./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_a40b8ade-929c-49cb-951b-dd21414bcf22/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40b8ade-929c-49cb-951b-dd21414bcf22/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40b8ade-929c-49cb-951b-dd21414bcf22/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40b8ade-929c-49cb-951b-dd21414bcf22/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40b8ade-929c-49cb-951b-dd21414bcf22/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40b8ade-929c-49cb-951b-dd21414bcf22/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 608e0c2870f111f9f6921442a1f1a544ee956a8de04c7629c0edf3e54cde4da3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:47:27,145 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:47:27,289 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40b8ade-929c-49cb-951b-dd21414bcf22/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:47:27,294 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:47:27,295 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:47:27,328 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:47:27,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:47:27,329 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:47:27,330 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:47:27,331 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:47:27,332 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:47:27,333 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:47:27,333 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:47:27,334 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:47:27,335 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:47:27,335 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:47:27,336 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:47:27,337 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:47:27,337 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:47:27,338 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:47:27,338 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:47:27,339 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:47:27,340 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:47:27,341 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:47:27,341 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:47:27,342 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:47:27,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:47:27,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:47:27,344 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:47:27,344 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:47:27,345 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:47:27,345 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:47:27,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:47:27,347 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:47:27,347 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_a40b8ade-929c-49cb-951b-dd21414bcf22/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40b8ade-929c-49cb-951b-dd21414bcf22/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 608e0c2870f111f9f6921442a1f1a544ee956a8de04c7629c0edf3e54cde4da3 [2023-11-11 23:47:27,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:47:27,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:47:27,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:47:27,733 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:47:27,734 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:47:27,736 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40b8ade-929c-49cb-951b-dd21414bcf22/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c [2023-11-11 23:47:31,152 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:47:31,418 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:47:31,419 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40b8ade-929c-49cb-951b-dd21414bcf22/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c [2023-11-11 23:47:31,433 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40b8ade-929c-49cb-951b-dd21414bcf22/bin/ukojak-verify-0OAaufAVZV/data/ad9d5e917/b28e7e937e6045769c882f8b7a8ce81f/FLAG7e27766a8 [2023-11-11 23:47:31,456 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40b8ade-929c-49cb-951b-dd21414bcf22/bin/ukojak-verify-0OAaufAVZV/data/ad9d5e917/b28e7e937e6045769c882f8b7a8ce81f [2023-11-11 23:47:31,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:47:31,467 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:47:31,472 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:47:31,472 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:47:31,478 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:47:31,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:47:31" (1/1) ... [2023-11-11 23:47:31,485 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79dcb00e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:31, skipping insertion in model container [2023-11-11 23:47:31,485 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:47:31" (1/1) ... [2023-11-11 23:47:31,529 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:47:31,816 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:47:31,827 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:47:31,857 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:47:31,868 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:31,868 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:31,878 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:47:31,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:31 WrapperNode [2023-11-11 23:47:31,878 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:47:31,880 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:47:31,880 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:47:31,880 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:47:31,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:31" (1/1) ... [2023-11-11 23:47:31,899 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:31" (1/1) ... [2023-11-11 23:47:31,927 INFO L138 Inliner]: procedures = 24, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 83 [2023-11-11 23:47:31,927 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:47:31,928 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:47:31,928 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:47:31,928 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:47:31,940 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:31" (1/1) ... [2023-11-11 23:47:31,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:31" (1/1) ... [2023-11-11 23:47:31,944 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:31" (1/1) ... [2023-11-11 23:47:31,945 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:31" (1/1) ... [2023-11-11 23:47:31,954 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:31" (1/1) ... [2023-11-11 23:47:31,959 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:31" (1/1) ... [2023-11-11 23:47:31,961 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:31" (1/1) ... [2023-11-11 23:47:31,963 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:31" (1/1) ... [2023-11-11 23:47:31,966 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:47:31,967 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:47:31,968 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:47:31,968 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:47:31,969 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:31" (1/1) ... [2023-11-11 23:47:31,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:47:31,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40b8ade-929c-49cb-951b-dd21414bcf22/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:47:32,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40b8ade-929c-49cb-951b-dd21414bcf22/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:47:32,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40b8ade-929c-49cb-951b-dd21414bcf22/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:47:32,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:47:32,061 