./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc50c3-ee7c-4cd0-af77-de201703b6c6/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc50c3-ee7c-4cd0-af77-de201703b6c6/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_32dc50c3-ee7c-4cd0-af77-de201703b6c6/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc50c3-ee7c-4cd0-af77-de201703b6c6/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc50c3-ee7c-4cd0-af77-de201703b6c6/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_32dc50c3-ee7c-4cd0-af77-de201703b6c6/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 4eda2bf92bccdcc8638b67653fb7fdefc015ff9c815b317ad1009deb61d04585 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:24:46,785 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:24:46,851 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc50c3-ee7c-4cd0-af77-de201703b6c6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:24:46,856 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:24:46,857 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:24:46,906 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:24:46,906 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:24:46,907 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:24:46,908 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:24:46,908 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:24:46,909 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:24:46,909 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:24:46,910 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:24:46,910 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:24:46,911 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:24:46,911 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:24:46,912 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:24:46,912 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:24:46,913 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:24:46,913 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:24:46,913 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:24:46,914 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:24:46,914 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:24:46,915 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:24:46,915 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:24:46,916 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:24:46,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:24:46,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:24:46,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:24:46,917 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:24:46,918 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:24:46,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:24:46,926 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:24:46,927 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_32dc50c3-ee7c-4cd0-af77-de201703b6c6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc50c3-ee7c-4cd0-af77-de201703b6c6/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4eda2bf92bccdcc8638b67653fb7fdefc015ff9c815b317ad1009deb61d04585 [2023-12-02 21:24:47,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:24:47,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:24:47,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:24:47,207 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:24:47,208 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:24:47,209 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc50c3-ee7c-4cd0-af77-de201703b6c6/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c [2023-12-02 21:24:49,997 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:24:50,210 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:24:50,211 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc50c3-ee7c-4cd0-af77-de201703b6c6/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c [2023-12-02 21:24:50,219 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc50c3-ee7c-4cd0-af77-de201703b6c6/bin/ukojak-verify-Qdu7aM0XO9/data/8ace29dca/2fcbb4e9a9fe45a382898c4ea54442ab/FLAG6d8acd787 [2023-12-02 21:24:50,235 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc50c3-ee7c-4cd0-af77-de201703b6c6/bin/ukojak-verify-Qdu7aM0XO9/data/8ace29dca/2fcbb4e9a9fe45a382898c4ea54442ab [2023-12-02 21:24:50,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:24:50,240 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:24:50,241 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:24:50,241 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:24:50,246 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:24:50,247 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:24:50" (1/1) ... [2023-12-02 21:24:50,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fcd28dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:50, skipping insertion in model container [2023-12-02 21:24:50,248 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:24:50" (1/1) ... [2023-12-02 21:24:50,277 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:24:50,453 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_32dc50c3-ee7c-4cd0-af77-de201703b6c6/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c[3146,3159] [2023-12-02 21:24:50,463 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:24:50,476 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:24:50,502 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_32dc50c3-ee7c-4cd0-af77-de201703b6c6/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c[3146,3159] [2023-12-02 21:24:50,507 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:24:50,516 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:24:50,516 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:24:50,522 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:24:50,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:50 WrapperNode [2023-12-02 21:24:50,523 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:24:50,524 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:24:50,524 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:24:50,524 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:24:50,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:50" (1/1) ... [2023-12-02 21:24:50,538 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:50" (1/1) ... [2023-12-02 21:24:50,561 INFO L138 Inliner]: procedures = 25, calls = 52, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 93 [2023-12-02 21:24:50,561 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:24:50,562 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:24:50,562 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:24:50,562 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:24:50,570 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:50" (1/1) ... [2023-12-02 21:24:50,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:50" (1/1) ... [2023-12-02 21:24:50,574 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:50" (1/1) ... [2023-12-02 21:24:50,574 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:50" (1/1) ... [2023-12-02 21:24:50,582 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:50" (1/1) ... [2023-12-02 21:24:50,586 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:50" (1/1) ... [2023-12-02 21:24:50,588 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:50" (1/1) ... [2023-12-02 21:24:50,589 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:50" (1/1) ... [2023-12-02 21:24:50,593 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:24:50,594 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:24:50,594 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:24:50,594 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:24:50,595 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:50" (1/1) ... [2023-12-02 21:24:50,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:24:50,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc50c3-ee7c-4cd0-af77-de201703b6c6/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:24:50,623 