./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-channel-sum.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_6b8f317d-f38a-4792-9527-c7301284e1ea/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8f317d-f38a-4792-9527-c7301284e1ea/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_6b8f317d-f38a-4792-9527-c7301284e1ea/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8f317d-f38a-4792-9527-c7301284e1ea/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8f317d-f38a-4792-9527-c7301284e1ea/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_6b8f317d-f38a-4792-9527-c7301284e1ea/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 c902137dd689344b33e1214981c74c26e47854ade5db7e5e71980f90fd07d90c ........................................................................................................................................................................................................ 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_6b8f317d-f38a-4792-9527-c7301284e1ea/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8f317d-f38a-4792-9527-c7301284e1ea/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_6b8f317d-f38a-4792-9527-c7301284e1ea/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8f317d-f38a-4792-9527-c7301284e1ea/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8f317d-f38a-4792-9527-c7301284e1ea/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_6b8f317d-f38a-4792-9527-c7301284e1ea/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 c902137dd689344b33e1214981c74c26e47854ade5db7e5e71980f90fd07d90c ................................................................................................................................................................................................................ 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 03:36:04,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:36:04,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:36:04,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:36:04,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:36:04,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:36:04,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:36:04,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:36:04,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:36:04,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:36:04,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:36:04,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:36:04,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:36:04,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:36:04,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:36:04,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:36:04,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:36:04,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:36:04,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:36:04,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:36:04,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:36:04,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:36:04,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:36:04,236 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:36:04,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:36:04,241 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:36:04,241 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:36:04,250 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:36:04,251 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:36:04,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:36:04,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:36:04,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:36:04,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:36:04,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:36:04,260 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:36:04,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:36:04,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:36:04,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:36:04,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:36:04,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:36:04,264 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:36:04,266 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8f317d-f38a-4792-9527-c7301284e1ea/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:36:04,317 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:36:04,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:36:04,319 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:36:04,319 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:36:04,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:36:04,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:36:04,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:36:04,321 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:36:04,327 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:36:04,327 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:36:04,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:36:04,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:36:04,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:36:04,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:36:04,330 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:36:04,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:36:04,330 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:36:04,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:36:04,331 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:36:04,331 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:36:04,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:36:04,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:36:04,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:36:04,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:36:04,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:36:04,332 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:36:04,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:36:04,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:36:04,333 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_6b8f317d-f38a-4792-9527-c7301284e1ea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8f317d-f38a-4792-9527-c7301284e1ea/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c902137dd689344b33e1214981c74c26e47854ade5db7e5e71980f90fd07d90c [2021-10-29 03:36:04,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:36:04,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:36:04,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:36:04,667 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:36:04,668 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:36:04,669 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8f317d-f38a-4792-9527-c7301284e1ea/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c [2021-10-29 03:36:04,750 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8f317d-f38a-4792-9527-c7301284e1ea/bin/ukojak-Rh5K9KB4LI/data/abe2ca415/2e6a6369ec004d60b15cc075c7460b04/FLAGdfe215ace [2021-10-29 03:36:05,296 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:36:05,302 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8f317d-f38a-4792-9527-c7301284e1ea/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c [2021-10-29 03:36:05,318 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8f317d-f38a-4792-9527-c7301284e1ea/bin/ukojak-Rh5K9KB4LI/data/abe2ca415/2e6a6369ec004d60b15cc075c7460b04/FLAGdfe215ace [2021-10-29 03:36:05,620 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8f317d-f38a-4792-9527-c7301284e1ea/bin/ukojak-Rh5K9KB4LI/data/abe2ca415/2e6a6369ec004d60b15cc075c7460b04 [2021-10-29 03:36:05,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:36:05,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:36:05,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:36:05,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:36:05,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:36:05,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:36:05" (1/1) ... [2021-10-29 03:36:05,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ed49c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:05, skipping insertion in model container [2021-10-29 03:36:05,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:36:05" (1/1) ... [2021-10-29 03:36:05,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:36:05,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:36:05,866 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_6b8f317d-f38a-4792-9527-c7301284e1ea/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c[2947,2960] [2021-10-29 03:36:05,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:36:05,882 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:36:05,903 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_6b8f317d-f38a-4792-9527-c7301284e1ea/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c[2947,2960] [2021-10-29 03:36:05,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:36:05,921 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:36:05,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:05 WrapperNode [2021-10-29 03:36:05,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:36:05,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:36:05,924 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:36:05,924 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:36:05,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:05" (1/1) ... [2021-10-29 03:36:05,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:05" (1/1) ... [2021-10-29 