./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 dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee68bf4e-5213-4259-b2c9-372bdc096c91/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee68bf4e-5213-4259-b2c9-372bdc096c91/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee68bf4e-5213-4259-b2c9-372bdc096c91/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee68bf4e-5213-4259-b2c9-372bdc096c91/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/qrcu-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee68bf4e-5213-4259-b2c9-372bdc096c91/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee68bf4e-5213-4259-b2c9-372bdc096c91/bin/ukojak-92XMlrwhuB --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:04:05,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:04:05,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:04:05,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:04:05,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:04:05,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:04:05,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:04:05,864 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:04:05,867 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:04:05,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:04:05,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:04:05,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:04:05,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:04:05,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:04:05,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:04:05,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:04:05,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:04:05,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:04:05,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:04:05,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:04:05,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:04:05,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:04:05,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:04:05,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:04:05,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:04:05,915 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:04:05,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:04:05,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:04:05,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:04:05,919 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:04:05,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:04:05,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:04:05,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:04:05,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:04:05,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:04:05,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:04:05,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:04:05,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:04:05,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:04:05,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:04:05,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:04:05,930 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee68bf4e-5213-4259-b2c9-372bdc096c91/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:04:05,982 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:04:05,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:04:05,984 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:04:05,984 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:04:05,985 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:04:05,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:04:05,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:04:05,986 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:04:05,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:04:05,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:04:05,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:04:05,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:04:05,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:04:05,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:04:05,988 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:04:05,988 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:04:05,988 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:04:05,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:04:05,989 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:04:05,989 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:04:05,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:04:05,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:04:05,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:04:05,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:04:05,990 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:04:05,990 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:04:05,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:04:05,990 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:04:05,991 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_ee68bf4e-5213-4259-b2c9-372bdc096c91/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee68bf4e-5213-4259-b2c9-372bdc096c91/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3655f01df3eccc3acdb69c97e41dec3a3ff24ca3333b88921cb12b5b6c342936 [2022-10-17 17:04:06,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:04:06,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:04:06,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:04:06,283 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:04:06,284 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:04:06,285 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee68bf4e-5213-4259-b2c9-372bdc096c91/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread-atomic/qrcu-1.i [2022-10-17 17:04:06,349 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee68bf4e-5213-4259-b2c9-372bdc096c91/bin/ukojak-92XMlrwhuB/data/cdce062ec/3423a13972574d04b2cbe7d83da24ef5/FLAGd157462f5 [2022-10-17 17:04:06,993 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:04:06,994 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee68bf4e-5213-4259-b2c9-372bdc096c91/sv-benchmarks/c/pthread-atomic/qrcu-1.i [2022-10-17 17:04:07,020 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee68bf4e-5213-4259-b2c9-372bdc096c91/bin/ukojak-92XMlrwhuB/data/cdce062ec/3423a13972574d04b2cbe7d83da24ef5/FLAGd157462f5 [2022-10-17 17:04:07,251 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee68bf4e-5213-4259-b2c9-372bdc096c91/bin/ukojak-92XMlrwhuB/data/cdce062ec/3423a13972574d04b2cbe7d83da24ef5 [2022-10-17 17:04:07,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:04:07,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:04:07,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:04:07,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:04:07,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:04:07,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:04:07" (1/1) ... [2022-10-17 17:04:07,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f2a5530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:07, skipping insertion in model container [2022-10-17 17:04:07,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:04:07" (1/1) ... [2022-10-17 17:04:07,274 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:04:07,338 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:04:07,786 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_ee68bf4e-5213-4259-b2c9-372bdc096c91/sv-benchmarks/c/pthread-atomic/qrcu-1.i[30694,30707] [2022-10-17 17:04:07,792 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_ee68bf4e-5213-4259-b2c9-372bdc096c91/sv-benchmarks/c/pthread-atomic/qrcu-1.i[30916,30929] [2022-10-17 