./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326c46a-9909-48c7-9ca2-94aae65b9198/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326c46a-9909-48c7-9ca2-94aae65b9198/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326c46a-9909-48c7-9ca2-94aae65b9198/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326c46a-9909-48c7-9ca2-94aae65b9198/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/qrcu-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326c46a-9909-48c7-9ca2-94aae65b9198/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326c46a-9909-48c7-9ca2-94aae65b9198/bin/ukojak-LBtLqBUTdQ --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 0.2.1-dev-aef121e [2021-11-23 01:03:17,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:03:17,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:03:17,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:03:17,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:03:17,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:03:17,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:03:17,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:03:17,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:03:17,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:03:17,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:03:17,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:03:17,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:03:17,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:03:17,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:03:17,353 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:03:17,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:03:17,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:03:17,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:03:17,361 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:03:17,363 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:03:17,365 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:03:17,366 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:03:17,367 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:03:17,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:03:17,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:03:17,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:03:17,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:03:17,374 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:03:17,376 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:03:17,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:03:17,377 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:03:17,378 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:03:17,379 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:03:17,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:03:17,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:03:17,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:03:17,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:03:17,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:03:17,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:03:17,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:03:17,386 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326c46a-9909-48c7-9ca2-94aae65b9198/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:03:17,413 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:03:17,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:03:17,414 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:03:17,414 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:03:17,415 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:03:17,416 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:03:17,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:03:17,416 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:03:17,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:03:17,417 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:03:17,417 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:03:17,417 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:03:17,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:03:17,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:03:17,418 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:03:17,418 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:03:17,418 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:03:17,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:03:17,419 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:03:17,419 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:03:17,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:03:17,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:03:17,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:03:17,420 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:03:17,420 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:03:17,420 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:03:17,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:03:17,420 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:03:17,421 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_a326c46a-9909-48c7-9ca2-94aae65b9198/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326c46a-9909-48c7-9ca2-94aae65b9198/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3655f01df3eccc3acdb69c97e41dec3a3ff24ca3333b88921cb12b5b6c342936 [2021-11-23 01:03:17,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:03:17,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:03:17,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:03:17,749 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:03:17,750 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:03:17,753 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326c46a-9909-48c7-9ca2-94aae65b9198/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread-atomic/qrcu-1.i [2021-11-23 01:03:17,838 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326c46a-9909-48c7-9ca2-94aae65b9198/bin/ukojak-LBtLqBUTdQ/data/5cd740b16/3f73109828944c67a30fea98fcef3e83/FLAG0e2be7d52 [2021-11-23 01:03:18,396 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:03:18,396 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326c46a-9909-48c7-9ca2-94aae65b9198/sv-benchmarks/c/pthread-atomic/qrcu-1.i [2021-11-23 01:03:18,428 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326c46a-9909-48c7-9ca2-94aae65b9198/bin/ukojak-LBtLqBUTdQ/data/5cd740b16/3f73109828944c67a30fea98fcef3e83/FLAG0e2be7d52 [2021-11-23 01:03:18,691 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326c46a-9909-48c7-9ca2-94aae65b9198/bin/ukojak-LBtLqBUTdQ/data/5cd740b16/3f73109828944c67a30fea98fcef3e83 [2021-11-23 01:03:18,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:03:18,694 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:03:18,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:03:18,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:03:18,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:03:18,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:03:18" (1/1) ... [2021-11-23 01:03:18,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c51fa89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:18, skipping insertion in model container [2021-11-23 01:03:18,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:03:18" (1/1) ... [2021-11-23 01:03:18,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:03:18,750 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:03:19,199 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_a326c46a-9909-48c7-9ca2-94aae65b9198/sv-benchmarks/c/pthread-atomic/qrcu-1.i[30694,30707] [2021-11-23 01:03:19,204 