./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/bin/ukojak-Rh5K9KB4LI --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 238e609d3671ff2de494998b0abc6a14651375b5eb423e7b66fc3d987b466268 .......................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/bin/ukojak-Rh5K9KB4LI --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 238e609d3671ff2de494998b0abc6a14651375b5eb423e7b66fc3d987b466268 .................................................................................................................................................................................................................. 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 0.2.1-dev-b2eff8b [2021-10-29 03:19:11,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:19:11,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:19:11,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:19:11,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:19:11,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:19:11,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:19:11,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:19:11,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:19:11,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:19:11,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:19:11,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:19:11,143 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:19:11,144 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:19:11,146 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:19:11,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:19:11,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:19:11,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:19:11,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:19:11,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:19:11,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:19:11,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:19:11,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:19:11,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:19:11,164 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:19:11,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:19:11,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:19:11,167 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:19:11,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:19:11,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:19:11,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:19:11,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:19:11,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:19:11,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:19:11,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:19:11,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:19:11,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:19:11,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:19:11,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:19:11,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:19:11,178 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:19:11,179 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:19:11,204 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:19:11,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:19:11,206 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:19:11,206 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:19:11,207 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:19:11,208 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:19:11,208 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:19:11,208 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:19:11,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:19:11,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:19:11,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:19:11,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:19:11,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:19:11,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:19:11,211 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:19:11,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:19:11,211 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:19:11,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:19:11,212 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:19:11,212 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:19:11,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:19:11,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:19:11,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:19:11,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:19:11,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:19:11,213 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:19:11,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:19:11,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:19:11,214 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_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 238e609d3671ff2de494998b0abc6a14651375b5eb423e7b66fc3d987b466268 [2021-10-29 03:19:11,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:19:11,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:19:11,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:19:11,510 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:19:11,511 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:19:11,513 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c [2021-10-29 03:19:11,576 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/bin/ukojak-Rh5K9KB4LI/data/7ea77619b/762f073d68fd4c00afc9d5d8bee123ad/FLAG13af9b3c0 [2021-10-29 03:19:12,106 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:19:12,107 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c [2021-10-29 03:19:12,114 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/bin/ukojak-Rh5K9KB4LI/data/7ea77619b/762f073d68fd4c00afc9d5d8bee123ad/FLAG13af9b3c0 [2021-10-29 03:19:12,480 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/bin/ukojak-Rh5K9KB4LI/data/7ea77619b/762f073d68fd4c00afc9d5d8bee123ad [2021-10-29 03:19:12,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:19:12,484 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:19:12,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:19:12,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:19:12,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:19:12,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:19:12" (1/1) ... [2021-10-29 03:19:12,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60754c48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:12, skipping insertion in model container [2021-10-29 03:19:12,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:19:12" (1/1) ... [2021-10-29 03:19:12,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:19:12,522 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:19:12,718 WARN L228 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_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c[3107,3120] [2021-10-29 03:19:12,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:19:12,733 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:19:12,765 WARN L228 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_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c[3107,3120] [2021-10-29 03:19:12,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:19:12,789 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:19:12,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:12 WrapperNode [2021-10-29 03:19:12,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:19:12,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:19:12,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:19:12,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:19:12,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:12" (1/1) ... [2021-10-29 03:19:12,827 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:12" (1/1) ... [2021-10-29 03:19:12,847 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:19:12,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:19:12,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:19:12,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:19:12,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:12" (1/1) ... [2021-10-29 03:19:12,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:12" (1/1) ... [2021-10-29 03:19:12,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:12" (1/1) ... [2021-10-29 03:19:12,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:12" (1/1) ... [2021-10-29 03:19:12,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:12" (1/1) ... [2021-10-29 03:19:12,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:12" (1/1) ... [2021-10-29 03:19:12,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:12" (1/1) ... [2021-10-29 