17:04:07,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:04:07,839 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:04:07,898 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_ee68bf4e-5213-4259-b2c9-372bdc096c91/sv-benchmarks/c/pthread-atomic/qrcu-1.i[30694,30707] [2022-10-17 17:04:07,901 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_ee68bf4e-5213-4259-b2c9-372bdc096c91/sv-benchmarks/c/pthread-atomic/qrcu-1.i[30916,30929] [2022-10-17 17:04:07,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:04:07,978 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:04:07,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:07 WrapperNode [2022-10-17 17:04:07,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:04:07,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:04:07,981 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:04:07,982 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:04:07,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:07" (1/1) ... [2022-10-17 17:04:08,029 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:07" (1/1) ... [2022-10-17 17:04:08,069 INFO L138 Inliner]: procedures = 177, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 162 [2022-10-17 17:04:08,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:04:08,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:04:08,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:04:08,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:04:08,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:07" (1/1) ... [2022-10-17 17:04:08,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:07" (1/1) ... [2022-10-17 17:04:08,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:07" (1/1) ... [2022-10-17 17:04:08,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:07" (1/1) ... [2022-10-17 17:04:08,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:07" (1/1) ... [2022-10-17 17:04:08,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:07" (1/1) ... [2022-10-17 17:04:08,139 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:07" (1/1) ... [2022-10-17 17:04:08,141 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:07" (1/1) ... [2022-10-17 17:04:08,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:04:08,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:04:08,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:04:08,146 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:04:08,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:07" (1/1) ... [2022-10-17 17:04:08,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:04:08,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee68bf4e-5213-4259-b2c9-372bdc096c91/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:04:08,192 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee68bf4e-5213-4259-b2c9-372bdc096c91/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:04:08,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee68bf4e-5213-4259-b2c9-372bdc096c91/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:04:08,240 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2022-10-17 17:04:08,241 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2022-10-17 17:04:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2022-10-17 17:04:08,241 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2022-10-17 17:04:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:04:08,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_use_done [2022-10-17 17:04:08,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_use_done [2022-10-17 17:04:08,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:04:08,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_use2 [2022-10-17 17:04:08,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_use2 [2022-10-17 17:04:08,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_use1 [2022-10-17 17:04:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_use1 [2022-10-17 17:04:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2022-10-17 17:04:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2022-10-17 17:04:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-10-17 17:04:08,243 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:04:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:04:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:04:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:04:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:04:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:04:08,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:04:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:04:08,246 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 17:04:08,432 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:04:08,434 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:04:08,842 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:04:08,939 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:04:08,939 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 17:04:08,940 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_use2ENTRY is neither atomic block end nor a sink node. [2022-10-17 17:04:08,941 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:303) 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) [2022-10-17 17:04:08,945 INFO L158 Benchmark]: Toolchain (without parser) took 1688.80ms. Allocated memory is still 100.7MB. Free memory was 74.5MB in the beginning and 55.4MB in the end (delta: 19.1MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2022-10-17 17:04:08,946 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 79.7MB. Free memory is still 54.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:04:08,946 INFO L158 Benchmark]: CACSL2BoogieTranslator took 723.75ms. Allocated memory is still 100.7MB. Free memory was 74.5MB in the beginning and 62.9MB in the end (delta: 11.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 17:04:08,947 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.00ms. Allocated memory is still 100.7MB. Free memory was 62.7MB in the beginning and 60.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:04:08,948 INFO L158 Benchmark]: Boogie Preprocessor took 74.34ms. Allocated memory is still 100.7MB. Free memory was 60.4MB in the beginning and 58.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:04:08,949 INFO L158 Benchmark]: RCFGBuilder took 797.27ms. Allocated memory is still 100.7MB. Free memory was 58.2MB in the beginning and 55.4MB in the end (delta: 2.8MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2022-10-17 17:04:08,952 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 79.7MB. Free memory is still 54.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 723.75ms. Allocated memory is still 100.7MB. Free memory was 74.5MB in the beginning and 62.9MB in the end (delta: 11.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.00ms. Allocated memory is still 100.7MB. Free memory was 62.7MB in the beginning and 60.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.34ms. Allocated memory is still 100.7MB. Free memory was 60.4MB in the beginning and 58.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 797.27ms. Allocated memory is still 100.7MB. Free memory was 58.2MB in the beginning and 55.4MB in the end (delta: 2.8MB). Peak memory consumption was 13.2MB. 