./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-atomic/read_write_lock-2.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_61288480-5401-4e65-8249-c3d4843b9913/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61288480-5401-4e65-8249-c3d4843b9913/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_61288480-5401-4e65-8249-c3d4843b9913/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61288480-5401-4e65-8249-c3d4843b9913/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/read_write_lock-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61288480-5401-4e65-8249-c3d4843b9913/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_61288480-5401-4e65-8249-c3d4843b9913/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 3e2f466b16db44ce2fec1aabf9e70b4ab734ef2801c32e66d10c5bcbcceb5301 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:29:50,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:29:50,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:29:50,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:29:50,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:29:50,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:29:50,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:29:50,335 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:29:50,338 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:29:50,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:29:50,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:29:50,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:29:50,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:29:50,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:29:50,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:29:50,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:29:50,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:29:50,349 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:29:50,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:29:50,354 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:29:50,356 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:29:50,357 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:29:50,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:29:50,360 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:29:50,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:29:50,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:29:50,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:29:50,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:29:50,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:29:50,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:29:50,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:29:50,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:29:50,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:29:50,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:29:50,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:29:50,373 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:29:50,373 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:29:50,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:29:50,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:29:50,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:29:50,376 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:29:50,377 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61288480-5401-4e65-8249-c3d4843b9913/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:29:50,401 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:29:50,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:29:50,410 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:29:50,410 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:29:50,412 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:29:50,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:29:50,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:29:50,413 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:29:50,417 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:29:50,417 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:29:50,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:29:50,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:29:50,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:29:50,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:29:50,418 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:29:50,419 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:29:50,419 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:29:50,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:29:50,419 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:29:50,420 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:29:50,420 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:29:50,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:29:50,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:29:50,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:29:50,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:29:50,422 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:29:50,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:29:50,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:29:50,423 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_61288480-5401-4e65-8249-c3d4843b9913/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61288480-5401-4e65-8249-c3d4843b9913/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e2f466b16db44ce2fec1aabf9e70b4ab734ef2801c32e66d10c5bcbcceb5301 [2021-11-23 15:29:50,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:29:50,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:29:50,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:29:50,726 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:29:50,727 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:29:50,729 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61288480-5401-4e65-8249-c3d4843b9913/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-atomic/read_write_lock-2.i [2021-11-23 15:29:50,796 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61288480-5401-4e65-8249-c3d4843b9913/bin/ukojak-CwSLpZB5Qu/data/465703399/d49d23f2d51e49c0b2f0ea2a6958d8c4/FLAGaa4948fa4 [2021-11-23 15:29:51,260 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:29:51,260 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61288480-5401-4e65-8249-c3d4843b9913/sv-benchmarks/c/pthread-atomic/read_write_lock-2.i [2021-11-23 15:29:51,295 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61288480-5401-4e65-8249-c3d4843b9913/bin/ukojak-CwSLpZB5Qu/data/465703399/d49d23f2d51e49c0b2f0ea2a6958d8c4/FLAGaa4948fa4 [2021-11-23 15:29:51,597 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61288480-5401-4e65-8249-c3d4843b9913/bin/ukojak-CwSLpZB5Qu/data/465703399/d49d23f2d51e49c0b2f0ea2a6958d8c4 [2021-11-23 15:29:51,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:29:51,601 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:29:51,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:29:51,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:29:51,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:29:51,606 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:29:51" (1/1) ... [2021-11-23 15:29:51,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39c34e0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:51, skipping insertion in model container [2021-11-23 15:29:51,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:29:51" (1/1) ... [2021-11-23 15:29:51,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:29:51,667 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:29:51,882 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 15:29:52,018 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_61288480-5401-4e65-8249-c3d4843b9913/sv-benchmarks/c/pthread-atomic/read_write_lock-2.i[31244,31257] [2021-11-23 15:29:52,029 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:29:52,037 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:29:52,052 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 15:29:52,076 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_61288480-5401-4e65-8249-c3d4843b9913/sv-benchmarks/c/pthread-atomic/read_write_lock-2.i[31244,31257] [2021-11-23 15:29:52,083 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:29:52,123 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:29:52,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:52 WrapperNode [2021-11-23 15:29:52,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:29:52,125 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:29:52,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:29:52,126 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:29:52,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:52" (1/1) ... [2021-11-23 15:29:52,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:52" (1/1) ... [2021-11-23 15:29:52,172 INFO L137 Inliner]: procedures = 174, calls = 51, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 113 [2021-11-23 15:29:52,173 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:29:52,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:29:52,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:29:52,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:29:52,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:52" (1/1) ... [2021-11-23 15:29:52,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:52" (1/1) ... [2021-11-23 15:29:52,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:52" (1/1) ... [2021-11-23 