03:19:12,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:19:12,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:19:12,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:19:12,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:19:12,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:12" (1/1) ... [2021-10-29 03:19:12,888 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:19:12,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:19:12,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:19:12,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:19:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-29 03:19:12,977 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-29 03:19:12,977 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-29 03:19:12,977 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-29 03:19:12,978 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-29 03:19:12,978 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-29 03:19:12,979 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-29 03:19:12,979 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-29 03:19:12,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:19:12,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:19:12,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 03:19:12,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-29 03:19:12,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-29 03:19:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 03:19:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:19:12,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:19:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 03:19:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 03:19:12,982 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-29 03:19:13,627 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:19:13,627 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-29 03:19:13,628 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2021-10-29 03:19:13,634 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:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-29 03:19:13,639 INFO L168 Benchmark]: Toolchain (without parser) took 1153.12 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 66.9 MB in the beginning and 67.9 MB in the end (delta: -1.0 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. [2021-10-29 03:19:13,640 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 98.6 MB. Free memory is still 55.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:19:13,641 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.16 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 66.9 MB in the beginning and 93.1 MB in the end (delta: -26.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:19:13,642 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.24 ms. Allocated memory is still 119.5 MB. Free memory was 93.1 MB in the beginning and 91.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:19:13,643 INFO L168 Benchmark]: Boogie Preprocessor took 31.06 ms. Allocated memory is still 119.5 MB. Free memory was 91.5 MB in the beginning and 89.9 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:19:13,644 INFO L168 Benchmark]: RCFGBuilder took 757.07 ms. Allocated memory is still 119.5 MB. Free memory was 89.9 MB in the beginning and 67.9 MB in the end (delta: 22.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:19:13,655 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 98.6 MB. Free memory is still 55.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 301.16 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 66.9 MB in the beginning and 93.1 MB in the end (delta: -26.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 56.24 ms. Allocated memory is still 119.5 MB. Free memory was 93.1 MB in the beginning and 91.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.06 ms. Allocated memory is still 119.5 MB. Free memory was 91.5 MB in the beginning and 89.9 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 757.07 ms. Allocated memory is still 119.5 MB. Free memory was 89.9 MB in the beginning and 67.9 MB in the end (delta: 22.0 MB). Peak memory consumption was 23.1 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:302) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-29 03:19:13,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:19:16,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:19:16,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:19:16,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:19:16,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:19:16,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:19:16,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:19:16,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:19:16,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:19:16,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:19:16,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:19:16,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:19:16,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:19:16,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:19:16,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:19:16,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:19:16,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:19:16,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:19:16,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:19:16,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:19:16,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:19:16,160 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:19:16,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:19:16,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:19:16,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:19:16,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:19:16,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:19:16,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:19:16,169 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:19:16,170 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:19:16,170 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:19:16,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:19:16,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:19:16,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:19:16,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:19:16,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:19:16,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:19:16,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:19:16,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:19:16,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:19:16,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:19:16,192 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-10-29 03:19:16,239 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:19:16,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:19:16,240 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:19:16,241 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:19:16,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:19:16,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:19:16,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:19:16,243 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:19:16,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:19:16,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:19:16,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:19:16,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:19:16,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:19:16,244 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 03:19:16,245 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 03:19:16,245 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 03:19:16,245 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:19:16,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:19:16,245 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:19:16,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:19:16,246 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:19:16,246 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:19:16,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:19:16,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:19:16,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:19:16,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:19:16,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:19:16,247 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 03:19:16,248 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 03:19:16,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:19:16,248 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-10-29 03:19:16,248 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 03:19:16,249 