b6c342936 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:54:43,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:54:43,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:54:43,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:54:43,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:54:43,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:54:43,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:54:43,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:54:43,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:54:43,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:54:43,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:54:43,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:54:43,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:54:43,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:54:43,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:54:43,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:54:43,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:54:43,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:54:43,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:54:43,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:54:43,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:54:43,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:54:43,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:54:43,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:54:43,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:54:43,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:54:43,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:54:43,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:54:43,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:54:43,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:54:43,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:54:43,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:54:43,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:54:43,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:54:43,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:54:43,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:54:43,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:54:43,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:54:43,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:54:43,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:54:43,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:54:43,444 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:54:43,465 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:54:43,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:54:43,466 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:54:43,467 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:54:43,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:54:43,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:54:43,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:54:43,468 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:54:43,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:54:43,469 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:54:43,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:54:43,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:54:43,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:54:43,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:54:43,470 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:54:43,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:54:43,470 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:54:43,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:54:43,471 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:54:43,471 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:54:43,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:54:43,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:43,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:54:43,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:54:43,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:54:43,472 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:54:43,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:54:43,473 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:54:43,473 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3655f01df3eccc3acdb69c97e41dec3a3ff24ca3333b88921cb12b5b6c342936 [2021-11-23 15:54:43,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:54:43,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:54:43,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:54:43,755 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:54:43,756 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:54:43,759 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-atomic/qrcu-1.i [2021-11-23 15:54:43,837 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/bin/ukojak-CwSLpZB5Qu/data/05c630fa5/05e1c5839f0d442b81e497a7cac786ff/FLAG39af2ac6d [2021-11-23 15:54:44,381 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:54:44,382 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/sv-benchmarks/c/pthread-atomic/qrcu-1.i [2021-11-23 15:54:44,407 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/bin/ukojak-CwSLpZB5Qu/data/05c630fa5/05e1c5839f0d442b81e497a7cac786ff/FLAG39af2ac6d [2021-11-23 15:54:44,677 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/bin/ukojak-CwSLpZB5Qu/data/05c630fa5/05e1c5839f0d442b81e497a7cac786ff [2021-11-23 15:54:44,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:54:44,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:54:44,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:44,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:54:44,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:54:44,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:44" (1/1) ... [2021-11-23 15:54:44,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63b45c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:44, skipping insertion in model container [2021-11-23 15:54:44,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:44" (1/1) ... [2021-11-23 15:54:44,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:54:44,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:54:45,112 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/sv-benchmarks/c/pthread-atomic/qrcu-1.i[30694,30707] [2021-11-23 15:54:45,116 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/sv-benchmarks/c/pthread-atomic/qrcu-1.i[30916,30929] [2021-11-23 15:54:45,136 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:45,148 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:54:45,184 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/sv-benchmarks/c/pthread-atomic/qrcu-1.i[30694,30707] [2021-11-23 15:54:45,186 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/sv-benchmarks/c/pthread-atomic/qrcu-1.i[30916,30929] [2021-11-23 15:54:45,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:45,245 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:54:45,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:45 WrapperNode [2021-11-23 15:54:45,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:45,247 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:45,247 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:54:45,248 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:54:45,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:45" (1/1) ... [2021-11-23 15:54:45,297 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:45" (1/1) ... [2021-11-23 15:54:45,337 INFO L137 Inliner]: procedures = 177, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 162 [2021-11-23 15:54:45,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:45,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:54:45,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:54:45,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:54:45,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:45" (1/1) ... [2021-11-23 15:54:45,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:45" (1/1) ... [2021-11-23 15:54:45,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:45" (1/1) ... [2021-11-23 15:54:45,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:45" (1/1) ... [2021-11-23 15:54:45,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:45" (1/1) ... [2021-11-23 15:54:45,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:45" (1/1) ... [2021-11-23 15:54:45,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:45" (1/1) ... [2021-11-23 15:54:45,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:54:45,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:54:45,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:54:45,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:54:45,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:45" (1/1) ... [2021-11-23 15:54:45,428 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:45,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:54:45,456 