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_a326c46a-9909-48c7-9ca2-94aae65b9198/sv-benchmarks/c/pthread-atomic/qrcu-1.i[30916,30929] [2021-11-23 01:03:19,221 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:03:19,232 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:03:19,263 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_a326c46a-9909-48c7-9ca2-94aae65b9198/sv-benchmarks/c/pthread-atomic/qrcu-1.i[30694,30707] [2021-11-23 01:03:19,265 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_a326c46a-9909-48c7-9ca2-94aae65b9198/sv-benchmarks/c/pthread-atomic/qrcu-1.i[30916,30929] [2021-11-23 01:03:19,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:03:19,315 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:03:19,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:19 WrapperNode [2021-11-23 01:03:19,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:03:19,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:03:19,317 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:03:19,317 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:03:19,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:19" (1/1) ... [2021-11-23 01:03:19,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:19" (1/1) ... [2021-11-23 01:03:19,402 INFO L137 Inliner]: procedures = 177, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 162 [2021-11-23 01:03:19,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:03:19,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:03:19,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:03:19,403 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:03:19,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:19" (1/1) ... [2021-11-23 01:03:19,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:19" (1/1) ... [2021-11-23 01:03:19,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:19" (1/1) ... [2021-11-23 01:03:19,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:19" (1/1) ... [2021-11-23 01:03:19,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:19" (1/1) ... [2021-11-23 01:03:19,451 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:19" (1/1) ... [2021-11-23 01:03:19,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:19" (1/1) ... [2021-11-23 01:03:19,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:03:19,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:03:19,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:03:19,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:03:19,479 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:19" (1/1) ... [2021-11-23 01:03:19,494 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:03:19,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326c46a-9909-48c7-9ca2-94aae65b9198/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:03:19,531 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326c46a-9909-48c7-9ca2-94aae65b9198/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:03:19,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326c46a-9909-48c7-9ca2-94aae65b9198/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:03:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2021-11-23 01:03:19,575 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2021-11-23 01:03:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2021-11-23 01:03:19,575 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2021-11-23 01:03:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:03:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_use_done [2021-11-23 01:03:19,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_use_done [2021-11-23 01:03:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:03:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_use2 [2021-11-23 01:03:19,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_use2 [2021-11-23 01:03:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_use1 [2021-11-23 01:03:19,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_use1 [2021-11-23 01:03:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2021-11-23 01:03:19,577 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2021-11-23 01:03:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 01:03:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:03:19,578 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:03:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:03:19,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:03:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:03:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:03:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:03:19,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:03:19,581 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 01:03:19,716 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:03:19,718 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:03:20,112 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:03:20,213 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:03:20,213 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 01:03:20,214 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_use2ENTRY is neither atomic block end nor a sink node. [2021-11-23 01:03:20,215 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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 01:03:20,220 INFO L158 Benchmark]: Toolchain (without parser) took 1524.65ms. Allocated memory was 104.9MB in the beginning and 127.9MB in the end (delta: 23.1MB). Free memory was 70.5MB in the beginning and 95.2MB in the end (delta: -24.6MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2021-11-23 01:03:20,221 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory was 60.0MB in the beginning and 60.0MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:03:20,222 INFO L158 Benchmark]: CACSL2BoogieTranslator took 619.83ms. Allocated memory is still 104.9MB. Free memory was 70.3MB in the beginning and 68.2MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:03:20,223 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.06ms. Allocated memory is still 104.9MB. Free memory was 68.2MB in the beginning and 65.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:03:20,223 INFO L158 Benchmark]: Boogie Preprocessor took 74.19ms. Allocated memory is still 104.9MB. Free memory was 65.6MB in the beginning and 64.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:03:20,225 INFO L158 Benchmark]: RCFGBuilder took 740.25ms. Allocated memory was 104.9MB in the beginning and 127.9MB in the end (delta: 23.1MB). Free memory was 63.7MB in the beginning and 95.2MB in the end (delta: -31.5MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2021-11-23 01:03:20,229 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory was 60.0MB in the beginning and 60.0MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 619.83ms. Allocated memory is still 104.9MB. Free memory was 70.3MB in the beginning and 68.2MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.06ms. Allocated memory is still 104.9MB. Free memory was 68.2MB in the beginning and 65.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.19ms. Allocated memory is still 104.9MB. Free memory was 65.6MB in the beginning and 64.