./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/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_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/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_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/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 238e609d3671ff2de494998b0abc6a14651375b5eb423e7b66fc3d987b466268 --- 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 16:49:52,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:49:52,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:49:52,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:49:52,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:49:52,316 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:49:52,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:49:52,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:49:52,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:49:52,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:49:52,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:49:52,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:49:52,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:49:52,345 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:49:52,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:49:52,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:49:52,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:49:52,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:49:52,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:49:52,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:49:52,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:49:52,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:49:52,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:49:52,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:49:52,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:49:52,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:49:52,383 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:49:52,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:49:52,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:49:52,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:49:52,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:49:52,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:49:52,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:49:52,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:49:52,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:49:52,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:49:52,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:49:52,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:49:52,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:49:52,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:49:52,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:49:52,401 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:49:52,448 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:49:52,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:49:52,450 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:49:52,450 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:49:52,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:49:52,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:49:52,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:49:52,452 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:49:52,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:49:52,452 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:49:52,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:49:52,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:49:52,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:49:52,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:49:52,455 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:49:52,455 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:49:52,455 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:49:52,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:49:52,456 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:49:52,456 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:49:52,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:49:52,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:52,457 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:49:52,457 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:49:52,457 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:49:52,457 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:49:52,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:49:52,458 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:49:52,458 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_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 238e609d3671ff2de494998b0abc6a14651375b5eb423e7b66fc3d987b466268 [2022-10-17 16:49:52,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:49:52,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:49:52,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:49:52,859 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:49:52,860 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:49:52,862 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c [2022-10-17 16:49:52,953 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/bin/ukojak-92XMlrwhuB/data/17974bffe/9b0be5a696ff4e23aa0d1a0ef8ea33c4/FLAGcab045736 [2022-10-17 16:49:53,559 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:49:53,560 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c [2022-10-17 16:49:53,568 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/bin/ukojak-92XMlrwhuB/data/17974bffe/9b0be5a696ff4e23aa0d1a0ef8ea33c4/FLAGcab045736 [2022-10-17 16:49:53,911 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/bin/ukojak-92XMlrwhuB/data/17974bffe/9b0be5a696ff4e23aa0d1a0ef8ea33c4 [2022-10-17 16:49:53,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:49:53,916 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:49:53,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:53,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:49:53,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:49:53,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:53" (1/1) ... [2022-10-17 16:49:53,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d9ff02f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:53, skipping insertion in model container [2022-10-17 16:49:53,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:53" (1/1) ... [2022-10-17 16:49:53,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:49:53,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:49:54,251 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_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c[3107,3120] [2022-10-17 16:49:54,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:54,290 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:49:54,318 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_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c[3107,3120] [2022-10-17 16:49:54,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:54,349 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:49:54,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:54 WrapperNode [2022-10-17 16:49:54,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:54,351 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:54,352 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:49:54,354 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:49:54,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:54" (1/1) ... [2022-10-17 16:49:54,388 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:54" (1/1) ... [2022-10-17 16:49:54,430 INFO L138 Inliner]: procedures = 25, calls = 52, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2022-10-17 16:49:54,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:54,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:49:54,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:49:54,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:49:54,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:54" (1/1) ... [2022-10-17 16:49:54,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:54" (1/1) ... [2022-10-17 16:49:54,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:54" (1/1) ... [2022-10-17 16:49:54,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:54" (1/1) ... [2022-10-17 16:49:54,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:54" (1/1) ... [2022-10-17 16:49:54,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:54" (1/1) ... [2022-10-17 16:49:54,483 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:54" (1/1) ... [2022-10-17 16:49:54,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:54" (1/1) ... [2022-10-17 16:49:54,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:49:54,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:49:54,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:49:54,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:49:54,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:54" (1/1) ... [2022-10-17 