./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_c4ac4d7e-debf-4d85-a5da-8f3c11ab3e18/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ac4d7e-debf-4d85-a5da-8f3c11ab3e18/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_c4ac4d7e-debf-4d85-a5da-8f3c11ab3e18/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ac4d7e-debf-4d85-a5da-8f3c11ab3e18/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ac4d7e-debf-4d85-a5da-8f3c11ab3e18/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_c4ac4d7e-debf-4d85-a5da-8f3c11ab3e18/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 be394a9cdc866c1e1426a3fe296e99873bcf37ee5e7e1c9e487b239a3e0a8fbe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:45:00,740 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:45:00,857 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ac4d7e-debf-4d85-a5da-8f3c11ab3e18/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:45:00,864 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:45:00,865 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:45:00,908 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:45:00,909 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:45:00,909 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:45:00,911 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:45:00,916 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:45:00,916 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:45:00,917 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:45:00,918 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:45:00,919 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:45:00,920 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:45:00,920 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:45:00,921 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:45:00,921 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:45:00,922 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:45:00,922 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:45:00,923 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:45:00,923 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:45:00,924 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:45:00,924 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:45:00,925 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:45:00,925 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:45:00,926 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:45:00,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:45:00,927 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:45:00,928 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:45:00,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:45:00,930 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:45:00,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:45:00,930 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:45:00,930 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_c4ac4d7e-debf-4d85-a5da-8f3c11ab3e18/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ac4d7e-debf-4d85-a5da-8f3c11ab3e18/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be394a9cdc866c1e1426a3fe296e99873bcf37ee5e7e1c9e487b239a3e0a8fbe [2023-11-11 23:45:01,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:45:01,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:45:01,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:45:01,308 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:45:01,308 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:45:01,310 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ac4d7e-debf-4d85-a5da-8f3c11ab3e18/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c [2023-11-11 23:45:04,466 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:45:04,839 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:45:04,840 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ac4d7e-debf-4d85-a5da-8f3c11ab3e18/sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c [2023-11-11 23:45:04,852 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ac4d7e-debf-4d85-a5da-8f3c11ab3e18/bin/ukojak-verify-0OAaufAVZV/data/b9d8f5937/176a644111814249b02ccb324cb72f6f/FLAG0f223eebe [2023-11-11 23:45:04,871 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ac4d7e-debf-4d85-a5da-8f3c11ab3e18/bin/ukojak-verify-0OAaufAVZV/data/b9d8f5937/176a644111814249b02ccb324cb72f6f [2023-11-11 23:45:04,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:45:04,880 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:45:04,886 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:45:04,886 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:45:04,891 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:45:04,893 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:45:04" (1/1) ... [2023-11-11 23:45:04,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69dc77f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:04, skipping insertion in model container [2023-11-11 23:45:04,895 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:45:04" (1/1) ... [2023-11-11 23:45:04,944 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:45:05,180 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:45:05,193 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:45:05,230 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:45:05,240 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:45:05,240 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:45:05,249 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:45:05,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:05 WrapperNode [2023-11-11 23:45:05,250 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:45:05,251 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:45:05,251 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:45:05,251 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:45:05,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:05" (1/1) ... [2023-11-11 23:45:05,276 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:05" (1/1) ... [2023-11-11 23:45:05,301 INFO L138 Inliner]: procedures = 25, calls = 62, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 111 [2023-11-11 23:45:05,302 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:45:05,303 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:45:05,303 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:45:05,303 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:45:05,314 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:05" (1/1) ... [2023-11-11 23:45:05,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:05" (1/1) ... [2023-11-11 23:45:05,322 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:05" (1/1) ... [2023-11-11 23:45:05,322 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:05" (1/1) ... [2023-11-11 23:45:05,339 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:05" (1/1) ... [2023-11-11 23:45:05,345 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:05" (1/1) ... [2023-11-11 23:45:05,350 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:05" (1/1) ... [2023-11-11 23:45:05,352 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:05" (1/1) ... [2023-11-11 23:45:05,357 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:45:05,358 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:45:05,358 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:45:05,359 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:45:05,360 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:05" (1/1) ... [2023-11-11 23:45:05,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:45:05,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ac4d7e-debf-4d85-a5da-8f3c11ab3e18/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:45:05,408 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ac4d7e-debf-4d85-a5da-8f3c11ab3e18/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:45:05,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ac4d7e-debf-4d85-a5da-8f3c11ab3e18/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:45:05,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:45:05,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:45:05,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:45:05,469 