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_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 238e609d3671ff2de494998b0abc6a14651375b5eb423e7b66fc3d987b466268 [2021-10-29 03:19:16,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:19:16,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:19:16,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:19:16,631 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:19:16,631 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:19:16,632 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c [2021-10-29 03:19:16,714 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/bin/ukojak-Rh5K9KB4LI/data/4e2481c56/0267020746ba41ea83f22903c5fd8ebb/FLAG2ee303ed0 [2021-10-29 03:19:17,293 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:19:17,294 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c [2021-10-29 03:19:17,303 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/bin/ukojak-Rh5K9KB4LI/data/4e2481c56/0267020746ba41ea83f22903c5fd8ebb/FLAG2ee303ed0 [2021-10-29 03:19:17,629 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/bin/ukojak-Rh5K9KB4LI/data/4e2481c56/0267020746ba41ea83f22903c5fd8ebb [2021-10-29 03:19:17,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:19:17,636 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:19:17,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:19:17,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:19:17,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:19:17,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:19:17" (1/1) ... [2021-10-29 03:19:17,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e7f6f19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:17, skipping insertion in model container [2021-10-29 03:19:17,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:19:17" (1/1) ... [2021-10-29 03:19:17,652 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:19:17,679 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:19:17,897 WARN L228 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_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c[3107,3120] [2021-10-29 03:19:17,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:19:17,959 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 03:19:17,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:19:17,978 WARN L228 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_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c[3107,3120] [2021-10-29 03:19:17,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:19:17,991 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:19:18,032 WARN L228 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_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c[3107,3120] [2021-10-29 03:19:18,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:19:18,051 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:19:18,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:18 WrapperNode [2021-10-29 03:19:18,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:19:18,054 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:19:18,054 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:19:18,054 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:19:18,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:18" (1/1) ... [2021-10-29 03:19:18,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:18" (1/1) ... [2021-10-29 03:19:18,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:19:18,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:19:18,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:19:18,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:19:18,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:18" (1/1) ... [2021-10-29 03:19:18,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:18" (1/1) ... [2021-10-29 03:19:18,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:18" (1/1) ... [2021-10-29 03:19:18,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:18" (1/1) ... [2021-10-29 03:19:18,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:18" (1/1) ... [2021-10-29 03:19:18,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:18" (1/1) ... [2021-10-29 03:19:18,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:18" (1/1) ... [2021-10-29 03:19:18,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:19:18,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:19:18,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:19:18,129 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:19:18,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:19:18" (1/1) ... [2021-10-29 03:19:18,136 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:19:18,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:19:18,159 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:19:18,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:19:18,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 03:19:18,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:19:18,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-29 03:19:18,206 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-29 03:19:18,206 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-29 03:19:18,206 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-29 03:19:18,207 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-29 03:19:18,207 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-29 03:19:18,207 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-29 03:19:18,207 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-29 03:19:18,207 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-29 03:19:18,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-29 03:19:18,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-29 03:19:18,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 03:19:18,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:19:18,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:19:18,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 03:19:18,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-29 03:19:18,210 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-29 03:19:19,170 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:19:19,170 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-29 03:19:19,178 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2021-10-29 03:19:19,179 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:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-29 03:19:19,183 INFO L168 Benchmark]: Toolchain (without parser) took 1545.80 ms. Allocated memory was 73.4 MB in the beginning and 90.2 MB in the end (delta: 16.8 MB). Free memory was 55.5 MB in the beginning and 63.2 MB in the end (delta: -7.7 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.1 GB. [2021-10-29 03:19:19,186 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 73.4 MB. Free memory is still 55.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:19:19,187 INFO L168 Benchmark]: CACSL2BoogieTranslator took 415.67 ms. Allocated memory is still 73.4 MB. Free memory was 55.3 MB in the beginning and 54.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:19:19,189 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.27 ms. Allocated memory is still 73.4 MB. Free memory was 54.0 MB in the beginning and 52.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:19:19,190 INFO L168 Benchmark]: Boogie Preprocessor took 35.05 ms. Allocated memory is still 73.4 MB. Free memory was 52.1 MB in the beginning and 50.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:19:19,191 INFO L168 Benchmark]: RCFGBuilder took 1052.59 ms. Allocated memory was 73.4 MB in the beginning and 90.2 MB in the end (delta: 16.8 MB). Free memory was 50.7 MB in the beginning and 63.2 MB in the end (delta: -12.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-29 03:19:19,195 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 73.4 MB. Free memory is still 55.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 415.67 ms. Allocated memory is still 73.4 MB. Free memory was 55.3 MB in the beginning and 54.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.27 ms. Allocated memory is still 73.4 MB. Free memory was 54.0 MB in the beginning and 52.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.05 ms. Allocated memory is still 73.4 MB. Free memory was 52.1 MB in the beginning and 50.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1052.59 ms. Allocated memory was 73.4 MB in the beginning and 90.2 MB in the end (delta: 16.8 MB). Free memory was 50.7 MB in the beginning and 63.2 MB in the end (delta: -12.5 MB). Peak memory consumption was 21.0 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:302) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-29 03:19:19,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e9779ca-6e1e-434c-9505-e8bd7e5251ef/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...