./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-atomic/qrcu-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_881ca59e-41aa-43d4-9ebe-ab629923ff3a/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_881ca59e-41aa-43d4-9ebe-ab629923ff3a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_881ca59e-41aa-43d4-9ebe-ab629923ff3a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_881ca59e-41aa-43d4-9ebe-ab629923ff3a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/qrcu-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_881ca59e-41aa-43d4-9ebe-ab629923ff3a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_881ca59e-41aa-43d4-9ebe-ab629923ff3a/bin/ukojak --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 5673895c5fc66df893e7d6b119c1b0d457c2bfab ............................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_881ca59e-41aa-43d4-9ebe-ab629923ff3a/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_881ca59e-41aa-43d4-9ebe-ab629923ff3a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_881ca59e-41aa-43d4-9ebe-ab629923ff3a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_881ca59e-41aa-43d4-9ebe-ab629923ff3a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/qrcu-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_881ca59e-41aa-43d4-9ebe-ab629923ff3a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_881ca59e-41aa-43d4-9ebe-ab629923ff3a/bin/ukojak --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 5673895c5fc66df893e7d6b119c1b0d457c2bfab .................................................................................................................................................................................................................. 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? --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:32:42,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:32:42,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:32:42,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:32:42,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:32:42,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:32:42,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:32:42,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:32:42,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:32:42,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:32:42,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:32:42,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:32:42,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:32:42,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:32:42,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:32:42,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:32:42,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:32:42,545 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:32:42,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:32:42,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:32:42,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:32:42,558 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:32:42,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:32:42,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:32:42,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:32:42,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:32:42,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:32:42,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:32:42,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:32:42,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:32:42,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:32:42,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:32:42,575 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:32:42,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:32:42,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:32:42,579 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:32:42,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:32:42,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:32:42,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:32:42,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:32:42,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:32:42,589 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_881ca59e-41aa-43d4-9ebe-ab629923ff3a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 01:32:42,650 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:32:42,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:32:42,656 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:32:42,657 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 01:32:42,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:32:42,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:32:42,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:32:42,659 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:32:42,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:32:42,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:32:42,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:32:42,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:32:42,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:32:42,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:32:42,663 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:32:42,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:32:42,663 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:32:42,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:32:42,664 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 01:32:42,664 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 01:32:42,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:32:42,665 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:32:42,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:32:42,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:32:42,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:32:42,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:32:42,667 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 01:32:42,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:32:42,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:32:42,668 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-vcloud-master/worker/run_dir_881ca59e-41aa-43d4-9ebe-ab629923ff3a/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_881ca59e-41aa-43d4-9ebe-ab629923ff3a/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5673895c5fc66df893e7d6b119c1b0d457c2bfab [2020-11-30 01:32:43,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:32:43,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:32:43,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:32:43,061 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:32:43,063 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:32:43,064 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_881ca59e-41aa-43d4-9ebe-ab629923ff3a/bin/ukojak/../../sv-benchmarks/c/pthread-atomic/qrcu-2.i [2020-11-30 01:32:43,162 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_881ca59e-41aa-43d4-9ebe-ab629923ff3a/bin/ukojak/data/1dcf16fba/512e8c2300264dd090cee992d4e84188/FLAGde7cf5d50 [2020-11-30 01:32:43,813 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:32:43,814 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_881ca59e-41aa-43d4-9ebe-ab629923ff3a/sv-benchmarks/c/pthread-atomic/qrcu-2.i [2020-11-30 01:32:43,834 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_881ca59e-41aa-43d4-9ebe-ab629923ff3a/bin/ukojak/data/1dcf16fba/512e8c2300264dd090cee992d4e84188/FLAGde7cf5d50 [2020-11-30 01:32:44,063 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_881ca59e-41aa-43d4-9ebe-ab629923ff3a/bin/ukojak/data/1dcf16fba/512e8c2300264dd090cee992d4e84188 [2020-11-30 01:32:44,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:32:44,072 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:32:44,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:32:44,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:32:44,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:32:44,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:32:44" (1/1) ... [2020-11-30 01:32:44,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76a475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:44, skipping insertion in model container [2020-11-30 01:32:44,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:32:44" (1/1) ... [2020-11-30 01:32:44,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:32:44,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:32:44,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:32:44,759 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:32:44,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:32:44,951 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:32:44,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:44 WrapperNode [2020-11-30 01:32:44,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:32:44,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:32:44,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:32:44,957 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:32:44,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:44" (1/1) ... [2020-11-30 01:32:45,006 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:44" (1/1) ... [2020-11-30 01:32:45,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:32:45,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:32:45,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:32:45,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:32:45,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:44" (1/1) ... [2020-11-30 