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 740.25ms. Allocated memory was 104.9MB in the beginning and 127.9MB in the end (delta: 23.1MB). Free memory was 63.7MB in the beginning and 95.2MB in the end (delta: -31.5MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:03:20,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326c46a-9909-48c7-9ca2-94aae65b9198/bin/ukojak-LBtLqBUTdQ/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_a326c46a-9909-48c7-9ca2-94aae65b9198/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326c46a-9909-48c7-9ca2-94aae65b9198/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326c46a-9909-48c7-9ca2-94aae65b9198/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326c46a-9909-48c7-9ca2-94aae65b9198/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/qrcu-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326c46a-9909-48c7-9ca2-94aae65b9198/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326c46a-9909-48c7-9ca2-94aae65b9198/bin/ukojak-LBtLqBUTdQ --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 0.2.1-dev-aef121e [2021-11-23 01:03:22,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:03:22,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:03:22,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:03:22,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:03:22,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:03:22,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:03:22,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:03:22,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:03:22,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:03:22,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:03:22,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:03:22,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:03:22,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:03:22,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:03:22,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:03:22,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:03:22,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:03:22,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:03:22,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:03:22,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:03:22,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:03:22,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:03:22,814 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:03:22,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:03:22,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:03:22,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:03:22,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:03:22,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:03:22,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:03:22,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:03:22,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:03:22,830 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:03:22,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:03:22,833 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:03:22,833 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:03:22,834 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:03:22,834 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:03:22,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:03:22,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:03:22,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:03:22,838 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326c46a-9909-48c7-9ca2-94aae65b9198/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 01:03:22,879 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:03:22,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:03:22,880 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:03:22,881 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:03:22,882 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:03:22,882 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:03:22,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:03:22,883 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:03:22,883 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:03:22,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:03:22,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:03:22,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:03:22,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:03:22,886 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:03:22,886 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:03:22,886 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:03:22,886 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:03:22,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:03:22,887 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:03:22,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:03:22,888 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:03:22,888 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:03:22,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:03:22,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:03:22,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:03:22,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:03:22,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:03:22,890 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:03:22,890 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:03:22,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:03:22,890 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:03:22,891 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:03:22,891 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_a326c46a-9909-48c7-9ca2-94aae65b9198/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326c46a-9909-48c7-9ca2-94aae65b9198/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3655f01df3eccc3acdb69c97e41dec3a3ff24ca3333b88921cb12b5b6c342936 [2021-11-23 01:03:23,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:03:23,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:03:23,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:03:23,328 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:03:23,328 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:03:23,330 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326c46a-9909-48c7-9ca2-94aae65b9198/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread-atomic/qrcu-1.i [2021-11-23 01:03:23,402 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326c46a-9909-48c7-9ca2-94aae65b9198/bin/ukojak-LBtLqBUTdQ/data/4161a0e82/52e3a7e892c84a688aeabe9d6d171274/FLAG2b8c0ddb6 [2021-11-23 01:03:24,084 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:03:24,088 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326c46a-9909-48c7-9ca2-94aae65b9198/sv-benchmarks/c/pthread-atomic/qrcu-1.i [2021-11-23 01:03:24,114 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326c46a-9909-48c7-9ca2-94aae65b9198/bin/ukojak-LBtLqBUTdQ/data/4161a0e82/52e3a7e892c84a688aeabe9d6d171274/FLAG2b8c0ddb6 [2021-11-23 01:03:24,410 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326c46a-9909-48c7-9ca2-94aae65b9198/bin/ukojak-LBtLqBUTdQ/data/4161a0e82/52e3a7e892c84a688aeabe9d6d171274 [2021-11-23 01:03:24,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:03:24,415 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:03:24,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:03:24,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:03:24,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:03:24,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:03:24" (1/1) ... [2021-11-23 01:03:24,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5840ae4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:24, skipping insertion in model container [2021-11-23 01:03:24,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:03:24" (1/1) ... [2021-11-23 01:03:24,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:03:24,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:03:24,946 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_a326c46a-9909-48c7-9ca2-94aae65b9198/sv-benchmarks/c/pthread-atomic/qrcu-1.i[30694,30707] [2021-11-23 01:03:24,953 