15:29:52,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:52" (1/1) ... [2021-11-23 15:29:52,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:52" (1/1) ... [2021-11-23 15:29:52,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:52" (1/1) ... [2021-11-23 15:29:52,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:52" (1/1) ... [2021-11-23 15:29:52,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:29:52,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:29:52,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:29:52,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:29:52,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:52" (1/1) ... [2021-11-23 15:29:52,219 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:29:52,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61288480-5401-4e65-8249-c3d4843b9913/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:29:52,252 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61288480-5401-4e65-8249-c3d4843b9913/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:29:52,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61288480-5401-4e65-8249-c3d4843b9913/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:29:52,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:29:52,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:29:52,294 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:29:52,295 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:29:52,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:29:52,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:29:52,295 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2021-11-23 15:29:52,295 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2021-11-23 15:29:52,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:29:52,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:29:52,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:29:52,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:29:52,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:29:52,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:29:52,296 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2021-11-23 15:29:52,296 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2021-11-23 15:29:52,298 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 15:29:52,419 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:29:52,421 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:29:52,690 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:29:52,709 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 15:29:52,714 INFO L158 Benchmark]: Toolchain (without parser) took 1112.02ms. Allocated memory is still 96.5MB. Free memory was 58.7MB in the beginning and 47.8MB in the end (delta: 10.9MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2021-11-23 15:29:52,714 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 96.5MB. Free memory is still 76.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:29:52,715 INFO L158 Benchmark]: CACSL2BoogieTranslator took 522.32ms. Allocated memory is still 96.5MB. Free memory was 58.5MB in the beginning and 64.1MB in the end (delta: -5.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:29:52,716 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.71ms. Allocated memory is still 96.5MB. Free memory was 64.1MB in the beginning and 62.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:29:52,717 INFO L158 Benchmark]: Boogie Preprocessor took 25.76ms. Allocated memory is still 96.5MB. Free memory was 62.0MB in the beginning and 60.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:29:52,717 INFO L158 Benchmark]: RCFGBuilder took 511.80ms. Allocated memory is still 96.5MB. Free memory was 60.4MB in the beginning and 47.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:29:52,720 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 96.5MB. Free memory is still 76.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 522.32ms. Allocated memory is still 96.5MB. Free memory was 58.5MB in the beginning and 64.1MB in the end (delta: -5.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.71ms. Allocated memory is still 96.5MB. Free memory was 64.1MB in the beginning and 62.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.76ms. Allocated memory is still 96.5MB. Free memory was 62.0MB in the beginning and 60.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 511.80ms. Allocated memory is still 96.5MB. Free memory was 60.4MB in the beginning and 47.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. 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 15:29:52,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61288480-5401-4e65-8249-c3d4843b9913/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_61288480-5401-4e65-8249-c3d4843b9913/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61288480-5401-4e65-8249-c3d4843b9913/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_61288480-5401-4e65-8249-c3d4843b9913/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61288480-5401-4e65-8249-c3d4843b9913/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/read_write_lock-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61288480-5401-4e65-8249-c3d4843b9913/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_61288480-5401-4e65-8249-c3d4843b9913/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 3e2f466b16db44ce2fec1aabf9e70b4ab734ef2801c32e66d10c5bcbcceb5301 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:29:55,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:29:55,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:29:55,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:29:55,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:29:55,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:29:55,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:29:55,413 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:29:55,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:29:55,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:29:55,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:29:55,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:29:55,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:29:55,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:29:55,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:29:55,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:29:55,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:29:55,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:29:55,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:29:55,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:29:55,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:29:55,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:29:55,469 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:29:55,470 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:29:55,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:29:55,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:29:55,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:29:55,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:29:55,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:29:55,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:29:55,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:29:55,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:29:55,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:29:55,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:29:55,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:29:55,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:29:55,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:29:55,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:29:55,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:29:55,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:29:55,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:29:55,489 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61288480-5401-4e65-8249-c3d4843b9913/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:29:55,516 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:29:55,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:29:55,517 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:29:55,518 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:29:55,518 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:29:55,519 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:29:55,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:29:55,519 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:29:55,520 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:29:55,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:29:55,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:29:55,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:29:55,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:29:55,521 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:29:55,521 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:29:55,522 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:29:55,522 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:29:55,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:29:55,522 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:29:55,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:29:55,523 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:29:55,523 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:29:55,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:29:55,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:29:55,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:29:55,524 