./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --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 d2a575889db2e07e0d6a3fd2f8635ba39d2afc2713d706bcd4d4aaa862bed792 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:18:39,297 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:18:39,359 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 04:18:39,363 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:18:39,363 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:18:39,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:18:39,385 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:18:39,386 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:18:39,387 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:18:39,387 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:18:39,388 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:18:39,388 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:18:39,389 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:18:39,389 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:18:39,390 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:18:39,390 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:18:39,391 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:18:39,391 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:18:39,392 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:18:39,392 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:18:39,393 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:18:39,394 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:18:39,394 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:18:39,395 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:18:39,395 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:18:39,396 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:18:39,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:18:39,397 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:18:39,397 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:18:39,398 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:18:39,398 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:18:39,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:18:39,399 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:18:39,399 INFO L153 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_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2a575889db2e07e0d6a3fd2f8635ba39d2afc2713d706bcd4d4aaa862bed792 [2023-12-03 04:18:39,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:18:39,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:18:39,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:18:39,644 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:18:39,644 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:18:39,645 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c [2023-12-03 04:18:42,405 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:18:42,569 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:18:42,570 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c [2023-12-03 04:18:42,579 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/bin/ukojak-verify-Qdu7aM0XO9/data/5795657b0/44a4cec13d974358907fe391258a37df/FLAGa0bcf679b [2023-12-03 04:18:42,593 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/bin/ukojak-verify-Qdu7aM0XO9/data/5795657b0/44a4cec13d974358907fe391258a37df [2023-12-03 04:18:42,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:18:42,598 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:18:42,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:18:42,599 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:18:42,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:18:42,605 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:18:42" (1/1) ... [2023-12-03 04:18:42,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@558ce118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:42, skipping insertion in model container [2023-12-03 04:18:42,606 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:18:42" (1/1) ... [2023-12-03 04:18:42,632 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:18:42,810 WARN L240 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_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c[2676,2689] [2023-12-03 04:18:42,820 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:18:42,831 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:18:42,852 WARN L240 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_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c[2676,2689] [2023-12-03 04:18:42,856 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:18:42,865 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:18:42,865 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:18:42,873 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:18:42,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:42 WrapperNode [2023-12-03 04:18:42,873 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:18:42,875 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:18:42,875 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:18:42,875 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:18:42,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:42" (1/1) ... [2023-12-03 04:18:42,892 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:42" (1/1) ... [2023-12-03 04:18:42,914 INFO L138 Inliner]: procedures = 24, calls = 37, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 79 [2023-12-03 04:18:42,914 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:18:42,915 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:18:42,915 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:18:42,916 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:18:42,925 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:42" (1/1) ... [2023-12-03 04:18:42,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:42" (1/1) ... [2023-12-03 04:18:42,928 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:42" (1/1) ... [2023-12-03 04:18:42,928 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:42" (1/1) ... [2023-12-03 04:18:42,936 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:42" (1/1) ... [2023-12-03 04:18:42,939 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:42" (1/1) ... [2023-12-03 04:18:42,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:42" (1/1) ... [2023-12-03 04:18:42,943 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:42" (1/1) ... [2023-12-03 04:18:42,945 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:18:42,946 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:18:42,947 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:18:42,947 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:18:42,948 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:42" (1/1) ... [2023-12-03 04:18:42,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:18:42,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:18:42,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:18:42,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:18:43,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:18:43,013 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 04:18:43,013 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 04:18:43,013 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 04:18:43,013 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 04:18:43,014 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 04:18:43,014 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 04:18:43,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:18:43,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:18:43,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 04:18:43,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 04:18:43,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 04:18:43,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 04:18:43,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:18:43,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:18:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 04:18:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:18:43,017 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 04:18:43,117 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:18:43,119 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:18:43,330 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:18:43,422 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2023-12-03 04:18:43,426 INFO L158 Benchmark]: Toolchain (without parser) took 827.22ms. Allocated memory is still 155.2MB. Free memory was 108.8MB in the beginning and 70.4MB in the end (delta: 38.4MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-03 04:18:43,426 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 155.2MB. Free memory is still 128.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:18:43,427 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.87ms. Allocated memory is still 155.2MB. Free memory was 108.5MB in the beginning and 96.8MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 04:18:43,427 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.94ms. Allocated memory is still 155.2MB. Free memory was 96.8MB in the beginning and 95.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:18:43,428 INFO L158 Benchmark]: Boogie Preprocessor took 30.41ms. Allocated memory is still 155.2MB. Free memory was 95.0MB in the beginning and 93.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:18:43,429 INFO L158 Benchmark]: RCFGBuilder took 477.66ms. Allocated memory is still 155.2MB. Free memory was 93.5MB in the beginning and 70.4MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-03 04:18:43,431 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 155.2MB. Free memory is still 128.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.87ms. Allocated memory is still 155.2MB. Free memory was 108.5MB in the beginning and 96.8MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.94ms. Allocated memory is still 155.2MB. Free memory was 96.8MB in the beginning and 95.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.41ms. Allocated memory is still 155.2MB. Free memory was 95.0MB in the beginning and 93.