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:47:32,062 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:47:32,063 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:47:32,063 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:47:32,063 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:47:32,064 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:47:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:47:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:47:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:47:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:47:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:47:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:47:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:47:32,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:47:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:47:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:47:32,069 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:47:32,197 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:47:32,200 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:47:32,531 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:47:32,758 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:47:32,758 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-11 23:47:32,759 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L49 is neither atomic block end nor a sink node. [2023-11-11 23:47:32,760 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) 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) [2023-11-11 23:47:32,766 INFO L158 Benchmark]: Toolchain (without parser) took 1297.89ms. Allocated memory is still 197.1MB. Free memory was 150.0MB in the beginning and 106.0MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-11 23:47:32,767 INFO L158 Benchmark]: CDTParser took 0.83ms. Allocated memory is still 142.6MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:47:32,768 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.16ms. Allocated memory is still 197.1MB. Free memory was 150.0MB in the beginning and 138.6MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:47:32,769 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.61ms. Allocated memory is still 197.1MB. Free memory was 138.6MB in the beginning and 137.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:47:32,769 INFO L158 Benchmark]: Boogie Preprocessor took 38.48ms. Allocated memory is still 197.1MB. Free memory was 137.3MB in the beginning and 135.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:47:32,770 INFO L158 Benchmark]: RCFGBuilder took 796.62ms. Allocated memory is still 197.1MB. Free memory was 135.4MB in the beginning and 106.0MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-11 23:47:32,774 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83ms. Allocated memory is still 142.6MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.16ms. Allocated memory is still 197.1MB. Free memory was 150.0MB in the beginning and 138.6MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.61ms. Allocated memory is still 197.1MB. Free memory was 138.6MB in the beginning and 137.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.48ms. Allocated memory is still 197.1MB. Free memory was 137.3MB in the beginning and 135.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 796.62ms. Allocated memory is still 197.1MB. Free memory was 135.4MB in the beginning and 106.0MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:47:32,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40b8ade-929c-49cb-951b-dd21414bcf22/bin/ukojak-verify-0OAaufAVZV/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_a40b8ade-929c-49cb-951b-dd21414bcf22/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40b8ade-929c-49cb-951b-dd21414bcf22/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40b8ade-929c-49cb-951b-dd21414bcf22/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40b8ade-929c-49cb-951b-dd21414bcf22/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40b8ade-929c-49cb-951b-dd21414bcf22/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40b8ade-929c-49cb-951b-dd21414bcf22/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 608e0c2870f111f9f6921442a1f1a544ee956a8de04c7629c0edf3e54cde4da3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:47:36,095 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:47:36,257 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40b8ade-929c-49cb-951b-dd21414bcf22/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:47:36,321 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:47:36,322 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:47:36,323 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:47:36,325 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:47:36,326 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:47:36,328 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:47:36,334 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:47:36,335 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:47:36,336 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:47:36,336 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:47:36,338 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:47:36,339 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:47:36,340 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:47:36,340 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:47:36,341 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:47:36,341 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:47:36,343 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:47:36,343 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:47:36,344 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:47:36,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:47:36,345 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:47:36,346 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:47:36,346 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:47:36,347 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:47:36,347 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:47:36,348 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:47:36,348 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:47:36,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:47:36,350 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:47:36,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:47:36,351 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:47:36,352 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:47:36,352 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:47:36,352 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:47:36,353 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:47:36,353 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:47:36,354 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_a40b8ade-929c-49cb-951b-dd21414bcf22/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40b8ade-929c-49cb-951b-dd21414bcf22/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 608e0c2870f111f9f6921442a1f1a544ee956a8de04c7629c0edf3e54cde4da3 [2023-11-11 23:47:36,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:47:36,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:47:36,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:47:36,851 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:47:36,852 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:47:36,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40b8ade-929c-49cb-951b-dd21414bcf22/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c [2023-11-11 23:47:40,198 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:47:40,501 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:47:40,502 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40b8ade-929c-49cb-951b-dd21414bcf22/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c [2023-11-11 