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:54:45,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:54:45,501 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2021-11-23 15:54:45,503 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2021-11-23 15:54:45,503 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2021-11-23 15:54:45,504 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2021-11-23 15:54:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:54:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_use_done [2021-11-23 15:54:45,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_use_done [2021-11-23 15:54:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:54:45,505 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_use2 [2021-11-23 15:54:45,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_use2 [2021-11-23 15:54:45,505 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_use1 [2021-11-23 15:54:45,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_use1 [2021-11-23 15:54:45,505 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2021-11-23 15:54:45,506 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2021-11-23 15:54:45,506 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 15:54:45,506 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:54:45,506 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:54:45,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:54:45,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:54:45,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:54:45,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:54:45,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:54:45,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:54:45,509 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 15:54:45,667 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:54:45,682 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:54:46,021 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:54:46,076 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:54:46,080 INFO L158 Benchmark]: Toolchain (without parser) took 1398.99ms. Allocated memory is still 102.8MB. Free memory was 66.5MB in the beginning and 42.0MB in the end (delta: 24.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:46,081 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 102.8MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:46,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 562.56ms. Allocated memory is still 102.8MB. Free memory was 66.3MB in the beginning and 67.4MB in the end (delta: -1.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:54:46,082 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.97ms. Allocated memory is still 102.8MB. Free memory was 67.1MB in the beginning and 64.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:46,083 INFO L158 Benchmark]: Boogie Preprocessor took 68.89ms. Allocated memory is still 102.8MB. Free memory was 64.8MB in the beginning and 63.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:46,084 INFO L158 Benchmark]: RCFGBuilder took 669.57ms. Allocated memory is still 102.8MB. Free memory was 63.0MB in the beginning and 42.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 15:54:46,088 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 102.8MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 562.56ms. Allocated memory is still 102.8MB. Free memory was 66.3MB in the beginning and 67.4MB in the end (delta: -1.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.97ms. Allocated memory is still 102.8MB. Free memory was 67.1MB in the beginning and 64.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.89ms. Allocated memory is still 102.8MB. Free memory was 64.8MB in the beginning and 63.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 669.57ms. Allocated memory is still 102.8MB. Free memory was 63.0MB in the beginning and 42.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:54:46,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/qrcu-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3655f01df3eccc3acdb69c97e41dec3a3ff24ca3333b88921cb12b5b6c342936 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:54:48,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:54:48,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:54:48,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:54:48,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:54:48,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:54:48,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:54:48,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:54:48,648 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:54:48,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:54:48,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:54:48,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:54:48,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:54:48,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:54:48,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:54:48,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:54:48,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:54:48,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:54:48,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:54:48,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:54:48,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:54:48,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:54:48,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:54:48,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:54:48,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:54:48,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:54:48,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:54:48,704 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:54:48,705 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:54:48,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:54:48,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:54:48,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:54:48,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:54:48,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:54:48,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:54:48,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:54:48,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:54:48,713 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:54:48,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:54:48,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:54:48,716 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:54:48,717 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:54:48,767 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:54:48,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:54:48,769 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:54:48,769 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:54:48,770 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:54:48,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:54:48,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:54:48,771 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:54:48,771 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:54:48,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:54:48,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:54:48,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:54:48,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:54:48,773 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:54:48,774 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:54:48,774 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:54:48,774 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:54:48,774 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:54:48,775 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:54:48,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:54:48,775 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:54:48,775 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:54:48,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:54:48,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:48,776 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:54:48,776 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:54:48,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:54:48,777 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:54:48,777 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:54:48,777 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:54:48,778 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:54:48,778 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:54:48,778 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3655f01df3eccc3acdb69c97e41dec3a3ff24ca3333b88921cb12b5b6c342936 [2021-11-23 