./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 dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c902137dd689344b33e1214981c74c26e47854ade5db7e5e71980f90fd07d90c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:04:33,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:04:33,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:04:33,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:04:33,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:04:33,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:04:33,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:04:33,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:04:33,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:04:33,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:04:33,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:04:33,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:04:33,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:04:33,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:04:33,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:04:33,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:04:33,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:04:33,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:04:34,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:04:34,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:04:34,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:04:34,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:04:34,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:04:34,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:04:34,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:04:34,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:04:34,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:04:34,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:04:34,029 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:04:34,030 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:04:34,030 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:04:34,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:04:34,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:04:34,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:04:34,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:04:34,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:04:34,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:04:34,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:04:34,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:04:34,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:04:34,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:04:34,040 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:04:34,084 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:04:34,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:04:34,086 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:04:34,086 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:04:34,087 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:04:34,087 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:04:34,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:04:34,088 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:04:34,088 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:04:34,088 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:04:34,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:04:34,088 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:04:34,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:04:34,089 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:04:34,089 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:04:34,089 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:04:34,089 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:04:34,089 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:04:34,090 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:04:34,090 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:04:34,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:04:34,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:04:34,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:04:34,091 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:04:34,091 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:04:34,091 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:04:34,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:04:34,092 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:04:34,092 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_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c902137dd689344b33e1214981c74c26e47854ade5db7e5e71980f90fd07d90c [2022-10-17 17:04:34,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:04:34,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:04:34,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:04:34,415 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:04:34,416 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:04:34,418 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c [2022-10-17 17:04:34,477 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/bin/ukojak-92XMlrwhuB/data/735c9b2a5/6257319d09314b0aa455b31beb82ecd2/FLAGc447e6147 [2022-10-17 17:04:34,905 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:04:34,906 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c [2022-10-17 17:04:34,914 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/bin/ukojak-92XMlrwhuB/data/735c9b2a5/6257319d09314b0aa455b31beb82ecd2/FLAGc447e6147 [2022-10-17 17:04:35,297 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/bin/ukojak-92XMlrwhuB/data/735c9b2a5/6257319d09314b0aa455b31beb82ecd2 [2022-10-17 17:04:35,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:04:35,303 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:04:35,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:04:35,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:04:35,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:04:35,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:04:35" (1/1) ... [2022-10-17 17:04:35,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28f5f11c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:35, skipping insertion in model container [2022-10-17 17:04:35,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:04:35" (1/1) ... [2022-10-17 17:04:35,320 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:04:35,348 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:04:35,668 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c[2947,2960] [2022-10-17 17:04:35,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:04:35,695 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:04:35,736 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c[2947,2960] [2022-10-17 17:04:35,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:04:35,759 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:04:35,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:35 WrapperNode [2022-10-17 17:04:35,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:04:35,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:04:35,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:04:35,763 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:04:35,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:35" (1/1) ... [2022-10-17 17:04:35,795 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:35" (1/1) ... [2022-10-17 17:04:35,830 INFO L138 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2022-10-17 17:04:35,831 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:04:35,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:04:35,832 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:04:35,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:04:35,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:35" (1/1) ... [2022-10-17 17:04:35,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:35" (1/1) ... [2022-10-17 17:04:35,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:35" (1/1) ... [2022-10-17 17:04:35,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:35" (1/1) ... [2022-10-17 17:04:35,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:35" (1/1) ... [2022-10-17 17:04:35,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:35" (1/1) ... [2022-10-17 17:04:35,884 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:35" (1/1) ... [2022-10-17 17:04:35,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:35" (1/1) ... [2022-10-17 17:04:35,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:04:35,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:04:35,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:04:35,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:04:35,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:35" (1/1) ... [2022-10-17 