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-11 23:45:05,469 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-11 23:45:05,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:45:05,470 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:45:05,470 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:45:05,470 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:45:05,470 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:45:05,470 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-11 23:45:05,470 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-11 23:45:05,471 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:45:05,471 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:45:05,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:45:05,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:45:05,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:45:05,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:45:05,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:45:05,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:45:05,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:45:05,474 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 23:45:05,615 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:45:05,617 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:45:06,139 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:45:06,449 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:45:06,450 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-11 23:45:06,451 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L58 is neither atomic block end nor a sink node. [2023-11-11 23:45:06,452 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 23:45:06,457 INFO L158 Benchmark]: Toolchain (without parser) took 1576.22ms. Allocated memory is still 153.1MB. Free memory was 122.3MB in the beginning and 100.2MB in the end (delta: 22.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-11 23:45:06,458 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 109.1MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:45:06,459 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.25ms. Allocated memory is still 153.1MB. Free memory was 121.9MB in the beginning and 109.2MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:45:06,460 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.05ms. Allocated memory is still 153.1MB. Free memory was 109.2MB in the beginning and 107.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:45:06,460 INFO L158 Benchmark]: Boogie Preprocessor took 54.44ms. Allocated memory is still 153.1MB. Free memory was 107.5MB in the beginning and 105.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:45:06,461 INFO L158 Benchmark]: RCFGBuilder took 1097.39ms. Allocated memory is still 153.1MB. Free memory was 105.4MB in the beginning and 100.2MB in the end (delta: 5.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-11 23:45:06,464 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 109.1MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.25ms. Allocated memory is still 153.1MB. Free memory was 121.9MB in the beginning and 109.2MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.05ms. Allocated memory is still 153.1MB. Free memory was 109.2MB in the beginning and 107.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.44ms. Allocated memory is still 153.1MB. Free memory was 107.5MB in the beginning and 105.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1097.39ms. Allocated memory is still 153.1MB. Free memory was 105.4MB in the beginning and 100.2MB in the end (delta: 5.2MB). Peak memory consumption was 33.6MB. 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 23:45:06,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ac4d7e-debf-4d85-a5da-8f3c11ab3e18/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ac4d7e-debf-4d85-a5da-8f3c11ab3e18/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ac4d7e-debf-4d85-a5da-8f3c11ab3e18/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_c4ac4d7e-debf-4d85-a5da-8f3c11ab3e18/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ac4d7e-debf-4d85-a5da-8f3c11ab3e18/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ac4d7e-debf-4d85-a5da-8f3c11ab3e18/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_c4ac4d7e-debf-4d85-a5da-8f3c11ab3e18/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 be394a9cdc866c1e1426a3fe296e99873bcf37ee5e7e1c9e487b239a3e0a8fbe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:45:09,347 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:45:09,481 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ac4d7e-debf-4d85-a5da-8f3c11ab3e18/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:45:09,538 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:45:09,539 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:45:09,540 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:45:09,541 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:45:09,542 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:45:09,543 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:45:09,548 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:45:09,549 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:45:09,549 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:45:09,550 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:45:09,551 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:45:09,552 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:45:09,552 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:45:09,553 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:45:09,553 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:45:09,553 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:45:09,554 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:45:09,554 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:45:09,555 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:45:09,555 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:45:09,556 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:45:09,556 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:45:09,557 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:45:09,557 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:45:09,557 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:45:09,558 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:45:09,558 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:45:09,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:45:09,559 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:45:09,560 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:45:09,561 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:45:09,561 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:45:09,561 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:45:09,561 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:45:09,562 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:45:09,562 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:45:09,563 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_c4ac4d7e-debf-4d85-a5da-8f3c11ab3e18/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ac4d7e-debf-4d85-a5da-8f3c11ab3e18/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be394a9cdc866c1e1426a3fe296e99873bcf37ee5e7e1c9e487b239a3e0a8fbe [2023-11-11 23:45:10,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:45:10,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:45:10,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:45:10,079 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:45:10,080 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:45:10,081 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ac4d7e-debf-4d85-a5da-8f3c11ab3e18/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c [2023-11-11 23:45:13,249 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:45:13,531 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:45:13,532 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ac4d7e-debf-4d85-a5da-8f3c11ab3e18/sv-benchmarks/c/weaver/popl20-bad-ring.wvr.c [2023-11-11 23:45:13,547 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ac4d7e-debf-4d85-a5da-8f3c11ab3e18/bin/ukojak-verify-0OAaufAVZV/data/7f21d2460/e6990b82415642238f8a8a075b283bc0/FLAG8ccc6cd2c [2023-11-11 23:45:13,568 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ac4d7e-debf-4d85-a5da-8f3c11ab3e18/bin/ukojak-verify-0OAaufAVZV/data/7f21d2460/e6990b82415642238f8a8a075b283bc0 [2023-11-11 23:45:13,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:45:13,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:45:13,580 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:45:13,581 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:45:13,585 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:45:13,586 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:45:13" (1/1) ... [2023-11-11 23:45:13,587 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17e40503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:13, skipping insertion in model container [2023-11-11 23:45:13,588 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:45:13" (1/1) ... [2023-11-11 23:45:13,635 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:45:13,922 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:45:13,940 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-11 23:45:13,951 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:45:14,021 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:45:14,028 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:45:14,085 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:45:14,109 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:45:14,109 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:45:14,118 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:45:14,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:14 WrapperNode [2023-11-11 23:45:14,118 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:45:14,120 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:45:14,120 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:45:14,120 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:45:14,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:14" (1/1) ... [2023-11-11 23:45:14,144 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:14" (1/1) ... [2023-11-11 23:45:14,167 INFO L138 Inliner]: procedures = 27, calls = 62, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 104 [2023-11-11 23:45:14,168 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:45:14,169 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:45:14,169 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:45:14,169 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:45:14,179 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:14" (1/1) ... [2023-11-11 23:45:14,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:14" (1/1) ... [2023-11-11 23:45:14,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:14" (1/1) ... [2023-11-11 23:45:14,186 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:14" (1/1) ... [2023-11-11 23:45:14,200 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:14" (1/1) ... [2023-11-11 23:45:14,204 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:14" (1/1) ... [2023-11-11 23:45:14,208 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:14" (1/1) ... [2023-11-11 23:45:14,210 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:14" (1/1) ... [2023-11-11 23:45:14,222 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:45:14,223 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:45:14,223 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:45:14,223 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:45:14,230 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:45:14" (1/1) ... [2023-11-11 23:45:14,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:45:14,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ac4d7e-debf-4d85-a5da-8f3c11ab3e18/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:45:14,261 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ac4d7e-debf-4d85-a5da-8f3c11ab3e18/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:45:14,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ac4d7e-debf-4d85-a5da-8f3c11ab3e18/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:45:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:45:14,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:45:14,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:45:14,307 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-11 23:45:14,308 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-11 23:45:14,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:45:14,308 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:45:14,308 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:45:14,309 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:45:14,309 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:45:14,309 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-11 23:45:14,311 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-11 23:45:14,311 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:45:14,311 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:45:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:45:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:45:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:45:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:45:14,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:45:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:45:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:45:14,316 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 23:45:14,490 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:45:14,493 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:45:15,178 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:45:15,561 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:45:15,561 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-11 23:45:15,563 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L58 is neither atomic block end nor a sink node. [2023-11-11 23:45:15,564 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 23:45:15,571 INFO L158 Benchmark]: Toolchain (without parser) took 1993.40ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 41.1MB in the beginning and 48.8MB in the end (delta: -7.7MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2023-11-11 23:45:15,572 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 65.0MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:45:15,574 INFO L158 Benchmark]: CACSL2BoogieTranslator took 538.38ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 40.8MB in the beginning and 57.8MB in the end (delta: -17.0MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2023-11-11 23:45:15,575 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.37ms. Allocated memory is still 81.8MB. Free memory was 57.8MB in the beginning and 56.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:45:15,576 INFO L158 Benchmark]: Boogie Preprocessor took 53.23ms. Allocated memory is still 81.8MB. Free memory was 56.0MB in the beginning and 53.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:45:15,577 INFO L158 Benchmark]: RCFGBuilder took 1346.60ms. Allocated memory is still 81.8MB. Free memory was 53.7MB in the beginning and 48.8MB in the end (delta: 4.9MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2023-11-11 23:45:15,586 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 65.0MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 538.38ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 40.8MB in the beginning and 57.8MB in the end (delta: -17.0MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.37ms. Allocated memory is still 81.8MB. Free memory was 57.8MB in the beginning and 56.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.23ms. Allocated memory is still 81.8MB. Free memory was 56.0MB in the beginning and 53.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1346.60ms. Allocated memory is still 81.8MB. Free memory was 53.7MB in the beginning and 48.8MB in the end (delta: 4.9MB). Peak memory consumption was 24.6MB. 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 23:45:15,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ac4d7e-debf-4d85-a5da-8f3c11ab3e18/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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?