15:54:49,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:54:49,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:54:49,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:54:49,169 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:54:49,170 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:54:49,173 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-atomic/qrcu-1.i [2021-11-23 15:54:49,244 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/bin/ukojak-CwSLpZB5Qu/data/da78f3d6a/933118ebf78747d89aead95e28f79158/FLAGc72ce93e0 [2021-11-23 15:54:49,784 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:54:49,785 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/sv-benchmarks/c/pthread-atomic/qrcu-1.i [2021-11-23 15:54:49,799 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/bin/ukojak-CwSLpZB5Qu/data/da78f3d6a/933118ebf78747d89aead95e28f79158/FLAGc72ce93e0 [2021-11-23 15:54:50,121 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/bin/ukojak-CwSLpZB5Qu/data/da78f3d6a/933118ebf78747d89aead95e28f79158 [2021-11-23 15:54:50,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:54:50,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:54:50,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:50,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:54:50,136 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:54:50,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:50" (1/1) ... [2021-11-23 15:54:50,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@289605d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:50, skipping insertion in model container [2021-11-23 15:54:50,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:50" (1/1) ... [2021-11-23 15:54:50,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:54:50,223 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:54:50,646 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/sv-benchmarks/c/pthread-atomic/qrcu-1.i[30694,30707] [2021-11-23 15:54:50,657 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/sv-benchmarks/c/pthread-atomic/qrcu-1.i[30916,30929] [2021-11-23 15:54:50,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:50,710 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:54:50,767 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/sv-benchmarks/c/pthread-atomic/qrcu-1.i[30694,30707] [2021-11-23 15:54:50,768 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/sv-benchmarks/c/pthread-atomic/qrcu-1.i[30916,30929] [2021-11-23 15:54:50,780 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:50,837 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:54:50,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:50 WrapperNode [2021-11-23 15:54:50,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:50,840 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:50,840 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:54:50,840 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:54:50,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:50" (1/1) ... [2021-11-23 15:54:50,884 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:50" (1/1) ... [2021-11-23 15:54:50,917 INFO L137 Inliner]: procedures = 181, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 159 [2021-11-23 15:54:50,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:50,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:54:50,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:54:50,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:54:50,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:50" (1/1) ... [2021-11-23 15:54:50,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:50" (1/1) ... [2021-11-23 15:54:50,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:50" (1/1) ... [2021-11-23 15:54:50,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:50" (1/1) ... [2021-11-23 15:54:50,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:50" (1/1) ... [2021-11-23 15:54:50,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:50" (1/1) ... [2021-11-23 15:54:50,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:50" (1/1) ... [2021-11-23 15:54:50,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:54:50,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:54:50,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:54:50,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:54:50,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:50" (1/1) ... [2021-11-23 15:54:50,967 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:50,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:54:50,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:54:50,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:54:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2021-11-23 15:54:51,030 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2021-11-23 15:54:51,030 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2021-11-23 15:54:51,031 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2021-11-23 15:54:51,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:54:51,031 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_use_done [2021-11-23 15:54:51,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_use_done [2021-11-23 15:54:51,031 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_use2 [2021-11-23 15:54:51,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_use2 [2021-11-23 15:54:51,031 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_use1 [2021-11-23 15:54:51,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_use1 [2021-11-23 15:54:51,032 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2021-11-23 15:54:51,032 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2021-11-23 15:54:51,032 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 15:54:51,032 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:54:51,032 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:54:51,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:54:51,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:54:51,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:54:51,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:54:51,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:54:51,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:54:51,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:54:51,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:54:51,035 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 15:54:51,159 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:54:51,161 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:54:51,574 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:54:51,669 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:54:51,673 INFO L158 Benchmark]: Toolchain (without parser) took 1544.64ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 25.1MB in the beginning and 34.9MB in the end (delta: -9.8MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2021-11-23 15:54:51,674 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 50.3MB. Free memory is still 31.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:51,675 INFO L158 Benchmark]: CACSL2BoogieTranslator took 706.44ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 24.9MB in the beginning and 31.9MB in the end (delta: -7.0MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2021-11-23 15:54:51,676 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.82ms. Allocated memory is still 60.8MB. Free memory was 31.9MB in the beginning and 43.0MB in the end (delta: -11.1MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-11-23 15:54:51,677 INFO L158 Benchmark]: Boogie Preprocessor took 40.04ms. Allocated memory is still 60.8MB. Free memory was 43.0MB in the beginning and 40.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:51,677 INFO L158 Benchmark]: RCFGBuilder took 712.86ms. Allocated memory is still 60.8MB. Free memory was 40.7MB in the beginning and 34.9MB in the end (delta: 5.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:54:51,681 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 50.3MB. Free memory is still 31.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 706.44ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 24.9MB in the beginning and 31.9MB in the end (delta: -7.0MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.82ms. Allocated memory is still 60.8MB. Free memory was 31.9MB in the beginning and 43.0MB in the end (delta: -11.1MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.04ms. Allocated memory is still 60.8MB. Free memory was 43.0MB in the beginning and 40.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 712.86ms. Allocated memory is still 60.8MB. Free memory was 40.7MB in the beginning and 34.9MB in the end (delta: 5.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:54:51,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c97eb719-6ef7-4440-959d-3ca428f2344b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable