./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_c68a37b5-a1bf-4db5-89e1-93e884f66dfd/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68a37b5-a1bf-4db5-89e1-93e884f66dfd/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68a37b5-a1bf-4db5-89e1-93e884f66dfd/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68a37b5-a1bf-4db5-89e1-93e884f66dfd/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68a37b5-a1bf-4db5-89e1-93e884f66dfd/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68a37b5-a1bf-4db5-89e1-93e884f66dfd/bin/ukojak-verify-G8NBE6pJGL --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 b81cf2d80bc77dedaac253250be737ceaa09f6e691f026864fe6fd5cb48c2489 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:06:13,499 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:06:13,642 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68a37b5-a1bf-4db5-89e1-93e884f66dfd/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 04:06:13,649 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:06:13,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:06:13,689 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:06:13,690 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:06:13,691 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:06:13,692 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:06:13,697 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:06:13,699 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:06:13,699 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:06:13,700 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:06:13,701 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:06:13,702 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:06:13,702 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:06:13,703 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:06:13,703 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:06:13,704 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:06:13,704 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:06:13,705 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:06:13,705 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:06:13,706 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:06:13,706 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:06:13,707 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:06:13,707 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:06:13,708 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:06:13,708 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:06:13,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:13,709 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:06:13,711 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:06:13,711 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:06:13,711 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:06:13,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:06:13,712 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:06:13,712 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_c68a37b5-a1bf-4db5-89e1-93e884f66dfd/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68a37b5-a1bf-4db5-89e1-93e884f66dfd/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b81cf2d80bc77dedaac253250be737ceaa09f6e691f026864fe6fd5cb48c2489 [2023-11-19 04:06:14,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:06:14,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:06:14,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:06:14,098 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:06:14,099 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:06:14,101 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68a37b5-a1bf-4db5-89e1-93e884f66dfd/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c [2023-11-19 04:06:17,260 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:06:17,550 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:06:17,551 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68a37b5-a1bf-4db5-89e1-93e884f66dfd/sv-benchmarks/c/weaver/popl20-mult-4.wvr.c [2023-11-19 04:06:17,562 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68a37b5-a1bf-4db5-89e1-93e884f66dfd/bin/ukojak-verify-G8NBE6pJGL/data/c79844fc8/7ad16f02eb264b37acfb2c80371ded7a/FLAGd78f776ce [2023-11-19 04:06:17,584 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68a37b5-a1bf-4db5-89e1-93e884f66dfd/bin/ukojak-verify-G8NBE6pJGL/data/c79844fc8/7ad16f02eb264b37acfb2c80371ded7a [2023-11-19 04:06:17,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:06:17,591 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:06:17,593 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:17,593 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:06:17,600 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:06:17,601 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:17" (1/1) ... [2023-11-19 04:06:17,602 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2175d07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:17, skipping insertion in model container [2023-11-19 04:06:17,603 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:17" (1/1) ... [2023-11-19 04:06:17,636 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:06:17,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:17,945 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:06:18,024 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:18,034 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:06:18,063 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:06:18,073 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:06:18,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:18 WrapperNode [2023-11-19 04:06:18,088 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:18,090 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:18,090 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:06:18,090 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:06:18,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:18" (1/1) ... [2023-11-19 04:06:18,128 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:18" (1/1) ... [2023-11-19 04:06:18,166 INFO L138 Inliner]: procedures = 23, calls = 43, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2023-11-19 04:06:18,167 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:18,168 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:06:18,169 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:06:18,169 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:06:18,180 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:18" (1/1) ... [2023-11-19 04:06:18,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:18" (1/1) ... [2023-11-19 04:06:18,196 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:18" (1/1) ... [2023-11-19 04:06:18,198 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:18" (1/1) ... [2023-11-19 04:06:18,204 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:18" (1/1) ... [2023-11-19 04:06:18,217 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:18" (1/1) ... [2023-11-19 04:06:18,221 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:18" (1/1) ... [2023-11-19 04:06:18,233 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:18" (1/1) ... [2023-11-19 04:06:18,236 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:06:18,237 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:06:18,237 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:06:18,238 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:06:18,239 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:18" (1/1) ... [2023-11-19 04:06:18,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:18,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68a37b5-a1bf-4db5-89e1-93e884f66dfd/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:06:18,279 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68a37b5-a1bf-4db5-89e1-93e884f66dfd/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:06:18,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68a37b5-a1bf-4db5-89e1-93e884f66dfd/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:06:18,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:06:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 04:06:18,317 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 04:06:18,317 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 04:06:18,318 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 04:06:18,318 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 04:06:18,318 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 04:06:18,318 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 04:06:18,319 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 04:06:18,319 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:06:18,319 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:06:18,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:06:18,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:06:18,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:06:18,320 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:06:18,320 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:06:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:06:18,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:06:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:06:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:06:18,323 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 04:06:18,441 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:06:18,443 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:06:18,721 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:06:18,826 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:06:18,826 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 04:06:18,829 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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) [2023-11-19 04:06:18,849 INFO L158 Benchmark]: Toolchain (without parser) took 1256.88ms. Allocated memory is still 153.1MB. Free memory was 122.7MB in the beginning and 100.4MB in the end (delta: 22.3MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2023-11-19 04:06:18,853 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 121.6MB. Free memory was 93.9MB in the beginning and 93.8MB in the end (delta: 69.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:06:18,855 INFO L158 Benchmark]: CACSL2BoogieTranslator took 496.32ms. Allocated memory is still 153.1MB. Free memory was 122.7MB in the beginning and 123.4MB in the end (delta: -664.2kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:06:18,856 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.02ms. Allocated memory is still 153.1MB. Free memory was 123.4MB in the beginning and 121.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:06:18,858 INFO L158 Benchmark]: Boogie Preprocessor took 68.10ms. Allocated memory is still 153.1MB. Free memory was 121.3MB in the beginning and 119.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:06:18,859 INFO L158 Benchmark]: RCFGBuilder took 609.42ms. Allocated memory is still 153.1MB. Free memory was 119.9MB in the beginning and 100.4MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 04:06:18,864 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 121.6MB. Free memory was 93.9MB in the beginning and 93.8MB in the end (delta: 69.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 496.32ms. Allocated memory is still 153.1MB. Free memory was 122.7MB in the beginning and 123.4MB in the end (delta: -664.2kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.02ms. Allocated memory is still 153.1MB. Free memory was 123.4MB in the beginning and 121.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 68.10ms. Allocated memory is still 153.1MB. Free memory was 121.3MB in the beginning and 119.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 609.42ms. Allocated memory is still 153.1MB. Free memory was 119.9MB in the beginning and 100.4MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:06:18,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68a37b5-a1bf-4db5-89e1-93e884f66dfd/bin/ukojak-verify-G8NBE6pJGL/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 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_c68a37b5-a1bf-4db5-89e1-93e884f66dfd/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68a37b5-a1bf-4db5-89e1-93e884f66dfd/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68a37b5-a1bf-4db5-89e1-93e884f66dfd/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68a37b5-a1bf-4db5-89e1-93e884f66dfd/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68a37b5-a1bf-4db5-89e1-93e884f66dfd/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68a37b5-a1bf-4db5-89e1-93e884f66dfd/bin/ukojak-verify-G8NBE6pJGL --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 b81cf2d80bc77dedaac253250be737ceaa09f6e691f026864fe6fd5cb48c2489 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:06:22,178 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:06:22,319 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68a37b5-a1bf-4db5-89e1-93e884f66dfd/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 04:06:22,399 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:06:22,400 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:06:22,402 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:06:22,403 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:06:22,404 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:06:22,405 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:06:22,412 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:06:22,412 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:06:22,413 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:06:22,414 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:06:22,416 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:06:22,417 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:06:22,417 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:06:22,418 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:06:22,419 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:06:22,420 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:06:22,421 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:06:22,422 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:06:22,423 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:06:22,423 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:06:22,424 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:06:22,425 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:06:22,425 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:06:22,426 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:06:22,426 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:06:22,427 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:06:22,428 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:06:22,429 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:22,430 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:06:22,431 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:06:22,431 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:06:22,432 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:06:22,432 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:06:22,433 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:06:22,433 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:06:22,434 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:06:22,435 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_c68a37b5-a1bf-4db5-89e1-93e884f66dfd/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68a37b5-a1bf-4db5-89e1-93e884f66dfd/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b81cf2d80bc77dedaac253250be737ceaa09f6e691f026864fe6fd5cb48c2489 [2023-11-19 04:06:22,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:06:22,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:06:22,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:06:22,998 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:06:22,999 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:06:23,001 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68a37b5-a1bf-4db5-89e1-93e884f66dfd/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c [2023-11-19 04:06:26,440 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:06:26,803 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:06:26,803 