17:04:35,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:04:35,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:04:35,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:04:35,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:04:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:04:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 17:04:35,996 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 17:04:35,997 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 17:04:35,998 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 17:04:35,998 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:04:35,998 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:04:35,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:04:35,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:04:35,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:04:35,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 17:04:35,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 17:04:35,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:04:36,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:04:36,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:04:36,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:04:36,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:04:36,006 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 17:04:36,097 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:04:36,099 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:04:36,346 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:04:36,526 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:04:36,526 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 17:04:36,527 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L78 is neither atomic block end nor a sink node. [2022-10-17 17:04:36,528 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-10-17 17:04:36,532 INFO L158 Benchmark]: Toolchain (without parser) took 1228.00ms. Allocated memory is still 107.0MB. Free memory was 65.6MB in the beginning and 54.8MB in the end (delta: 10.8MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2022-10-17 17:04:36,533 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory was 82.5MB in the beginning and 82.5MB in the end (delta: 48.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:04:36,534 INFO L158 Benchmark]: CACSL2BoogieTranslator took 455.35ms. Allocated memory is still 107.0MB. Free memory was 65.4MB in the beginning and 78.9MB in the end (delta: -13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 17:04:36,535 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.05ms. Allocated memory is still 107.0MB. Free memory was 78.7MB in the beginning and 77.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:04:36,536 INFO L158 Benchmark]: Boogie Preprocessor took 64.02ms. Allocated memory is still 107.0MB. Free memory was 77.2MB in the beginning and 75.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:04:36,537 INFO L158 Benchmark]: RCFGBuilder took 634.00ms. Allocated memory is still 107.0MB. Free memory was 75.5MB in the beginning and 54.8MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-10-17 17:04:36,542 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory was 82.5MB in the beginning and 82.5MB in the end (delta: 48.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 455.35ms. Allocated memory is still 107.0MB. Free memory was 65.4MB in the beginning and 78.9MB in the end (delta: -13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.05ms. Allocated memory is still 107.0MB. Free memory was 78.7MB in the beginning and 77.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 64.02ms. Allocated memory is still 107.0MB. Free memory was 77.2MB in the beginning and 75.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 634.00ms. Allocated memory is still 107.0MB. Free memory was 75.5MB in the beginning and 54.8MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 17:04:36,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c902137dd689344b33e1214981c74c26e47854ade5db7e5e71980f90fd07d90c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:04:39,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:04:39,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:04:39,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:04:39,157 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:04:39,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:04:39,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:04:39,163 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:04:39,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:04:39,167 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:04:39,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:04:39,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:04:39,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:04:39,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:04:39,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:04:39,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:04:39,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:04:39,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:04:39,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:04:39,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:04:39,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:04:39,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:04:39,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:04:39,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:04:39,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:04:39,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:04:39,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:04:39,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:04:39,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:04:39,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:04:39,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:04:39,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:04:39,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:04:39,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:04:39,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:04:39,229 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:04:39,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:04:39,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:04:39,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:04:39,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:04:39,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:04:39,234 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 17:04:39,278 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:04:39,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:04:39,281 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:04:39,281 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:04:39,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:04:39,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:04:39,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:04:39,283 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:04:39,283 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:04:39,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:04:39,285 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:04:39,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:04:39,285 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:04:39,285 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 17:04:39,286 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 17:04:39,286 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 17:04:39,286 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:04:39,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:04:39,286 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:04:39,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:04:39,287 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:04:39,287 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:04:39,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:04:39,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:04:39,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:04:39,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:04:39,288 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:04:39,288 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 17:04:39,288 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 17:04:39,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:04:39,289 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 17:04:39,289 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 