03:36:05,963 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:36:05,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:36:05,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:36:05,964 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:36:05,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:05" (1/1) ... [2021-10-29 03:36:05,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:05" (1/1) ... [2021-10-29 03:36:05,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:05" (1/1) ... [2021-10-29 03:36:05,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:05" (1/1) ... [2021-10-29 03:36:05,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:05" (1/1) ... [2021-10-29 03:36:05,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:05" (1/1) ... [2021-10-29 03:36:05,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:05" (1/1) ... [2021-10-29 03:36:05,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:36:05,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:36:05,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:36:05,996 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:36:05,997 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:05" (1/1) ... [2021-10-29 03:36:06,006 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:36:06,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8f317d-f38a-4792-9527-c7301284e1ea/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:36:06,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8f317d-f38a-4792-9527-c7301284e1ea/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:36:06,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8f317d-f38a-4792-9527-c7301284e1ea/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:36:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-29 03:36:06,066 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-29 03:36:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-29 03:36:06,066 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-29 03:36:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-29 03:36:06,066 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-29 03:36:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:36:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:36:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 03:36:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-29 03:36:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-29 03:36:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 03:36:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:36:06,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:36:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 03:36:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 03:36:06,069 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 03:36:06,698 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:36:06,699 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-29 03:36:06,704 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L78 is neither atomic block end nor a sink node. [2021-10-29 03:36:06,706 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 03:36:06,710 INFO L168 Benchmark]: Toolchain (without parser) took 1084.63 ms. Allocated memory is still 104.9 MB. Free memory was 66.6 MB in the beginning and 55.6 MB in the end (delta: 11.0 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:36:06,713 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 104.9 MB. Free memory is still 83.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:36:06,714 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.62 ms. Allocated memory is still 104.9 MB. Free memory was 66.4 MB in the beginning and 78.8 MB in the end (delta: -12.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:36:06,716 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.35 ms. Allocated memory is still 104.9 MB. Free memory was 78.8 MB in the beginning and 77.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:36:06,722 INFO L168 Benchmark]: Boogie Preprocessor took 31.47 ms. Allocated memory is still 104.9 MB. Free memory was 77.5 MB in the beginning and 75.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:36:06,724 INFO L168 Benchmark]: RCFGBuilder took 712.62 ms. Allocated memory is still 104.9 MB. Free memory was 75.8 MB in the beginning and 55.6 MB in the end (delta: 20.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-29 03:36:06,728 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 104.9 MB. Free memory is still 83.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 296.62 ms. Allocated memory is still 104.9 MB. Free memory was 66.4 MB in the beginning and 78.8 MB in the end (delta: -12.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.35 ms. Allocated memory is still 104.9 MB. Free memory was 78.8 MB in the beginning and 77.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.47 ms. Allocated memory is still 104.9 MB. Free memory was 77.5 MB in the beginning and 75.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 712.62 ms. Allocated memory is still 104.9 MB. Free memory was 75.8 MB in the beginning and 55.6 MB in the end (delta: 20.2 MB). Peak memory consumption was 18.9 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 03:36:06,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8f317d-f38a-4792-9527-c7301284e1ea/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 03:36:09,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:36:09,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:36:09,323 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:36:09,324 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:36:09,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:36:09,327 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:36:09,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:36:09,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:36:09,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:36:09,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:36:09,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:36:09,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:36:09,338 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:36:09,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:36:09,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:36:09,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:36:09,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:36:09,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:36:09,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:36:09,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:36:09,352 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:36:09,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:36:09,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:36:09,359 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:36:09,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:36:09,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:36:09,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:36:09,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:36:09,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:36:09,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:36:09,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:36:09,366 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:36:09,367 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:36:09,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:36:09,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:36:09,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:36:09,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:36:09,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:36:09,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:36:09,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:36:09,374 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8f317d-f38a-4792-9527-c7301284e1ea/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-10-29 03:36:09,401 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:36:09,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:36:09,402 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:36:09,403 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:36:09,404 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:36:09,404 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:36:09,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:36:09,405 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:36:09,405 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:36:09,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:36:09,405 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:36:09,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:36:09,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:36:09,406 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 03:36:09,406 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 03:36:09,407 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 03:36:09,407 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:36:09,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:36:09,408 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:36:09,408 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:36:09,408 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:36:09,408 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:36:09,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:36:09,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:36:09,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:36:09,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:36:09,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:36:09,410 