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68a37b5-a1bf-4db5-89e1-93e884f66dfd/sv-benchmarks/c/weaver/popl20-mult-4.wvr.c [2023-11-19 04:06:26,814 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68a37b5-a1bf-4db5-89e1-93e884f66dfd/bin/ukojak-verify-G8NBE6pJGL/data/017be8cc3/8e22526d6acf4197b2b97274b3cf3bd9/FLAGec3ecb1ea [2023-11-19 04:06:26,846 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68a37b5-a1bf-4db5-89e1-93e884f66dfd/bin/ukojak-verify-G8NBE6pJGL/data/017be8cc3/8e22526d6acf4197b2b97274b3cf3bd9 [2023-11-19 04:06:26,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:06:26,855 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:06:26,857 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:26,857 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:06:26,863 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:06:26,864 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:26" (1/1) ... [2023-11-19 04:06:26,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28b66c1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:26, skipping insertion in model container [2023-11-19 04:06:26,865 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:26" (1/1) ... [2023-11-19 04:06:26,901 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:06:27,237 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:27,256 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:06:27,290 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:27,302 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:06:27,303 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:06:27,313 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:06:27,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:27 WrapperNode [2023-11-19 04:06:27,314 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:27,316 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:27,316 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:06:27,316 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:06:27,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:27" (1/1) ... [2023-11-19 04:06:27,341 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:27" (1/1) ... [2023-11-19 04:06:27,380 INFO L138 Inliner]: procedures = 25, calls = 43, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2023-11-19 04:06:27,380 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:27,382 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:06:27,382 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:06:27,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:06:27,395 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:27" (1/1) ... [2023-11-19 04:06:27,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:27" (1/1) ... [2023-11-19 04:06:27,416 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:27" (1/1) ... [2023-11-19 04:06:27,417 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:27" (1/1) ... [2023-11-19 04:06:27,426 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:27" (1/1) ... [2023-11-19 04:06:27,446 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:27" (1/1) ... [2023-11-19 04:06:27,448 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:27" (1/1) ... [2023-11-19 04:06:27,450 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:27" (1/1) ... [2023-11-19 04:06:27,454 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:06:27,456 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:06:27,466 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:06:27,466 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:06:27,467 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:27" (1/1) ... [2023-11-19 04:06:27,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:27,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68a37b5-a1bf-4db5-89e1-93e884f66dfd/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:06:27,534 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68a37b5-a1bf-4db5-89e1-93e884f66dfd/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:06:27,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68a37b5-a1bf-4db5-89e1-93e884f66dfd/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:06:27,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:06:27,615 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 04:06:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 04:06:27,615 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 04:06:27,615 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 04:06:27,616 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 04:06:27,616 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 04:06:27,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:06:27,616 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 04:06:27,617 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 04:06:27,617 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:06:27,617 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:06:27,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:06:27,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:06:27,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:06:27,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:06:27,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:06:27,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:06:27,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:06:27,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:06:27,625 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 04:06:27,847 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:06:27,851 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:06:28,275 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:06:28,398 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:06:28,404 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 04:06:28,407 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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) [2023-11-19 04:06:28,417 INFO L158 Benchmark]: Toolchain (without parser) took 1560.60ms. Allocated memory is still 75.5MB. Free memory was 52.5MB in the beginning and 35.8MB in the end (delta: 16.7MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2023-11-19 04:06:28,418 INFO L158 Benchmark]: CDTParser took 1.37ms. Allocated memory is still 58.7MB. Free memory is still 35.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:06:28,419 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.61ms. Allocated memory is still 75.5MB. Free memory was 52.3MB in the beginning and 40.5MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:06:28,420 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.07ms. Allocated memory is still 75.5MB. Free memory was 40.5MB in the beginning and 38.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:06:28,422 INFO L158 Benchmark]: Boogie Preprocessor took 72.50ms. Allocated memory is still 75.5MB. Free memory was 38.8MB in the beginning and 37.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:06:28,424 INFO L158 Benchmark]: RCFGBuilder took 958.87ms. Allocated memory is still 75.5MB. Free memory was 37.2MB in the beginning and 35.8MB in the end (delta: 1.4MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2023-11-19 04:06:28,430 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.37ms. Allocated memory is still 58.7MB. Free memory is still 35.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 457.61ms. Allocated memory is still 75.5MB. Free memory was 52.3MB in the beginning and 40.5MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.07ms. Allocated memory is still 75.5MB. Free memory was 40.5MB in the beginning and 38.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.50ms. Allocated memory is still 75.5MB. Free memory was 38.8MB in the beginning and 37.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 958.87ms. Allocated memory is still 75.5MB. Free memory was 37.2MB in the beginning and 35.8MB in the end (delta: 1.4MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:348) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:06:28,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c68a37b5-a1bf-4db5-89e1-93e884f66dfd/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?