17:04:39,289 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_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c902137dd689344b33e1214981c74c26e47854ade5db7e5e71980f90fd07d90c [2022-10-17 17:04:39,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:04:39,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:04:39,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:04:39,687 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:04:39,688 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:04:39,690 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c [2022-10-17 17:04:39,770 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/bin/ukojak-92XMlrwhuB/data/994276f26/b1b7bacdce004176b08673e9fc291be3/FLAGc1d4578de [2022-10-17 17:04:40,289 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:04:40,290 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c [2022-10-17 17:04:40,297 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/bin/ukojak-92XMlrwhuB/data/994276f26/b1b7bacdce004176b08673e9fc291be3/FLAGc1d4578de [2022-10-17 17:04:40,663 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/bin/ukojak-92XMlrwhuB/data/994276f26/b1b7bacdce004176b08673e9fc291be3 [2022-10-17 17:04:40,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:04:40,667 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:04:40,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:04:40,669 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:04:40,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:04:40,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:04:40" (1/1) ... [2022-10-17 17:04:40,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f0b9e05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:40, skipping insertion in model container [2022-10-17 17:04:40,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:04:40" (1/1) ... [2022-10-17 17:04:40,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:04:40,701 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:04:40,876 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c[2947,2960] [2022-10-17 17:04:40,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:04:40,911 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-10-17 17:04:40,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:04:40,968 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c[2947,2960] [2022-10-17 17:04:40,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:04:40,977 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:04:41,002 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c[2947,2960] [2022-10-17 17:04:41,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:04:41,020 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:04:41,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:41 WrapperNode [2022-10-17 17:04:41,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:04:41,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:04:41,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:04:41,023 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:04:41,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:41" (1/1) ... [2022-10-17 17:04:41,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:41" (1/1) ... [2022-10-17 17:04:41,062 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2022-10-17 17:04:41,063 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:04:41,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:04:41,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:04:41,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:04:41,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:41" (1/1) ... [2022-10-17 17:04:41,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:41" (1/1) ... [2022-10-17 17:04:41,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:41" (1/1) ... [2022-10-17 17:04:41,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:41" (1/1) ... [2022-10-17 17:04:41,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:41" (1/1) ... [2022-10-17 17:04:41,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:41" (1/1) ... [2022-10-17 17:04:41,096 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:41" (1/1) ... [2022-10-17 17:04:41,098 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:41" (1/1) ... [2022-10-17 17:04:41,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:04:41,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:04:41,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:04:41,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:04:41,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:04:41" (1/1) ... [2022-10-17 17:04:41,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:04:41,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:04:41,148 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:04:41,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:04:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:04:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 17:04:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:04:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 17:04:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 17:04:41,207 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 17:04:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 17:04:41,208 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 17:04:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:04:41,208 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:04:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 17:04:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 17:04:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:04:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:04:41,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:04:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:04:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 17:04:41,211 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 17:04:41,331 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:04:41,333 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:04:41,684 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:04:41,928 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:04:41,928 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 17:04:41,930 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L78 is neither atomic block end nor a sink node. [2022-10-17 17:04:41,931 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-10-17 17:04:41,938 INFO L158 Benchmark]: Toolchain (without parser) took 1269.95ms. Allocated memory is still 71.3MB. Free memory was 46.7MB in the beginning and 39.2MB in the end (delta: 7.5MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2022-10-17 17:04:41,939 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 50.3MB. Free memory was 29.7MB in the beginning and 29.6MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:04:41,941 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.04ms. Allocated memory is still 71.3MB. Free memory was 46.6MB in the beginning and 51.5MB in the end (delta: -4.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 17:04:41,942 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.68ms. Allocated memory is still 71.3MB. Free memory was 51.3MB in the beginning and 49.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:04:41,944 INFO L158 Benchmark]: Boogie Preprocessor took 38.20ms. Allocated memory is still 71.3MB. Free memory was 49.6MB in the beginning and 48.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:04:41,945 INFO L158 Benchmark]: RCFGBuilder took 833.40ms. Allocated memory is still 71.3MB. Free memory was 48.0MB in the beginning and 39.2MB in the end (delta: 8.7MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2022-10-17 17:04:41,954 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 50.3MB. Free memory was 29.7MB in the beginning and 29.6MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.04ms. Allocated memory is still 71.3MB. Free memory was 46.6MB in the beginning and 51.5MB in the end (delta: -4.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.68ms. Allocated memory is still 71.3MB. Free memory was 51.3MB in the beginning and 49.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.20ms. Allocated memory is still 71.3MB. Free memory was 49.6MB in the beginning and 48.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 833.40ms. Allocated memory is still 71.3MB. Free memory was 48.0MB in the beginning and 39.2MB in the end (delta: 8.7MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 17:04:42,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f65e3a-536f-4b12-8cbb-dcec7be9be8d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?