./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.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_3b86eee1-db94-4475-9599-b0a3b682947c/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b86eee1-db94-4475-9599-b0a3b682947c/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_3b86eee1-db94-4475-9599-b0a3b682947c/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b86eee1-db94-4475-9599-b0a3b682947c/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b86eee1-db94-4475-9599-b0a3b682947c/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_3b86eee1-db94-4475-9599-b0a3b682947c/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 8d3b4a56bf20a7e5cb147a14169234a27b247cfdef3db9f4b8a4f4a17cd6fe47 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:50:05,997 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:50:06,119 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b86eee1-db94-4475-9599-b0a3b682947c/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:50:06,126 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:50:06,127 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:50:06,167 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:50:06,168 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:50:06,169 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:50:06,170 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:50:06,175 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:50:06,176 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:50:06,176 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:50:06,177 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:50:06,179 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:50:06,179 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:50:06,179 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:50:06,180 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:50:06,180 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:50:06,181 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:50:06,181 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:50:06,182 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:50:06,182 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:50:06,183 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:50:06,183 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:50:06,184 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:50:06,184 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:50:06,185 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:50:06,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:50:06,186 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:50:06,187 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:50:06,188 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:50:06,188 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:50:06,189 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:50:06,189 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:50:06,189 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_3b86eee1-db94-4475-9599-b0a3b682947c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b86eee1-db94-4475-9599-b0a3b682947c/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d3b4a56bf20a7e5cb147a14169234a27b247cfdef3db9f4b8a4f4a17cd6fe47 [2023-11-11 23:50:06,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:50:06,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:50:06,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:50:06,486 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:50:06,486 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:50:06,487 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b86eee1-db94-4475-9599-b0a3b682947c/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2023-11-11 23:50:09,673 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:50:09,877 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:50:09,878 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b86eee1-db94-4475-9599-b0a3b682947c/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2023-11-11 23:50:09,888 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b86eee1-db94-4475-9599-b0a3b682947c/bin/ukojak-verify-0OAaufAVZV/data/d357fdb67/3d47e0a006cd4e9f93408a517ede35dc/FLAGcc16a653c [2023-11-11 23:50:09,904 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b86eee1-db94-4475-9599-b0a3b682947c/bin/ukojak-verify-0OAaufAVZV/data/d357fdb67/3d47e0a006cd4e9f93408a517ede35dc [2023-11-11 23:50:09,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:50:09,909 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:50:09,910 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:50:09,911 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:50:09,916 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:50:09,917 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:50:09" (1/1) ... [2023-11-11 23:50:09,918 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b8e8ed1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:09, skipping insertion in model container [2023-11-11 23:50:09,919 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:50:09" (1/1) ... [2023-11-11 23:50:09,948 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:50:10,172 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:50:10,186 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:50:10,251 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:50:10,260 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:50:10,261 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:50:10,269 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:50:10,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:10 WrapperNode [2023-11-11 23:50:10,269 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:50:10,271 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:50:10,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:50:10,271 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:50:10,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:10" (1/1) ... [2023-11-11 23:50:10,291 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:10" (1/1) ... [2023-11-11 23:50:10,323 INFO L138 Inliner]: procedures = 27, calls = 84, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 115 [2023-11-11 23:50:10,324 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:50:10,325 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:50:10,325 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:50:10,325 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:50:10,337 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:10" (1/1) ... [2023-11-11 23:50:10,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:10" (1/1) ... [2023-11-11 23:50:10,343 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:10" (1/1) ... [2023-11-11 23:50:10,343 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:10" (1/1) ... [2023-11-11 23:50:10,355 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:10" (1/1) ... [2023-11-11 23:50:10,359 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:10" (1/1) ... [2023-11-11 23:50:10,362 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:10" (1/1) ... [2023-11-11 23:50:10,364 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:10" (1/1) ... [2023-11-11 23:50:10,369 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:50:10,370 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:50:10,371 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:50:10,371 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:50:10,372 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:10" (1/1) ... [2023-11-11 23:50:10,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:50:10,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b86eee1-db94-4475-9599-b0a3b682947c/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:50:10,408 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b86eee1-db94-4475-9599-b0a3b682947c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:50:10,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b86eee1-db94-4475-9599-b0a3b682947c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:50:10,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:50:10,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:50:10,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:50:10,447 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-11 23:50:10,447 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-11 23:50:10,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:50:10,447 