./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691d1afb-efe5-4775-b138-486070a8961d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691d1afb-efe5-4775-b138-486070a8961d/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_691d1afb-efe5-4775-b138-486070a8961d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691d1afb-efe5-4775-b138-486070a8961d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691d1afb-efe5-4775-b138-486070a8961d/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_691d1afb-efe5-4775-b138-486070a8961d/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 632917bb2a5e88c193ba7761220e89039206b92cb89d98172ae8e9ad69d27ca8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:58:19,444 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:58:19,541 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691d1afb-efe5-4775-b138-486070a8961d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:58:19,549 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:58:19,550 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:58:19,586 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:58:19,587 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:58:19,588 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:58:19,589 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:58:19,590 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:58:19,591 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:58:19,592 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:58:19,593 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:58:19,597 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:58:19,598 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:58:19,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:58:19,600 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:58:19,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:58:19,601 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:58:19,601 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:58:19,602 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:58:19,603 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:58:19,603 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:58:19,604 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:58:19,604 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:58:19,604 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:58:19,605 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:58:19,606 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:58:19,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:19,607 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:58:19,629 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:58:19,630 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:58:19,630 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:58:19,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:58:19,631 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:58:19,631 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_691d1afb-efe5-4775-b138-486070a8961d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691d1afb-efe5-4775-b138-486070a8961d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 632917bb2a5e88c193ba7761220e89039206b92cb89d98172ae8e9ad69d27ca8 [2023-11-19 03:58:19,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:58:19,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:58:19,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:58:19,961 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:58:19,962 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:58:19,964 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691d1afb-efe5-4775-b138-486070a8961d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c [2023-11-19 03:58:23,345 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:58:23,678 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:58:23,679 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691d1afb-efe5-4775-b138-486070a8961d/sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c [2023-11-19 03:58:23,691 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691d1afb-efe5-4775-b138-486070a8961d/bin/ukojak-verify-G8NBE6pJGL/data/a7718c381/2e785365b059452eb292f4008a274296/FLAG7841c03a6 [2023-11-19 03:58:23,713 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691d1afb-efe5-4775-b138-486070a8961d/bin/ukojak-verify-G8NBE6pJGL/data/a7718c381/2e785365b059452eb292f4008a274296 [2023-11-19 03:58:23,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:58:23,724 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:58:23,731 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:23,731 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:58:23,739 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:58:23,740 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:23" (1/1) ... [2023-11-19 03:58:23,742 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ca1b6d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:23, skipping insertion in model container [2023-11-19 03:58:23,742 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:23" (1/1) ... [2023-11-19 03:58:23,787 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:58:24,047 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:24,062 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:58:24,101 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:24,116 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:24,118 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:24,128 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:58:24,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:24 WrapperNode [2023-11-19 03:58:24,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:24,131 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:24,131 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:58:24,131 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:58:24,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:24" (1/1) ... [2023-11-19 03:58:24,174 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:24" (1/1) ... [2023-11-19 03:58:24,207 INFO L138 Inliner]: procedures = 26, calls = 58, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 96 [2023-11-19 03:58:24,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:24,209 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:58:24,209 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:58:24,209 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:58:24,220 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:24" (1/1) ... [2023-11-19 03:58:24,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:24" (1/1) ... [2023-11-19 03:58:24,226 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:24" (1/1) ... [2023-11-19 03:58:24,226 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:24" (1/1) ... [2023-11-19 03:58:24,236 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:24" (1/1) ... [2023-11-19 03:58:24,241 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:24" (1/1) ... [2023-11-19 03:58:24,244 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:24" (1/1) ... [2023-11-19 03:58:24,246 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:24" (1/1) ... [2023-11-19 03:58:24,251 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:58:24,252 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:58:24,252 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:58:24,252 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:58:24,253 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:24" (1/1) ... [2023-11-19 03:58:24,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:24,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691d1afb-efe5-4775-b138-486070a8961d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:58:24,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691d1afb-efe5-4775-b138-486070a8961d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:58:24,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691d1afb-efe5-4775-b138-486070a8961d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:58:24,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:58:24,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:58:24,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:58:24,361 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-19 03:58:24,361 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-19 03:58:24,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:58:24,362 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:58:24,363 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:58:24,363 