01:32:45,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:44" (1/1) ... [2020-11-30 01:32:45,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:44" (1/1) ... [2020-11-30 01:32:45,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:44" (1/1) ... [2020-11-30 01:32:45,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:44" (1/1) ... [2020-11-30 01:32:45,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:44" (1/1) ... [2020-11-30 01:32:45,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:44" (1/1) ... [2020-11-30 01:32:45,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:32:45,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:32:45,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:32:45,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:32:45,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_881ca59e-41aa-43d4-9ebe-ab629923ff3a/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:32:45,186 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-30 01:32:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-30 01:32:45,187 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2020-11-30 01:32:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2020-11-30 01:32:45,187 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2020-11-30 01:32:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2020-11-30 01:32:45,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 01:32:45,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_use_done [2020-11-30 01:32:45,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_use_done [2020-11-30 01:32:45,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 01:32:45,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_use2 [2020-11-30 01:32:45,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_use2 [2020-11-30 01:32:45,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_use1 [2020-11-30 01:32:45,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_use1 [2020-11-30 01:32:45,189 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2020-11-30 01:32:45,189 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2020-11-30 01:32:45,190 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-11-30 01:32:45,190 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-11-30 01:32:45,190 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-11-30 01:32:45,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:32:45,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:32:45,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:32:45,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:32:45,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:32:45,193 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-30 01:32:46,553 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:32:46,553 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-30 01:32:46,554 WARN L322 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_use2ENTRY is neither atomic block end nor error location. [2020-11-30 01:32:46,556 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:301) 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) [2020-11-30 01:32:46,562 INFO L168 Benchmark]: Toolchain (without parser) took 2488.43 ms. Allocated memory was 81.8 MB in the beginning and 113.2 MB in the end (delta: 31.5 MB). Free memory was 49.7 MB in the beginning and 61.1 MB in the end (delta: -11.4 MB). Peak memory consumption was 46.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:46,563 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 81.8 MB. Free memory was 51.6 MB in the beginning and 51.6 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:32:46,564 INFO L168 Benchmark]: CACSL2BoogieTranslator took 880.29 ms. Allocated memory was 81.8 MB in the beginning and 113.2 MB in the end (delta: 31.5 MB). Free memory was 49.4 MB in the beginning and 67.7 MB in the end (delta: -18.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:46,565 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.99 ms. Allocated memory is still 113.2 MB. Free memory was 67.7 MB in the beginning and 65.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:46,566 INFO L168 Benchmark]: Boogie Preprocessor took 42.72 ms. Allocated memory is still 113.2 MB. Free memory was 65.6 MB in the beginning and 63.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:46,567 INFO L168 Benchmark]: RCFGBuilder took 1457.53 ms. Allocated memory is still 113.2 MB. Free memory was 63.6 MB in the beginning and 61.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:46,572 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 81.8 MB. Free memory was 51.6 MB in the beginning and 51.6 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 880.29 ms. Allocated memory was 81.8 MB in the beginning and 113.2 MB in the end (delta: 31.5 MB). Free memory was 49.4 MB in the beginning and 67.7 MB in the end (delta: -18.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 100.99 ms. Allocated memory is still 113.2 MB. Free memory was 67.7 MB in the beginning and 65.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.72 ms. Allocated memory is still 113.2 MB. Free memory was 65.6 MB in the beginning and 63.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1457.53 ms. Allocated memory is still 113.2 MB. Free memory was 63.6 MB in the beginning and 61.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. * 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:301) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:32:49,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:32:49,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:32:49,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:32:49,759 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:32:49,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:32:49,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:32:49,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:32:49,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:32:49,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:32:49,772 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:32:49,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:32:49,782 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:32:49,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:32:49,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:32:49,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:32:49,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:32:49,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:32:49,794 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:32:49,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:32:49,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:32:49,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:32:49,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:32:49,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:32:49,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:32:49,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:32:49,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:32:49,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:32:49,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:32:49,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:32:49,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:32:49,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:32:49,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:32:49,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:32:49,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:32:49,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:32:49,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:32:49,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:32:49,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:32:49,824 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:32:49,825 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:32:49,826 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_881ca59e-41aa-43d4-9ebe-ab629923ff3a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-11-30 01:32:49,859 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:32:49,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:32:49,861 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:32:49,861 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 01:32:49,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:32:49,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:32:49,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:32:49,863 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 01:32:49,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 01:32:49,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:32:49,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:32:49,864 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:32:49,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:32:49,865 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 01:32:49,865 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 01:32:49,866 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 01:32:49,866 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 01:32:49,866 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:32:49,866 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:32:49,867 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:32:49,867 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 01:32:49,867 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 01:32:49,867 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:32:49,868 