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:50:10,447 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:50:10,448 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:50:10,448 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:50:10,448 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-11 23:50:10,448 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-11 23:50:10,448 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-11 23:50:10,448 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-11 23:50:10,448 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:50:10,449 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:50:10,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:50:10,449 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-11 23:50:10,449 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-11 23:50:10,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:50:10,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:50:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:50:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:50:10,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:50:10,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:50:10,452 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 23:50:10,582 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:50:10,585 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:50:11,094 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:50:11,345 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:50:11,346 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-11 23:50:11,347 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2023-11-11 23:50:11,348 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 23:50:11,353 INFO L158 Benchmark]: Toolchain (without parser) took 1443.25ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 94.5MB in the beginning and 118.7MB in the end (delta: -24.2MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2023-11-11 23:50:11,354 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 140.5MB. Free memory is still 89.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:50:11,355 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.38ms. Allocated memory is still 140.5MB. Free memory was 94.5MB in the beginning and 81.0MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:50:11,356 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.53ms. Allocated memory is still 140.5MB. Free memory was 81.0MB in the beginning and 79.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:50:11,357 INFO L158 Benchmark]: Boogie Preprocessor took 45.04ms. Allocated memory is still 140.5MB. Free memory was 79.2MB in the beginning and 77.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:50:11,358 INFO L158 Benchmark]: RCFGBuilder took 980.61ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 77.3MB in the beginning and 118.7MB in the end (delta: -41.5MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2023-11-11 23:50:11,362 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 140.5MB. Free memory is still 89.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.38ms. Allocated memory is still 140.5MB. Free memory was 94.5MB in the beginning and 81.0MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.53ms. Allocated memory is still 140.5MB. Free memory was 81.0MB in the beginning and 79.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.04ms. Allocated memory is still 140.5MB. Free memory was 79.2MB in the beginning and 77.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 980.61ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 77.3MB in the beginning and 118.7MB in the end (delta: -41.5MB). Peak memory consumption was 31.8MB. 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 23:50:11,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b86eee1-db94-4475-9599-b0a3b682947c/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_3b86eee1-db94-4475-9599-b0a3b682947c/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b86eee1-db94-4475-9599-b0a3b682947c/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_3b86eee1-db94-4475-9599-b0a3b682947c/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b86eee1-db94-4475-9599-b0a3b682947c/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b86eee1-db94-4475-9599-b0a3b682947c/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_3b86eee1-db94-4475-9599-b0a3b682947c/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 8d3b4a56bf20a7e5cb147a14169234a27b247cfdef3db9f4b8a4f4a17cd6fe47 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:50:14,053 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:50:14,144 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b86eee1-db94-4475-9599-b0a3b682947c/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:50:14,204 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:50:14,205 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:50:14,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:50:14,207 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:50:14,208 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:50:14,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:50:14,214 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:50:14,215 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:50:14,215 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:50:14,216 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:50:14,218 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:50:14,218 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:50:14,219 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:50:14,219 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:50:14,219 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:50:14,220 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:50:14,221 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:50:14,222 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:50:14,222 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:50:14,223 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:50:14,223 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:50:14,224 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:50:14,224 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:50:14,224 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:50:14,225 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:50:14,225 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:50:14,226 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:50:14,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:50:14,227 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:50:14,228 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:50:14,228 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:50:14,229 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:50:14,229 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:50:14,229 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:50:14,229 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:50:14,230 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:50:14,231 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_3b86eee1-db94-4475-9599-b0a3b682947c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b86eee1-db94-4475-9599-b0a3b682947c/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d3b4a56bf20a7e5cb147a14169234a27b247cfdef3db9f4b8a4f4a17cd6fe47 [2023-11-11 23:50:14,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:50:14,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:50:14,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:50:14,699 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:50:14,699 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:50:14,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b86eee1-db94-4475-9599-b0a3b682947c/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2023-11-11 23:50:17,945 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:50:18,194 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:50:18,195 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b86eee1-db94-4475-9599-b0a3b682947c/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2023-11-11 23:50:18,203 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b86eee1-db94-4475-9599-b0a3b682947c/bin/ukojak-verify-0OAaufAVZV/data/aab9f249a/e93a0139e7734e7cb69b5b3aa3bcde1a/FLAG5a7b06896 [2023-11-11 23:50:18,217 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b86eee1-db94-4475-9599-b0a3b682947c/bin/ukojak-verify-0OAaufAVZV/data/aab9f249a/e93a0139e7734e7cb69b5b3aa3bcde1a [2023-11-11 23:50:18,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:50:18,222 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:50:18,223 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:50:18,224 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:50:18,229 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:50:18,230 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:50:18" (1/1) ... [2023-11-11 23:50:18,230 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31f05325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:18, skipping insertion in model container [2023-11-11 23:50:18,231 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:50:18" (1/1) ... [2023-11-11 23:50:18,259 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:50:18,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:50:18,593 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-11 23:50:18,611 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:50:18,669 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:50:18,677 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:50:18,727 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:50:18,740 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:50:18,740 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:50:18,749 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:50:18,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:18 WrapperNode [2023-11-11 23:50:18,750 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:50:18,752 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:50:18,752 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:50:18,753 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:50:18,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:18" (1/1) ... [2023-11-11 23:50:18,790 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:18" (1/1) ... [2023-11-11 23:50:18,828 INFO L138 Inliner]: procedures = 29, calls = 84, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 110 [2023-11-11 23:50:18,828 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:50:18,829 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:50:18,830 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:50:18,830 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:50:18,840 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:18" (1/1) ... [2023-11-11 23:50:18,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:18" (1/1) ... [2023-11-11 23:50:18,864 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:18" (1/1) ... [2023-11-11 23:50:18,870 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:18" (1/1) ... [2023-11-11 23:50:18,897 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:18" (1/1) ... [2023-11-11 23:50:18,901 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:18" (1/1) ... [2023-11-11 23:50:18,904 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:18" (1/1) ... [2023-11-11 23:50:18,906 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:18" (1/1) ... [2023-11-11 23:50:18,911 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:50:18,912 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:50:18,912 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:50:18,913 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:50:18,914 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:50:18" (1/1) ... [2023-11-11 23:50:18,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:50:18,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b86eee1-db94-4475-9599-b0a3b682947c/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:50:18,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b86eee1-db94-4475-9599-b0a3b682947c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:50:18,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b86eee1-db94-4475-9599-b0a3b682947c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:50:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:50:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:50:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:50:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-11 23:50:19,007 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-11 23:50:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:50:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:50:19,008 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:50:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:50:19,008 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:50:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-11 23:50:19,010 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-11 23:50:19,011 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-11 23:50:19,011 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-11 23:50:19,011 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:50:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:50:19,012 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-11 23:50:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-11 23:50:19,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:50:19,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:50:19,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:50:19,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:50:19,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:50:19,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:50:19,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:50:19,015 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 23:50:19,218 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:50:19,222 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:50:19,901 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:50:20,181 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:50:20,181 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-11 23:50:20,183 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2023-11-11 23:50:20,183 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 23:50:20,190 INFO L158 Benchmark]: Toolchain (without parser) took 1966.85ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 29.0MB in the beginning and 47.2MB in the end (delta: -18.2MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2023-11-11 23:50:20,190 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 62.9MB. Free memory was 39.3MB in the beginning and 39.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:50:20,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 527.30ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 28.8MB in the beginning and 57.9MB in the end (delta: -29.0MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2023-11-11 23:50:20,192 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.02ms. Allocated memory is still 90.2MB. Free memory was 57.9MB in the beginning and 56.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:50:20,193 INFO L158 Benchmark]: Boogie Preprocessor took 82.01ms. Allocated memory is still 90.2MB. Free memory was 56.1MB in the beginning and 53.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:50:20,194 INFO L158 Benchmark]: RCFGBuilder took 1275.51ms. Allocated memory is still 90.2MB. Free memory was 53.7MB in the beginning and 47.2MB in the end (delta: 6.5MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2023-11-11 23:50:20,203 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 62.9MB. Free memory was 39.3MB in the beginning and 39.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 527.30ms. Allocated memory was 62.9MB in the beginning and 90.2MB in the end (delta: 27.3MB). Free memory was 28.8MB in the beginning and 57.9MB in the end (delta: -29.0MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.02ms. Allocated memory is still 90.2MB. Free memory was 57.9MB in the beginning and 56.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.01ms. Allocated memory is still 90.2MB. Free memory was 56.1MB in the beginning and 53.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1275.51ms. Allocated memory is still 90.2MB. Free memory was 53.7MB in the beginning and 47.2MB in the end (delta: 6.5MB). Peak memory consumption was 18.6MB. 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 23:50:20,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b86eee1-db94-4475-9599-b0a3b682947c/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?