23:47:40,513 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40b8ade-929c-49cb-951b-dd21414bcf22/bin/ukojak-verify-0OAaufAVZV/data/fa8f7c532/e5d051e20a6741a29810c47bcb2e6917/FLAGa2b9c7748 [2023-11-11 23:47:40,540 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40b8ade-929c-49cb-951b-dd21414bcf22/bin/ukojak-verify-0OAaufAVZV/data/fa8f7c532/e5d051e20a6741a29810c47bcb2e6917 [2023-11-11 23:47:40,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:47:40,552 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:47:40,557 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:47:40,557 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:47:40,563 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:47:40,564 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:47:40" (1/1) ... [2023-11-11 23:47:40,565 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e47f922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:40, skipping insertion in model container [2023-11-11 23:47:40,565 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:47:40" (1/1) ... [2023-11-11 23:47:40,608 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:47:40,917 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:47:40,942 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-11 23:47:40,959 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:47:40,998 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:47:41,006 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:47:41,057 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:47:41,073 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:41,073 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:41,082 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:47:41,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:41 WrapperNode [2023-11-11 23:47:41,083 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:47:41,085 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:47:41,085 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:47:41,085 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:47:41,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:41" (1/1) ... [2023-11-11 23:47:41,112 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:41" (1/1) ... [2023-11-11 23:47:41,147 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2023-11-11 23:47:41,147 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:47:41,148 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:47:41,149 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:47:41,149 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:47:41,160 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:41" (1/1) ... [2023-11-11 23:47:41,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:41" (1/1) ... [2023-11-11 23:47:41,181 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:41" (1/1) ... [2023-11-11 23:47:41,182 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:41" (1/1) ... [2023-11-11 23:47:41,206 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:41" (1/1) ... [2023-11-11 23:47:41,211 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:41" (1/1) ... [2023-11-11 23:47:41,213 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:41" (1/1) ... [2023-11-11 23:47:41,215 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:41" (1/1) ... [2023-11-11 23:47:41,219 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:47:41,221 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:47:41,221 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:47:41,221 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:47:41,222 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:41" (1/1) ... [2023-11-11 23:47:41,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:47:41,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40b8ade-929c-49cb-951b-dd21414bcf22/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:47:41,269 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40b8ade-929c-49cb-951b-dd21414bcf22/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:47:41,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40b8ade-929c-49cb-951b-dd21414bcf22/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:47:41,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:47:41,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:47:41,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:47:41,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:47:41,333 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:47:41,333 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:47:41,333 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:47:41,334 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:47:41,334 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:47:41,334 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:47:41,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:47:41,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:47:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:47:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:47:41,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:47:41,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:47:41,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:47:41,340 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:47:41,524 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:47:41,527 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:47:42,021 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:47:42,326 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:47:42,327 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-11 23:47:42,328 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L49 is neither atomic block end nor a sink node. [2023-11-11 23:47:42,329 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) 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) [2023-11-11 23:47:42,335 INFO L158 Benchmark]: Toolchain (without parser) took 1781.10ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 56.4MB in the beginning and 53.0MB in the end (delta: 3.4MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2023-11-11 23:47:42,335 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 79.7MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:47:42,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.89ms. Allocated memory is still 79.7MB. Free memory was 56.4MB in the beginning and 43.2MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:47:42,337 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.85ms. Allocated memory is still 79.7MB. Free memory was 43.2MB in the beginning and 41.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:47:42,338 INFO L158 Benchmark]: Boogie Preprocessor took 71.33ms. Allocated memory is still 79.7MB. Free memory was 41.5MB in the beginning and 39.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:47:42,339 INFO L158 Benchmark]: RCFGBuilder took 1111.56ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 39.8MB in the beginning and 53.0MB in the end (delta: -13.2MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2023-11-11 23:47:42,343 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 79.7MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 526.89ms. Allocated memory is still 79.7MB. Free memory was 56.4MB in the beginning and 43.2MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.85ms. Allocated memory is still 79.7MB. Free memory was 43.2MB in the beginning and 41.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.33ms. Allocated memory is still 79.7MB. Free memory was 41.5MB in the beginning and 39.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1111.56ms. Allocated memory was 79.7MB in the beginning and 104.9MB in the end (delta: 25.2MB). Free memory was 39.8MB in the beginning and 53.0MB in the end (delta: -13.2MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:47:42,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40b8ade-929c-49cb-951b-dd21414bcf22/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?