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:29:55,525 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:29:55,525 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:29:55,525 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:29:55,525 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:29:55,526 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:29:55,526 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:29:55,526 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_61288480-5401-4e65-8249-c3d4843b9913/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61288480-5401-4e65-8249-c3d4843b9913/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e2f466b16db44ce2fec1aabf9e70b4ab734ef2801c32e66d10c5bcbcceb5301 [2021-11-23 15:29:55,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:29:55,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:29:55,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:29:55,984 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:29:55,985 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:29:55,989 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61288480-5401-4e65-8249-c3d4843b9913/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread-atomic/read_write_lock-2.i [2021-11-23 15:29:56,071 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61288480-5401-4e65-8249-c3d4843b9913/bin/ukojak-CwSLpZB5Qu/data/f19e70ef9/6774e692346d4823a4f4507e2ce1c227/FLAGfadb3aefd [2021-11-23 15:29:56,800 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:29:56,801 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61288480-5401-4e65-8249-c3d4843b9913/sv-benchmarks/c/pthread-atomic/read_write_lock-2.i [2021-11-23 15:29:56,820 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61288480-5401-4e65-8249-c3d4843b9913/bin/ukojak-CwSLpZB5Qu/data/f19e70ef9/6774e692346d4823a4f4507e2ce1c227/FLAGfadb3aefd [2021-11-23 15:29:57,037 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61288480-5401-4e65-8249-c3d4843b9913/bin/ukojak-CwSLpZB5Qu/data/f19e70ef9/6774e692346d4823a4f4507e2ce1c227 [2021-11-23 15:29:57,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:29:57,041 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:29:57,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:29:57,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:29:57,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:29:57,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:29:57" (1/1) ... [2021-11-23 15:29:57,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ac6fcd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:57, skipping insertion in model container [2021-11-23 15:29:57,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:29:57" (1/1) ... [2021-11-23 15:29:57,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:29:57,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:29:57,282 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 15:29:57,487 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_61288480-5401-4e65-8249-c3d4843b9913/sv-benchmarks/c/pthread-atomic/read_write_lock-2.i[31244,31257] [2021-11-23 15:29:57,498 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:29:57,511 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:29:57,529 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 15:29:57,554 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_61288480-5401-4e65-8249-c3d4843b9913/sv-benchmarks/c/pthread-atomic/read_write_lock-2.i[31244,31257] [2021-11-23 15:29:57,560 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:29:57,605 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:29:57,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:57 WrapperNode [2021-11-23 15:29:57,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:29:57,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:29:57,607 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:29:57,608 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:29:57,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:57" (1/1) ... [2021-11-23 15:29:57,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:57" (1/1) ... [2021-11-23 15:29:57,662 INFO L137 Inliner]: procedures = 177, calls = 51, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 114 [2021-11-23 15:29:57,663 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:29:57,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:29:57,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:29:57,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:29:57,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:57" (1/1) ... [2021-11-23 15:29:57,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:57" (1/1) ... [2021-11-23 15:29:57,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:57" (1/1) ... [2021-11-23 15:29:57,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:57" (1/1) ... [2021-11-23 15:29:57,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:57" (1/1) ... [2021-11-23 15:29:57,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:57" (1/1) ... [2021-11-23 15:29:57,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:57" (1/1) ... [2021-11-23 15:29:57,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:29:57,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:29:57,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:29:57,701 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:29:57,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:57" (1/1) ... [2021-11-23 15:29:57,710 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:29:57,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61288480-5401-4e65-8249-c3d4843b9913/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:29:57,751 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61288480-5401-4e65-8249-c3d4843b9913/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:29:57,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61288480-5401-4e65-8249-c3d4843b9913/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:29:57,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:29:57,806 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:29:57,806 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:29:57,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:29:57,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:29:57,806 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2021-11-23 15:29:57,808 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2021-11-23 15:29:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:29:57,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:29:57,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:29:57,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:29:57,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:29:57,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:29:57,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:29:57,811 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2021-11-23 15:29:57,811 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2021-11-23 15:29:57,813 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 15:29:58,000 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:29:58,002 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:29:58,255 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:29:58,279 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 15:29:58,282 INFO L158 Benchmark]: Toolchain (without parser) took 1240.18ms. Allocated memory is still 65.0MB. Free memory was 43.3MB in the beginning and 38.0MB in the end (delta: 5.3MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2021-11-23 15:29:58,283 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 65.0MB. Free memory is still 45.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:29:58,284 INFO L158 Benchmark]: CACSL2BoogieTranslator took 563.43ms. Allocated memory is still 65.0MB. Free memory was 43.1MB in the beginning and 37.7MB in the end (delta: 5.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:29:58,285 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.45ms. Allocated memory is still 65.0MB. Free memory was 37.5MB in the beginning and 35.3MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:29:58,286 INFO L158 Benchmark]: Boogie Preprocessor took 37.08ms. Allocated memory is still 65.0MB. Free memory was 35.3MB in the beginning and 33.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:29:58,286 INFO L158 Benchmark]: RCFGBuilder took 579.60ms. Allocated memory is still 65.0MB. Free memory was 33.6MB in the beginning and 38.0MB in the end (delta: -4.4MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2021-11-23 15:29:58,290 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 65.0MB. Free memory is still 45.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 563.43ms. Allocated memory is still 65.0MB. Free memory was 43.1MB in the beginning and 37.7MB in the end (delta: 5.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.45ms. Allocated memory is still 65.0MB. Free memory was 37.5MB in the beginning and 35.3MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.08ms. Allocated memory is still 65.0MB. Free memory was 35.3MB in the beginning and 33.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 579.60ms. Allocated memory is still 65.0MB. Free memory was 33.6MB in the beginning and 38.0MB in the end (delta: -4.4MB). Peak memory consumption was 7.9MB. 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 15:29:58,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61288480-5401-4e65-8249-c3d4843b9913/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