16:49:54,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:54,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:49:54,528 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:49:54,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:49:54,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:49:54,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:49:54,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:49:54,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:49:54,595 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 16:49:54,595 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 16:49:54,596 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 16:49:54,596 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 16:49:54,596 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-10-17 16:49:54,596 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-10-17 16:49:54,597 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:49:54,597 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:49:54,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:49:54,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:49:54,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:49:54,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:49:54,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:49:54,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:49:54,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:49:54,602 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 16:49:54,752 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:49:54,769 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:49:55,143 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:49:55,278 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:49:55,278 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:49:55,279 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2022-10-17 16:49:55,279 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 16:49:55,291 INFO L158 Benchmark]: Toolchain (without parser) took 1371.95ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 44.1MB in the beginning and 49.7MB in the end (delta: -5.6MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2022-10-17 16:49:55,292 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:49:55,294 INFO L158 Benchmark]: CACSL2BoogieTranslator took 432.61ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 43.9MB in the beginning and 75.5MB in the end (delta: -31.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:49:55,295 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.32ms. Allocated memory is still 102.8MB. Free memory was 75.5MB in the beginning and 73.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:49:55,297 INFO L158 Benchmark]: Boogie Preprocessor took 56.52ms. Allocated memory is still 102.8MB. Free memory was 73.8MB in the beginning and 72.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:49:55,297 INFO L158 Benchmark]: RCFGBuilder took 797.23ms. Allocated memory is still 102.8MB. Free memory was 72.1MB in the beginning and 49.7MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-10-17 16:49:55,307 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 83.9MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 432.61ms. Allocated memory was 83.9MB in the beginning and 102.8MB in the end (delta: 18.9MB). Free memory was 43.9MB in the beginning and 75.5MB in the end (delta: -31.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.32ms. Allocated memory is still 102.8MB. Free memory was 75.5MB in the beginning and 73.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 56.52ms. Allocated memory is still 102.8MB. Free memory was 73.8MB in the beginning and 72.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 797.23ms. Allocated memory is still 102.8MB. Free memory was 72.1MB in the beginning and 49.7MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. 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 16:49:55,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/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_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/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_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/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_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/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 238e609d3671ff2de494998b0abc6a14651375b5eb423e7b66fc3d987b466268 --- 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 16:49:57,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:49:57,807 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:49:57,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:49:57,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:49:57,850 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:49:57,852 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:49:57,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:49:57,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:49:57,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:49:57,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:49:57,861 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:49:57,862 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:49:57,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:49:57,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:49:57,866 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:49:57,868 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:49:57,869 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:49:57,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:49:57,874 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:49:57,882 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:49:57,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:49:57,900 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:49:57,901 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:49:57,914 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:49:57,914 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:49:57,915 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:49:57,916 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:49:57,916 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:49:57,917 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:49:57,918 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:49:57,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:49:57,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:49:57,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:49:57,922 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:49:57,922 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:49:57,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:49:57,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:49:57,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:49:57,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:49:57,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:49:57,937 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:49:57,977 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:49:57,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:49:57,980 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:49:57,980 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:49:57,981 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:49:57,982 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:49:57,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:49:57,982 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:49:57,982 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:49:57,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:49:57,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:49:57,984 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:49:57,984 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:49:57,984 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:49:57,985 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:49:57,985 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:49:57,985 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:49:57,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:49:57,985 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:49:57,986 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:49:57,986 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:49:57,986 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:49:57,986 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:49:57,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:57,987 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:49:57,987 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:49:57,987 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:49:57,988 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:49:57,988 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:49:57,988 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:49:57,988 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:49:57,988 