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:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 17:04:09,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee68bf4e-5213-4259-b2c9-372bdc096c91/bin/ukojak-92XMlrwhuB/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_ee68bf4e-5213-4259-b2c9-372bdc096c91/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee68bf4e-5213-4259-b2c9-372bdc096c91/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee68bf4e-5213-4259-b2c9-372bdc096c91/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee68bf4e-5213-4259-b2c9-372bdc096c91/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-atomic/qrcu-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee68bf4e-5213-4259-b2c9-372bdc096c91/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee68bf4e-5213-4259-b2c9-372bdc096c91/bin/ukojak-92XMlrwhuB --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:04:11,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:04:11,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:04:11,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:04:11,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:04:11,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:04:11,476 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:04:11,482 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:04:11,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:04:11,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:04:11,499 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:04:11,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:04:11,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:04:11,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:04:11,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:04:11,509 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:04:11,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:04:11,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:04:11,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:04:11,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:04:11,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:04:11,533 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:04:11,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:04:11,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:04:11,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:04:11,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:04:11,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:04:11,548 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:04:11,549 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:04:11,550 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:04:11,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:04:11,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:04:11,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:04:11,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:04:11,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:04:11,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:04:11,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:04:11,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:04:11,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:04:11,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:04:11,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:04:11,562 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee68bf4e-5213-4259-b2c9-372bdc096c91/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 17:04:11,611 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:04:11,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:04:11,614 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:04:11,614 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:04:11,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:04:11,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:04:11,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:04:11,616 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:04:11,617 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:04:11,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:04:11,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:04:11,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:04:11,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:04:11,619 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 17:04:11,619 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 17:04:11,619 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 17:04:11,619 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:04:11,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:04:11,620 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:04:11,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:04:11,620 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:04:11,620 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:04:11,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:04:11,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:04:11,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:04:11,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:04:11,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:04:11,622 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 17:04:11,622 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 17:04:11,622 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:04:11,623 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 17:04:11,623 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 17:04:11,623 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_ee68bf4e-5213-4259-b2c9-372bdc096c91/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee68bf4e-5213-4259-b2c9-372bdc096c91/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3655f01df3eccc3acdb69c97e41dec3a3ff24ca3333b88921cb12b5b6c342936 [2022-10-17 17:04:12,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:04:12,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:04:12,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:04:12,120 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:04:12,121 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:04:12,124 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee68bf4e-5213-4259-b2c9-372bdc096c91/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread-atomic/qrcu-1.i [2022-10-17 17:04:12,207 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee68bf4e-5213-4259-b2c9-372bdc096c91/bin/ukojak-92XMlrwhuB/data/71259c019/d1408fc5125645bfa348e0819d49756f/FLAG50bd590f6 [2022-10-17 17:04:12,850 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:04:12,850 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee68bf4e-5213-4259-b2c9-372bdc096c91/sv-benchmarks/c/pthread-atomic/qrcu-1.i [2022-10-17 17:04:12,865 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee68bf4e-5213-4259-b2c9-372bdc096c91/bin/ukojak-92XMlrwhuB/data/71259c019/d1408fc5125645bfa348e0819d49756f/FLAG50bd590f6 [2022-10-17 17:04:13,140 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee68bf4e-5213-4259-b2c9-372bdc096c91/bin/ukojak-92XMlrwhuB/data/71259c019/d1408fc5125645bfa348e0819d49756f [2022-10-17 17:04:13,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:04:13,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:04:13,148 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:04:13,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:04:13,152 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:04:13,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:04:13" (1/1) ... [2022-10-17 17:04:13,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@119d8421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:13, skipping insertion in model container [2022-10-17 17:04:13,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:04:13" (1/1) ... [2022-10-17 17:04:13,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:04:13,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:04:13,672 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_ee68bf4e-5213-4259-b2c9-372bdc096c91/sv-benchmarks/c/pthread-atomic/qrcu-1.i[30694,30707] [2022-10-17 17:04:13,684 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_ee68bf4e-5213-4259-b2c9-372bdc096c91/sv-benchmarks/c/pthread-atomic/qrcu-1.i[30916,30929] [2022-10-17 17:04:13,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:04:13,737 