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_a326c46a-9909-48c7-9ca2-94aae65b9198/sv-benchmarks/c/pthread-atomic/qrcu-1.i[30916,30929] [2021-11-23 01:03:24,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:03:24,987 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:03:25,036 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_a326c46a-9909-48c7-9ca2-94aae65b9198/sv-benchmarks/c/pthread-atomic/qrcu-1.i[30694,30707] [2021-11-23 01:03:25,045 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_a326c46a-9909-48c7-9ca2-94aae65b9198/sv-benchmarks/c/pthread-atomic/qrcu-1.i[30916,30929] [2021-11-23 01:03:25,065 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:03:25,121 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:03:25,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:25 WrapperNode [2021-11-23 01:03:25,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:03:25,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:03:25,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:03:25,123 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:03:25,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:25" (1/1) ... [2021-11-23 01:03:25,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:25" (1/1) ... [2021-11-23 01:03:25,176 INFO L137 Inliner]: procedures = 181, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 159 [2021-11-23 01:03:25,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:03:25,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:03:25,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:03:25,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:03:25,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:25" (1/1) ... [2021-11-23 01:03:25,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:25" (1/1) ... [2021-11-23 01:03:25,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:25" (1/1) ... [2021-11-23 01:03:25,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:25" (1/1) ... [2021-11-23 01:03:25,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:25" (1/1) ... [2021-11-23 01:03:25,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:25" (1/1) ... [2021-11-23 01:03:25,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:25" (1/1) ... [2021-11-23 01:03:25,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:03:25,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:03:25,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:03:25,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:03:25,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:25" (1/1) ... [2021-11-23 01:03:25,271 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:03:25,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326c46a-9909-48c7-9ca2-94aae65b9198/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:03:25,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326c46a-9909-48c7-9ca2-94aae65b9198/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:03:25,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326c46a-9909-48c7-9ca2-94aae65b9198/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:03:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2021-11-23 01:03:25,366 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2021-11-23 01:03:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2021-11-23 01:03:25,366 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2021-11-23 01:03:25,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 01:03:25,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_use_done [2021-11-23 01:03:25,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_use_done [2021-11-23 01:03:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_use2 [2021-11-23 01:03:25,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_use2 [2021-11-23 01:03:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_use1 [2021-11-23 01:03:25,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_use1 [2021-11-23 01:03:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2021-11-23 01:03:25,369 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2021-11-23 01:03:25,369 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 01:03:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:03:25,370 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:03:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:03:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:03:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:03:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 01:03:25,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 01:03:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 01:03:25,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:03:25,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:03:25,373 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 01:03:25,565 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:03:25,566 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:03:25,880 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:03:25,957 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:03:25,957 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 01:03:25,958 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_use2ENTRY is neither atomic block end nor a sink node. [2021-11-23 01:03:25,959 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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 01:03:25,963 INFO L158 Benchmark]: Toolchain (without parser) took 1547.04ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 37.0MB in the beginning and 43.6MB in the end (delta: -6.6MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2021-11-23 01:03:25,964 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 60.8MB. Free memory was 41.9MB in the beginning and 41.8MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:03:25,964 INFO L158 Benchmark]: CACSL2BoogieTranslator took 704.33ms. Allocated memory is still 60.8MB. Free memory was 36.7MB in the beginning and 31.3MB in the end (delta: 5.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:03:25,965 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.62ms. Allocated memory is still 60.8MB. Free memory was 31.1MB in the beginning and 28.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:03:25,966 INFO L158 Benchmark]: Boogie Preprocessor took 86.20ms. Allocated memory is still 60.8MB. Free memory was 28.8MB in the beginning and 26.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:03:25,967 INFO L158 Benchmark]: RCFGBuilder took 697.07ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 26.5MB in the beginning and 43.6MB in the end (delta: -17.1MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2021-11-23 01:03:25,971 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 60.8MB. Free memory was 41.9MB in the beginning and 41.8MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 704.33ms. Allocated memory is still 60.8MB. Free memory was 36.7MB in the beginning and 31.3MB in the end (delta: 5.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.62ms. Allocated memory is still 60.8MB. Free memory was 31.1MB in the beginning and 28.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.20ms. Allocated memory is still 60.8MB. Free memory was 28.8MB in the beginning and 26.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 697.07ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 26.5MB in the beginning and 43.6MB in the end (delta: -17.1MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:03:26,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a326c46a-9909-48c7-9ca2-94aae65b9198/bin/ukojak-LBtLqBUTdQ/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: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?