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 03:36:09,410 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 03:36:09,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:36:09,411 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-10-29 03:36:09,411 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 03:36:09,412 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_6b8f317d-f38a-4792-9527-c7301284e1ea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8f317d-f38a-4792-9527-c7301284e1ea/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c902137dd689344b33e1214981c74c26e47854ade5db7e5e71980f90fd07d90c [2021-10-29 03:36:09,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:36:09,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:36:09,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:36:09,881 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:36:09,881 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:36:09,883 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8f317d-f38a-4792-9527-c7301284e1ea/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c [2021-10-29 03:36:09,958 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8f317d-f38a-4792-9527-c7301284e1ea/bin/ukojak-Rh5K9KB4LI/data/55bd96039/f497b56f163d48929d10cfe0cea4d87b/FLAG5e71d626a [2021-10-29 03:36:10,557 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:36:10,558 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8f317d-f38a-4792-9527-c7301284e1ea/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c [2021-10-29 03:36:10,567 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8f317d-f38a-4792-9527-c7301284e1ea/bin/ukojak-Rh5K9KB4LI/data/55bd96039/f497b56f163d48929d10cfe0cea4d87b/FLAG5e71d626a [2021-10-29 03:36:10,894 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8f317d-f38a-4792-9527-c7301284e1ea/bin/ukojak-Rh5K9KB4LI/data/55bd96039/f497b56f163d48929d10cfe0cea4d87b [2021-10-29 03:36:10,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:36:10,903 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:36:10,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:36:10,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:36:10,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:36:10,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:36:10" (1/1) ... [2021-10-29 03:36:10,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4601ff61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:10, skipping insertion in model container [2021-10-29 03:36:10,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:36:10" (1/1) ... [2021-10-29 03:36:10,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:36:10,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:36:11,136 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_6b8f317d-f38a-4792-9527-c7301284e1ea/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c[2947,2960] [2021-10-29 03:36:11,146 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:36:11,178 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-29 03:36:11,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:36:11,222 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_6b8f317d-f38a-4792-9527-c7301284e1ea/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c[2947,2960] [2021-10-29 03:36:11,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:36:11,237 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:36:11,266 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_6b8f317d-f38a-4792-9527-c7301284e1ea/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c[2947,2960] [2021-10-29 03:36:11,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:36:11,285 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:36:11,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:11 WrapperNode [2021-10-29 03:36:11,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:36:11,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:36:11,287 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:36:11,287 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:36:11,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:11" (1/1) ... [2021-10-29 03:36:11,306 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:11" (1/1) ... [2021-10-29 03:36:11,327 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:36:11,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:36:11,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:36:11,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:36:11,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:11" (1/1) ... [2021-10-29 03:36:11,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:11" (1/1) ... [2021-10-29 03:36:11,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:11" (1/1) ... [2021-10-29 03:36:11,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:11" (1/1) ... [2021-10-29 03:36:11,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:11" (1/1) ... [2021-10-29 03:36:11,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:11" (1/1) ... [2021-10-29 03:36:11,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:11" (1/1) ... [2021-10-29 03:36:11,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:36:11,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:36:11,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:36:11,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:36:11,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:36:11" (1/1) ... [2021-10-29 03:36:11,371 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:36:11,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8f317d-f38a-4792-9527-c7301284e1ea/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:36:11,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8f317d-f38a-4792-9527-c7301284e1ea/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:36:11,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8f317d-f38a-4792-9527-c7301284e1ea/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:36:11,445 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-29 03:36:11,445 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-29 03:36:11,445 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-29 03:36:11,445 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-29 03:36:11,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 03:36:11,445 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-29 03:36:11,447 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-29 03:36:11,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:36:11,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-29 03:36:11,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-29 03:36:11,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 03:36:11,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-29 03:36:11,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:36:11,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:36:11,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 03:36:11,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-29 03:36:11,450 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 03:36:12,196 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:36:12,197 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-29 03:36:12,197 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L78 is neither atomic block end nor a sink node. [2021-10-29 03:36:12,198 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 03:36:12,202 INFO L168 Benchmark]: Toolchain (without parser) took 1299.17 ms. Allocated memory is still 81.8 MB. Free memory was 46.3 MB in the beginning and 35.9 MB in the end (delta: 10.4 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:36:12,202 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 81.8 MB. Free memory is still 62.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:36:12,203 INFO L168 Benchmark]: CACSL2BoogieTranslator took 376.97 ms. Allocated memory is still 81.8 MB. Free memory was 45.8 MB in the beginning and 62.6 MB in the end (delta: -16.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:36:12,204 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.13 ms. Allocated memory is still 81.8 MB. Free memory was 62.6 MB in the beginning and 60.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:36:12,205 INFO L168 Benchmark]: Boogie Preprocessor took 34.16 ms. Allocated memory is still 81.8 MB. Free memory was 60.7 MB in the beginning and 59.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:36:12,205 INFO L168 Benchmark]: RCFGBuilder took 837.19 ms. Allocated memory is still 81.8 MB. Free memory was 59.1 MB in the beginning and 35.9 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:36:12,208 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 81.8 MB. Free memory is still 62.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 376.97 ms. Allocated memory is still 81.8 MB. Free memory was 45.8 MB in the beginning and 62.6 MB in the end (delta: -16.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.13 ms. Allocated memory is still 81.8 MB. Free memory was 62.6 MB in the beginning and 60.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.16 ms. Allocated memory is still 81.8 MB. Free memory was 60.7 MB in the beginning and 59.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 837.19 ms. Allocated memory is still 81.8 MB. Free memory was 59.1 MB in the beginning and 35.9 MB in the end (delta: 23.2 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 03:36:12,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b8f317d-f38a-4792-9527-c7301284e1ea/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...