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:32:49,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:32:49,868 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:32:49,868 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:32:49,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:32:49,869 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-30 01:32:49,869 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 01:32:49,869 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:32:49,870 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-30 01:32:49,870 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:32:49,870 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-vcloud-master/worker/run_dir_881ca59e-41aa-43d4-9ebe-ab629923ff3a/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_881ca59e-41aa-43d4-9ebe-ab629923ff3a/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5673895c5fc66df893e7d6b119c1b0d457c2bfab [2020-11-30 01:32:50,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:32:50,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:32:50,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:32:50,371 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:32:50,372 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:32:50,374 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_881ca59e-41aa-43d4-9ebe-ab629923ff3a/bin/ukojak/../../sv-benchmarks/c/pthread-atomic/qrcu-2.i [2020-11-30 01:32:50,472 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_881ca59e-41aa-43d4-9ebe-ab629923ff3a/bin/ukojak/data/caaef64ca/534a7f3c835941ce8dc28b7270ca6325/FLAG97451c542 [2020-11-30 01:32:51,214 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:32:51,215 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_881ca59e-41aa-43d4-9ebe-ab629923ff3a/sv-benchmarks/c/pthread-atomic/qrcu-2.i [2020-11-30 01:32:51,241 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_881ca59e-41aa-43d4-9ebe-ab629923ff3a/bin/ukojak/data/caaef64ca/534a7f3c835941ce8dc28b7270ca6325/FLAG97451c542 [2020-11-30 01:32:51,425 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_881ca59e-41aa-43d4-9ebe-ab629923ff3a/bin/ukojak/data/caaef64ca/534a7f3c835941ce8dc28b7270ca6325 [2020-11-30 01:32:51,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:32:51,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:32:51,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:32:51,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:32:51,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:32:51,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:32:51" (1/1) ... [2020-11-30 01:32:51,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@682dd207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:51, skipping insertion in model container [2020-11-30 01:32:51,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:32:51" (1/1) ... [2020-11-30 01:32:51,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:32:51,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:32:52,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:32:52,093 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:32:52,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:32:52,353 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:32:52,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:52 WrapperNode [2020-11-30 01:32:52,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:32:52,356 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:32:52,356 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:32:52,356 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:32:52,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:52" (1/1) ... [2020-11-30 01:32:52,391 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:52" (1/1) ... [2020-11-30 01:32:52,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:32:52,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:32:52,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:32:52,427 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:32:52,438 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:52" (1/1) ... [2020-11-30 01:32:52,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:52" (1/1) ... [2020-11-30 01:32:52,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:52" (1/1) ... [2020-11-30 01:32:52,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:52" (1/1) ... [2020-11-30 01:32:52,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:52" (1/1) ... [2020-11-30 01:32:52,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:52" (1/1) ... [2020-11-30 01:32:52,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:52" (1/1) ... [2020-11-30 01:32:52,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:32:52,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:32:52,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:32:52,485 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:32:52,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:32:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_881ca59e-41aa-43d4-9ebe-ab629923ff3a/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 01:32:52,573 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-30 01:32:52,574 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-30 01:32:52,574 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2020-11-30 01:32:52,574 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2020-11-30 01:32:52,574 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2020-11-30 01:32:52,575 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2020-11-30 01:32:52,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 01:32:52,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_use_done [2020-11-30 01:32:52,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_use_done [2020-11-30 01:32:52,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_use2 [2020-11-30 01:32:52,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_use2 [2020-11-30 01:32:52,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_use1 [2020-11-30 01:32:52,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_use1 [2020-11-30 01:32:52,577 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2020-11-30 01:32:52,577 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2020-11-30 01:32:52,577 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-11-30 01:32:52,577 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-11-30 01:32:52,578 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-11-30 01:32:52,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:32:52,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:32:52,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 01:32:52,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 01:32:52,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2020-11-30 01:32:52,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:32:52,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:32:52,581 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-30 01:32:53,947 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:32:53,948 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-30 01:32:53,949 WARN L322 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_use2ENTRY is neither atomic block end nor error location. [2020-11-30 01:32:53,950 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:301) 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) [2020-11-30 01:32:53,956 INFO L168 Benchmark]: Toolchain (without parser) took 2521.94 ms. Allocated memory was 54.5 MB in the beginning and 81.8 MB in the end (delta: 27.3 MB). Free memory was 31.8 MB in the beginning and 48.3 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:53,957 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 54.5 MB. Free memory was 36.5 MB in the beginning and 36.4 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:32:53,958 INFO L168 Benchmark]: CACSL2BoogieTranslator took 915.94 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.4 MB in the beginning and 43.8 MB in the end (delta: -12.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:53,959 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.11 ms. Allocated memory is still 67.1 MB. Free memory was 43.8 MB in the beginning and 41.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:53,960 INFO L168 Benchmark]: Boogie Preprocessor took 56.45 ms. Allocated memory is still 67.1 MB. Free memory was 41.4 MB in the beginning and 39.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:53,961 INFO L168 Benchmark]: RCFGBuilder took 1469.53 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 39.3 MB in the beginning and 48.3 MB in the end (delta: -8.9 MB). Peak memory consumption was 14.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:32:53,966 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 54.5 MB. Free memory was 36.5 MB in the beginning and 36.4 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 915.94 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.4 MB in the beginning and 43.8 MB in the end (delta: -12.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.11 ms. Allocated memory is still 67.1 MB. Free memory was 43.8 MB in the beginning and 41.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.45 ms. Allocated memory is still 67.1 MB. Free memory was 41.4 MB in the beginning and 39.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1469.53 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 39.3 MB in the beginning and 48.3 MB in the end (delta: -8.9 MB). Peak memory consumption was 14.5 MB. Max. memory is 16.1 GB. * 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:301) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...