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc50c3-ee7c-4cd0-af77-de201703b6c6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:24:50,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc50c3-ee7c-4cd0-af77-de201703b6c6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:24:50,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:24:50,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:24:50,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 21:24:50,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 21:24:50,674 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 21:24:50,674 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 21:24:50,674 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 21:24:50,674 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 21:24:50,675 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-02 21:24:50,675 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-02 21:24:50,675 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 21:24:50,675 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 21:24:50,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:24:50,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 21:24:50,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 21:24:50,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 21:24:50,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:24:50,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:24:50,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:24:50,678 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 21:24:50,780 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:24:50,782 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:24:51,041 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:24:51,142 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) [2023-12-02 21:24:51,145 INFO L158 Benchmark]: Toolchain (without parser) took 905.25ms. Allocated memory is still 197.1MB. Free memory was 163.5MB in the beginning and 123.1MB in the end (delta: 40.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-12-02 21:24:51,146 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 119.5MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:24:51,146 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.39ms. Allocated memory is still 197.1MB. Free memory was 163.5MB in the beginning and 150.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 21:24:51,147 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.60ms. Allocated memory is still 197.1MB. Free memory was 150.9MB in the beginning and 149.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:24:51,148 INFO L158 Benchmark]: Boogie Preprocessor took 30.89ms. Allocated memory is still 197.1MB. Free memory was 149.4MB in the beginning and 147.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:24:51,148 INFO L158 Benchmark]: RCFGBuilder took 550.29ms. Allocated memory is still 197.1MB. Free memory was 147.6MB in the beginning and 123.1MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-02 21:24:51,151 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 119.5MB. Free memory is still 92.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.39ms. Allocated memory is still 197.1MB. Free memory was 163.5MB in the beginning and 150.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.60ms. Allocated memory is still 197.1MB. Free memory was 150.9MB in the beginning and 149.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.89ms. Allocated memory is still 197.1MB. Free memory was 149.4MB in the beginning and 147.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 550.29ms. Allocated memory is still 197.1MB. Free memory was 147.6MB in the beginning and 123.1MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. 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. [2023-12-02 21:24:51,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc50c3-ee7c-4cd0-af77-de201703b6c6/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc50c3-ee7c-4cd0-af77-de201703b6c6/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc50c3-ee7c-4cd0-af77-de201703b6c6/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_32dc50c3-ee7c-4cd0-af77-de201703b6c6/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc50c3-ee7c-4cd0-af77-de201703b6c6/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc50c3-ee7c-4cd0-af77-de201703b6c6/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_32dc50c3-ee7c-4cd0-af77-de201703b6c6/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 4eda2bf92bccdcc8638b67653fb7fdefc015ff9c815b317ad1009deb61d04585 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:24:53,073 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:24:53,147 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc50c3-ee7c-4cd0-af77-de201703b6c6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 21:24:53,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:24:53,176 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:24:53,177 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:24:53,177 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:24:53,178 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:24:53,178 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:24:53,179 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:24:53,179 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:24:53,180 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:24:53,180 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:24:53,181 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:24:53,181 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:24:53,182 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:24:53,182 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:24:53,183 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:24:53,183 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:24:53,184 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:24:53,184 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:24:53,188 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:24:53,189 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:24:53,189 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:24:53,189 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:24:53,189 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:24:53,190 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:24:53,190 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:24:53,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:24:53,191 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:24:53,192 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:24:53,192 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:24:53,192 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:24:53,193 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:24:53,193 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:24:53,193 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:24:53,193 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:24:53,193 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_32dc50c3-ee7c-4cd0-af77-de201703b6c6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc50c3-ee7c-4cd0-af77-de201703b6c6/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4eda2bf92bccdcc8638b67653fb7fdefc015ff9c815b317ad1009deb61d04585 [2023-12-02 21:24:53,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:24:53,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:24:53,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:24:53,495 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:24:53,495 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:24:53,496 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc50c3-ee7c-4cd0-af77-de201703b6c6/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c [2023-12-02 21:24:56,344 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:24:56,540 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:24:56,540 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc50c3-ee7c-4cd0-af77-de201703b6c6/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c [2023-12-02 21:24:56,548 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc50c3-ee7c-4cd0-af77-de201703b6c6/bin/ukojak-verify-Qdu7aM0XO9/data/76a33c0a5/f6c8f8ec701d41a38d2e928692c3775f/FLAG921675404 [2023-12-02 21:24:56,561 