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:04:13,779 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_ee68bf4e-5213-4259-b2c9-372bdc096c91/sv-benchmarks/c/pthread-atomic/qrcu-1.i[30694,30707] [2022-10-17 17:04:13,780 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_ee68bf4e-5213-4259-b2c9-372bdc096c91/sv-benchmarks/c/pthread-atomic/qrcu-1.i[30916,30929] [2022-10-17 17:04:13,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:04:13,834 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:04:13,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:13 WrapperNode [2022-10-17 17:04:13,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:04:13,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:04:13,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:04:13,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:04:13,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:13" (1/1) ... [2022-10-17 17:04:13,863 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:13" (1/1) ... [2022-10-17 17:04:13,890 INFO L138 Inliner]: procedures = 181, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 159 [2022-10-17 17:04:13,891 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:04:13,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:04:13,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:04:13,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:04:13,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:13" (1/1) ... [2022-10-17 17:04:13,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:13" (1/1) ... [2022-10-17 17:04:13,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:13" (1/1) ... [2022-10-17 17:04:13,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:13" (1/1) ... [2022-10-17 17:04:13,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:13" (1/1) ... [2022-10-17 17:04:13,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:13" (1/1) ... [2022-10-17 17:04:13,950 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:13" (1/1) ... [2022-10-17 17:04:13,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:13" (1/1) ... [2022-10-17 17:04:13,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:04:13,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:04:13,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:04:13,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:04:13,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:13" (1/1) ... [2022-10-17 17:04:13,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:04:13,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee68bf4e-5213-4259-b2c9-372bdc096c91/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:04:13,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee68bf4e-5213-4259-b2c9-372bdc096c91/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:04:14,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee68bf4e-5213-4259-b2c9-372bdc096c91/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:04:14,042 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader1 [2022-10-17 17:04:14,042 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader1 [2022-10-17 17:04:14,043 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_reader2 [2022-10-17 17:04:14,043 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_reader2 [2022-10-17 17:04:14,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 17:04:14,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_use_done [2022-10-17 17:04:14,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_use_done [2022-10-17 17:04:14,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_use2 [2022-10-17 17:04:14,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_use2 [2022-10-17 17:04:14,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_use1 [2022-10-17 17:04:14,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_use1 [2022-10-17 17:04:14,044 INFO L130 BoogieDeclarations]: Found specification of procedure qrcu_updater [2022-10-17 17:04:14,045 INFO L138 BoogieDeclarations]: Found implementation of procedure qrcu_updater [2022-10-17 17:04:14,045 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-10-17 17:04:14,045 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:04:14,045 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:04:14,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:04:14,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:04:14,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:04:14,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 17:04:14,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 17:04:14,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-10-17 17:04:14,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:04:14,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:04:14,048 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 17:04:14,301 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:04:14,303 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:04:14,752 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:04:14,861 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:04:14,861 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 17:04:14,862 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_use2ENTRY is neither atomic block end nor a sink node. [2022-10-17 17:04:14,863 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:303) 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) [2022-10-17 17:04:14,868 INFO L158 Benchmark]: Toolchain (without parser) took 1723.18ms. Allocated memory is still 77.6MB. Free memory was 52.9MB in the beginning and 57.4MB in the end (delta: -4.5MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2022-10-17 17:04:14,870 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 50.3MB. Free memory was 30.1MB in the beginning and 30.0MB in the end (delta: 49.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:04:14,872 INFO L158 Benchmark]: CACSL2BoogieTranslator took 686.40ms. Allocated memory is still 77.6MB. Free memory was 52.8MB in the beginning and 48.7MB in the end (delta: 4.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 17:04:14,873 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.49ms. Allocated memory is still 77.6MB. Free memory was 48.7MB in the beginning and 46.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:04:14,875 INFO L158 Benchmark]: Boogie Preprocessor took 72.33ms. Allocated memory is still 77.6MB. Free memory was 46.1MB in the beginning and 43.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:04:14,876 INFO L158 Benchmark]: RCFGBuilder took 901.47ms. Allocated memory is still 77.6MB. Free memory was 43.8MB in the beginning and 57.4MB in the end (delta: -13.6MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2022-10-17 17:04:14,879 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 50.3MB. Free memory was 30.1MB in the beginning and 30.0MB in the end (delta: 49.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 686.40ms. Allocated memory is still 77.6MB. Free memory was 52.8MB in the beginning and 48.7MB in the end (delta: 4.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.49ms. Allocated memory is still 77.6MB. Free memory was 48.7MB in the beginning and 46.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.33ms. Allocated memory is still 77.6MB. Free memory was 46.1MB in the beginning and 43.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 901.47ms. Allocated memory is still 77.6MB. Free memory was 43.8MB in the beginning and 57.4MB in the end (delta: -13.6MB). Peak memory consumption was 16.3MB. 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:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 17:04:14,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee68bf4e-5213-4259-b2c9-372bdc096c91/bin/ukojak-92XMlrwhuB/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?