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 477.66ms. Allocated memory is still 155.2MB. Free memory was 93.5MB in the beginning and 70.4MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:18:43,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/bin/ukojak-verify-Qdu7aM0XO9/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --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 d2a575889db2e07e0d6a3fd2f8635ba39d2afc2713d706bcd4d4aaa862bed792 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:18:45,373 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:18:45,440 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 04:18:45,483 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:18:45,484 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:18:45,484 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:18:45,485 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:18:45,486 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:18:45,487 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:18:45,487 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:18:45,488 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:18:45,488 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:18:45,489 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:18:45,489 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:18:45,490 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:18:45,490 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:18:45,491 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:18:45,491 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:18:45,492 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:18:45,492 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:18:45,493 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:18:45,493 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:18:45,494 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:18:45,495 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:18:45,495 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:18:45,496 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:18:45,497 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:18:45,497 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:18:45,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:18:45,498 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:18:45,499 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:18:45,499 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:18:45,499 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:18:45,500 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:18:45,500 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:18:45,500 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:18:45,500 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:18:45,500 INFO L153 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_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2a575889db2e07e0d6a3fd2f8635ba39d2afc2713d706bcd4d4aaa862bed792 [2023-12-03 04:18:45,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:18:45,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:18:45,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:18:45,805 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:18:45,805 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:18:45,807 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c [2023-12-03 04:18:48,566 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:18:48,786 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:18:48,786 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c [2023-12-03 04:18:48,794 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/bin/ukojak-verify-Qdu7aM0XO9/data/b67727922/280f61267b9c448696e33a08e8a0a5b2/FLAG2e6fb2ac8 [2023-12-03 04:18:48,807 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/bin/ukojak-verify-Qdu7aM0XO9/data/b67727922/280f61267b9c448696e33a08e8a0a5b2 [2023-12-03 04:18:48,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:18:48,810 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:18:48,812 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:18:48,812 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:18:48,815 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:18:48,816 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:18:48" (1/1) ... [2023-12-03 04:18:48,817 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cb188d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:48, skipping insertion in model container [2023-12-03 04:18:48,818 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:18:48" (1/1) ... [2023-12-03 04:18:48,841 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:18:48,991 WARN L240 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_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c[2676,2689] [2023-12-03 04:18:49,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:18:49,015 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 04:18:49,020 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:18:49,034 WARN L240 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_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c[2676,2689] [2023-12-03 04:18:49,038 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:18:49,043 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:18:49,064 WARN L240 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_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/sv-benchmarks/c/weaver/popl20-send-receive-alt.wvr.c[2676,2689] [2023-12-03 04:18:49,067 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:18:49,076 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:18:49,076 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:18:49,082 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:18:49,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:49 WrapperNode [2023-12-03 04:18:49,083 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:18:49,084 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:18:49,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:18:49,084 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:18:49,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:49" (1/1) ... [2023-12-03 04:18:49,100 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:49" (1/1) ... [2023-12-03 04:18:49,122 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2023-12-03 04:18:49,122 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:18:49,123 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:18:49,123 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:18:49,123 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:18:49,139 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:49" (1/1) ... [2023-12-03 04:18:49,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:49" (1/1) ... [2023-12-03 04:18:49,144 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:49" (1/1) ... [2023-12-03 04:18:49,144 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:49" (1/1) ... [2023-12-03 04:18:49,154 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:49" (1/1) ... [2023-12-03 04:18:49,157 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:49" (1/1) ... [2023-12-03 04:18:49,159 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:49" (1/1) ... [2023-12-03 04:18:49,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:49" (1/1) ... [2023-12-03 04:18:49,180 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:18:49,181 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:18:49,181 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:18:49,181 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:18:49,182 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:18:49" (1/1) ... [2023-12-03 04:18:49,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:18:49,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:18:49,207 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:18:49,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:18:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:18:49,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:18:49,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:18:49,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 04:18:49,245 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 04:18:49,245 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 04:18:49,245 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 04:18:49,245 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 04:18:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 04:18:49,246 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 04:18:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 04:18:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 04:18:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 04:18:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:18:49,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:18:49,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:18:49,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 04:18:49,248 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 04:18:49,349 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:18:49,351 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:18:49,617 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:18:49,743 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2023-12-03 04:18:49,748 INFO L158 Benchmark]: Toolchain (without parser) took 937.16ms. Allocated memory is still 81.8MB. Free memory was 57.4MB in the beginning and 55.0MB in the end (delta: 2.4MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2023-12-03 04:18:49,748 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 56.6MB. Free memory was 33.1MB in the beginning and 33.0MB in the end (delta: 64.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:18:49,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.53ms. Allocated memory is still 81.8MB. Free memory was 57.2MB in the beginning and 43.6MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 04:18:49,750 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.62ms. Allocated memory is still 81.8MB. Free memory was 43.6MB in the beginning and 41.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:18:49,750 INFO L158 Benchmark]: Boogie Preprocessor took 57.24ms. Allocated memory is still 81.8MB. Free memory was 41.9MB in the beginning and 59.9MB in the end (delta: -18.0MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2023-12-03 04:18:49,751 INFO L158 Benchmark]: RCFGBuilder took 565.73ms. Allocated memory is still 81.8MB. Free memory was 59.9MB in the beginning and 55.0MB in the end (delta: 4.9MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2023-12-03 04:18:49,754 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 56.6MB. Free memory was 33.1MB in the beginning and 33.0MB in the end (delta: 64.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.53ms. Allocated memory is still 81.8MB. Free memory was 57.2MB in the beginning and 43.6MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.62ms. Allocated memory is still 81.8MB. Free memory was 43.6MB in the beginning and 41.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.24ms. Allocated memory is still 81.8MB. Free memory was 41.9MB in the beginning and 59.9MB in the end (delta: -18.0MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. * RCFGBuilder took 565.73ms. Allocated memory is still 81.8MB. Free memory was 59.9MB in the beginning and 55.0MB in the end (delta: 4.9MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:18:49,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9c7c719-70fc-4588-a67c-f38e6bf6cd18/bin/ukojak-verify-Qdu7aM0XO9/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: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?