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:49:57,989 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_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 238e609d3671ff2de494998b0abc6a14651375b5eb423e7b66fc3d987b466268 [2022-10-17 16:49:58,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:49:58,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:49:58,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:49:58,409 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:49:58,410 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:49:58,413 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c [2022-10-17 16:49:58,500 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/bin/ukojak-92XMlrwhuB/data/ee947b80e/45b4af8530f147c8ad2aed2e25142256/FLAG542a2852d [2022-10-17 16:49:59,080 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:49:59,080 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c [2022-10-17 16:49:59,087 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/bin/ukojak-92XMlrwhuB/data/ee947b80e/45b4af8530f147c8ad2aed2e25142256/FLAG542a2852d [2022-10-17 16:49:59,433 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/bin/ukojak-92XMlrwhuB/data/ee947b80e/45b4af8530f147c8ad2aed2e25142256 [2022-10-17 16:49:59,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:49:59,437 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:49:59,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:59,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:49:59,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:49:59,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:59" (1/1) ... [2022-10-17 16:49:59,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@270e22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:59, skipping insertion in model container [2022-10-17 16:49:59,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:59" (1/1) ... [2022-10-17 16:49:59,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:49:59,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:49:59,755 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_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c[3107,3120] [2022-10-17 16:49:59,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:59,790 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-10-17 16:49:59,809 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:49:59,839 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_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c[3107,3120] [2022-10-17 16:49:59,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:59,860 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:49:59,901 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c[3107,3120] [2022-10-17 16:49:59,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:59,940 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:49:59,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:59 WrapperNode [2022-10-17 16:49:59,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:59,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:59,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:49:59,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:49:59,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:59" (1/1) ... [2022-10-17 16:49:59,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:59" (1/1) ... [2022-10-17 16:50:00,004 INFO L138 Inliner]: procedures = 27, calls = 52, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 87 [2022-10-17 16:50:00,005 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:00,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:50:00,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:50:00,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:50:00,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:59" (1/1) ... [2022-10-17 16:50:00,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:59" (1/1) ... [2022-10-17 16:50:00,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:59" (1/1) ... [2022-10-17 16:50:00,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:59" (1/1) ... [2022-10-17 16:50:00,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:59" (1/1) ... [2022-10-17 16:50:00,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:59" (1/1) ... [2022-10-17 16:50:00,064 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:59" (1/1) ... [2022-10-17 16:50:00,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:59" (1/1) ... [2022-10-17 16:50:00,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:50:00,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:50:00,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:50:00,079 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:50:00,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:59" (1/1) ... [2022-10-17 16:50:00,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:00,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:50:00,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:50:00,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:50:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:50:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:50:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:50:00,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 16:50:00,163 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 16:50:00,163 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 16:50:00,163 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 16:50:00,163 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 16:50:00,163 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-10-17 16:50:00,164 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-10-17 16:50:00,164 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:50:00,164 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:50:00,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:50:00,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:50:00,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:50:00,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:50:00,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:50:00,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:50:00,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:50:00,166 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 16:50:00,318 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:50:00,321 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:50:00,774 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:50:01,000 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:50:01,000 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:50:01,001 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2022-10-17 16:50:01,002 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 16:50:01,014 INFO L158 Benchmark]: Toolchain (without parser) took 1575.42ms. Allocated memory is still 65.0MB. Free memory was 43.5MB in the beginning and 29.3MB in the end (delta: 14.3MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2022-10-17 16:50:01,014 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 65.0MB. Free memory was 44.3MB in the beginning and 44.3MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:50:01,015 INFO L158 Benchmark]: CACSL2BoogieTranslator took 502.50ms. Allocated memory is still 65.0MB. Free memory was 43.3MB in the beginning and 43.3MB in the end (delta: -27.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:50:01,016 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.06ms. Allocated memory is still 65.0MB. Free memory was 43.1MB in the beginning and 41.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:50:01,017 INFO L158 Benchmark]: Boogie Preprocessor took 70.46ms. Allocated memory is still 65.0MB. Free memory was 41.4MB in the beginning and 39.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:50:01,017 INFO L158 Benchmark]: RCFGBuilder took 934.23ms. Allocated memory is still 65.0MB. Free memory was 39.8MB in the beginning and 29.3MB in the end (delta: 10.5MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2022-10-17 16:50:01,021 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 65.0MB. Free memory was 44.3MB in the beginning and 44.3MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 502.50ms. Allocated memory is still 65.0MB. Free memory was 43.3MB in the beginning and 43.3MB in the end (delta: -27.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.06ms. Allocated memory is still 65.0MB. Free memory was 43.1MB in the beginning and 41.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.46ms. Allocated memory is still 65.0MB. Free memory was 41.4MB in the beginning and 39.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 934.23ms. Allocated memory is still 65.0MB. Free memory was 39.8MB in the beginning and 29.3MB in the end (delta: 10.5MB). Peak memory consumption was 16.7MB. 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 16:50:01,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae8ab9ab-5bdb-43be-801f-75a55c0ee2b1/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?