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc50c3-ee7c-4cd0-af77-de201703b6c6/bin/ukojak-verify-Qdu7aM0XO9/data/76a33c0a5/f6c8f8ec701d41a38d2e928692c3775f [2023-12-02 21:24:56,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:24:56,564 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:24:56,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:24:56,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:24:56,570 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:24:56,570 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:24:56" (1/1) ... [2023-12-02 21:24:56,571 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@356bb004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:56, skipping insertion in model container [2023-12-02 21:24:56,572 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:24:56" (1/1) ... [2023-12-02 21:24:56,598 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:24:56,762 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_32dc50c3-ee7c-4cd0-af77-de201703b6c6/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c[3146,3159] [2023-12-02 21:24:56,773 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:24:56,786 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 21:24:56,790 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:24:56,807 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_32dc50c3-ee7c-4cd0-af77-de201703b6c6/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c[3146,3159] [2023-12-02 21:24:56,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:24:56,816 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:24:56,842 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_32dc50c3-ee7c-4cd0-af77-de201703b6c6/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c[3146,3159] [2023-12-02 21:24:56,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:24:56,856 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:24:56,857 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:24:56,873 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:24:56,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:56 WrapperNode [2023-12-02 21:24:56,873 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:24:56,875 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:24:56,875 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:24:56,875 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:24:56,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:56" (1/1) ... [2023-12-02 21:24:56,897 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:56" (1/1) ... [2023-12-02 21:24:56,942 INFO L138 Inliner]: procedures = 27, calls = 52, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2023-12-02 21:24:56,943 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:24:56,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:24:56,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:24:56,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:24:56,953 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:56" (1/1) ... [2023-12-02 21:24:56,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:56" (1/1) ... [2023-12-02 21:24:56,960 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:56" (1/1) ... [2023-12-02 21:24:56,960 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:56" (1/1) ... [2023-12-02 21:24:56,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:56" (1/1) ... [2023-12-02 21:24:56,976 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:56" (1/1) ... [2023-12-02 21:24:56,979 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:56" (1/1) ... [2023-12-02 21:24:56,981 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:56" (1/1) ... [2023-12-02 21:24:56,985 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:24:56,986 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:24:56,987 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:24:56,987 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:24:56,988 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:24:56" (1/1) ... [2023-12-02 21:24:56,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:24:57,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc50c3-ee7c-4cd0-af77-de201703b6c6/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:24:57,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc50c3-ee7c-4cd0-af77-de201703b6c6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:24:57,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc50c3-ee7c-4cd0-af77-de201703b6c6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:24:57,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:24:57,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:24:57,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:24:57,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 21:24:57,071 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 21:24:57,072 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 21:24:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 21:24:57,072 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 21:24:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-02 21:24:57,072 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-02 21:24:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 21:24:57,073 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 21:24:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 21:24:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 21:24:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 21:24:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:24:57,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:24:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:24:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 21:24:57,076 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 21:24:57,185 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:24:57,187 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:24:57,507 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:24:57,646 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) [2023-12-02 21:24:57,651 INFO L158 Benchmark]: Toolchain (without parser) took 1085.18ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 50.3MB in the beginning and 62.1MB in the end (delta: -11.8MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2023-12-02 21:24:57,651 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 73.4MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:24:57,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.91ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 50.1MB in the beginning and 72.2MB in the end (delta: -22.0MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2023-12-02 21:24:57,653 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.30ms. Allocated memory is still 92.3MB. Free memory was 72.2MB in the beginning and 70.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:24:57,654 INFO L158 Benchmark]: Boogie Preprocessor took 41.98ms. Allocated memory is still 92.3MB. Free memory was 70.4MB in the beginning and 68.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:24:57,654 INFO L158 Benchmark]: RCFGBuilder took 662.38ms. Allocated memory is still 92.3MB. Free memory was 68.7MB in the beginning and 62.1MB in the end (delta: 6.5MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2023-12-02 21:24:57,658 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 73.4MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.91ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 50.1MB in the beginning and 72.2MB in the end (delta: -22.0MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.30ms. Allocated memory is still 92.3MB. Free memory was 72.2MB in the beginning and 70.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.98ms. Allocated memory is still 92.3MB. Free memory was 70.4MB in the beginning and 68.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 662.38ms. Allocated memory is still 92.3MB. Free memory was 68.7MB in the beginning and 62.1MB in the end (delta: 6.5MB). Peak memory consumption was 28.8MB. 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. [2023-12-02 21:24:57,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc50c3-ee7c-4cd0-af77-de201703b6c6/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?