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:58:24,363 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:58:24,364 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:58:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:58:24,364 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:58:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:58:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:58:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-19 03:58:24,365 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-19 03:58:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:58:24,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:58:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:58:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:58:24,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:58:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:58:24,371 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 03:58:24,544 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:58:24,547 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:58:24,978 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:58:25,225 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:58:25,226 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 03:58:25,229 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: call #t~mem7 := read~int(~A~0.base, ~A~0.offset + 4 * ~i~1, 4);call #t~mem8 := read~int(~B~0.base, ~B~0.offset + 4 * ~i~1, 4);). 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 03:58:25,237 INFO L158 Benchmark]: Toolchain (without parser) took 1511.97ms. Allocated memory was 123.7MB in the beginning and 161.5MB in the end (delta: 37.7MB). Free memory was 86.9MB in the beginning and 123.2MB in the end (delta: -36.3MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. [2023-11-19 03:58:25,238 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 123.7MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:58:25,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.50ms. Allocated memory is still 123.7MB. Free memory was 86.9MB in the beginning and 74.6MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:58:25,240 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.50ms. Allocated memory is still 123.7MB. Free memory was 74.6MB in the beginning and 72.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:58:25,242 INFO L158 Benchmark]: Boogie Preprocessor took 42.47ms. Allocated memory is still 123.7MB. Free memory was 72.6MB in the beginning and 70.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:58:25,244 INFO L158 Benchmark]: RCFGBuilder took 982.97ms. Allocated memory was 123.7MB in the beginning and 161.5MB in the end (delta: 37.7MB). Free memory was 70.8MB in the beginning and 123.2MB in the end (delta: -52.4MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2023-11-19 03:58:25,255 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 123.7MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 398.50ms. Allocated memory is still 123.7MB. Free memory was 86.9MB in the beginning and 74.6MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.50ms. Allocated memory is still 123.7MB. Free memory was 74.6MB in the beginning and 72.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.47ms. Allocated memory is still 123.7MB. Free memory was 72.6MB in the beginning and 70.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 982.97ms. Allocated memory was 123.7MB in the beginning and 161.5MB in the end (delta: 37.7MB). Free memory was 70.8MB in the beginning and 123.2MB in the end (delta: -52.4MB). Peak memory consumption was 36.4MB. 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: call #t~mem7 := read~int(~A~0.base, ~A~0.offset + 4 * ~i~1, 4);call #t~mem8 := read~int(~B~0.base, ~B~0.offset + 4 * ~i~1, 4);). 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: call #t~mem7 := read~int(~A~0.base, ~A~0.offset + 4 * ~i~1, 4);call #t~mem8 := read~int(~B~0.base, ~B~0.offset + 4 * ~i~1, 4);). 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 03:58:25,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691d1afb-efe5-4775-b138-486070a8961d/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691d1afb-efe5-4775-b138-486070a8961d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691d1afb-efe5-4775-b138-486070a8961d/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_691d1afb-efe5-4775-b138-486070a8961d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691d1afb-efe5-4775-b138-486070a8961d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691d1afb-efe5-4775-b138-486070a8961d/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_691d1afb-efe5-4775-b138-486070a8961d/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 632917bb2a5e88c193ba7761220e89039206b92cb89d98172ae8e9ad69d27ca8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:58:28,067 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:58:28,156 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691d1afb-efe5-4775-b138-486070a8961d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:58:28,191 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:58:28,192 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:58:28,193 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:58:28,194 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:58:28,195 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:58:28,196 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:58:28,196 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:58:28,197 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:58:28,198 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:58:28,199 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:58:28,199 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:58:28,200 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:58:28,201 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:58:28,201 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:58:28,202 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:58:28,202 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:58:28,203 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:58:28,203 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:58:28,204 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:58:28,205 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:58:28,205 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:58:28,206 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:58:28,206 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:58:28,207 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:58:28,208 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:58:28,208 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:58:28,209 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:58:28,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:28,210 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:58:28,210 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:58:28,211 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:58:28,211 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:58:28,212 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:58:28,212 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:58:28,213 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:58:28,214 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:58:28,214 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_691d1afb-efe5-4775-b138-486070a8961d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691d1afb-efe5-4775-b138-486070a8961d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 632917bb2a5e88c193ba7761220e89039206b92cb89d98172ae8e9ad69d27ca8 [2023-11-19 03:58:28,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:58:28,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:58:28,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:58:28,599 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:58:28,599 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:58:28,600 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691d1afb-efe5-4775-b138-486070a8961d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c [2023-11-19 03:58:31,800 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:58:32,014 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:58:32,014 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691d1afb-efe5-4775-b138-486070a8961d/sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c [2023-11-19 03:58:32,025 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691d1afb-efe5-4775-b138-486070a8961d/bin/ukojak-verify-G8NBE6pJGL/data/4d2a7315b/da35c7e8189c4de48f8a32f2be96f02e/FLAG6d6c548ac [2023-11-19 03:58:32,041 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691d1afb-efe5-4775-b138-486070a8961d/bin/ukojak-verify-G8NBE6pJGL/data/4d2a7315b/da35c7e8189c4de48f8a32f2be96f02e [2023-11-19 03:58:32,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:58:32,046 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:58:32,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:32,048 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:58:32,053 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:58:32,053 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:32" (1/1) ... [2023-11-19 03:58:32,055 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7db0e039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:32, skipping insertion in model container [2023-11-19 03:58:32,055 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:32" (1/1) ... [2023-11-19 03:58:32,083 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:58:32,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:32,372 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 03:58:32,389 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:58:32,439 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:32,444 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:58:32,491 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:32,505 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:32,505 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:32,513 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:58:32,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:32 WrapperNode [2023-11-19 03:58:32,514 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:32,515 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:32,516 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:58:32,516 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:58:32,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:32" (1/1) ... [2023-11-19 03:58:32,550 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:32" (1/1) ... [2023-11-19 03:58:32,587 INFO L138 Inliner]: procedures = 28, calls = 58, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 93 [2023-11-19 03:58:32,587 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:32,588 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:58:32,589 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:58:32,589 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:58:32,599 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:32" (1/1) ... [2023-11-19 03:58:32,599 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:32" (1/1) ... [2023-11-19 03:58:32,622 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:32" (1/1) ... [2023-11-19 03:58:32,623 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:32" (1/1) ... [2023-11-19 03:58:32,647 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:32" (1/1) ... [2023-11-19 03:58:32,652 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:32" (1/1) ... [2023-11-19 03:58:32,667 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:32" (1/1) ... [2023-11-19 03:58:32,686 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:32" (1/1) ... [2023-11-19 03:58:32,691 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:58:32,692 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:58:32,692 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:58:32,692 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:58:32,693 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:32" (1/1) ... [2023-11-19 03:58:32,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:32,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691d1afb-efe5-4775-b138-486070a8961d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:58:32,727 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691d1afb-efe5-4775-b138-486070a8961d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:58:32,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691d1afb-efe5-4775-b138-486070a8961d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:58:32,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:58:32,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:58:32,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:58:32,775 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-19 03:58:32,775 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-19 03:58:32,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:58:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:58:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:58:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:58:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:58:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:58:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:58:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:58:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:58:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-19 03:58:32,779 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-19 03:58:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:58:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:58:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:58:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:58:32,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:58:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:58:32,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:58:32,783 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 03:58:32,940 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:58:32,942 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:58:33,480 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:58:33,712 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:58:33,712 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 03:58:33,715 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: call #t~mem7 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~1)), 4bv32);call #t~mem8 := read~intINTTYPE4(~B~0.base, ~bvadd~32(~B~0.offset, ~bvmul~32(4bv32, ~i~1)), 4bv32);). 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 03:58:33,721 INFO L158 Benchmark]: Toolchain (without parser) took 1674.50ms. Allocated memory is still 83.9MB. Free memory was 60.1MB in the beginning and 40.1MB in the end (delta: 20.0MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2023-11-19 03:58:33,722 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 58.7MB. Free memory is still 34.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:58:33,722 INFO L158 Benchmark]: CACSL2BoogieTranslator took 467.11ms. Allocated memory is still 83.9MB. Free memory was 59.9MB in the beginning and 44.9MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:58:33,723 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.11ms. Allocated memory is still 83.9MB. Free memory was 44.7MB in the beginning and 43.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:58:33,724 INFO L158 Benchmark]: Boogie Preprocessor took 102.61ms. Allocated memory is still 83.9MB. Free memory was 42.9MB in the beginning and 62.5MB in the end (delta: -19.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:58:33,724 INFO L158 Benchmark]: RCFGBuilder took 1027.68ms. Allocated memory is still 83.9MB. Free memory was 62.5MB in the beginning and 40.1MB in the end (delta: 22.5MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2023-11-19 03:58:33,730 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 58.7MB. Free memory is still 34.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 467.11ms. Allocated memory is still 83.9MB. Free memory was 59.9MB in the beginning and 44.9MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.11ms. Allocated memory is still 83.9MB. Free memory was 44.7MB in the beginning and 43.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.61ms. Allocated memory is still 83.9MB. Free memory was 42.9MB in the beginning and 62.5MB in the end (delta: -19.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1027.68ms. Allocated memory is still 83.9MB. Free memory was 62.5MB in the beginning and 40.1MB in the end (delta: 22.5MB). Peak memory consumption was 31.3MB. 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: call #t~mem7 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~1)), 4bv32);call #t~mem8 := read~intINTTYPE4(~B~0.base, ~bvadd~32(~B~0.offset, ~bvmul~32(4bv32, ~i~1)), 4bv32);). 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: call #t~mem7 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~1)), 4bv32);call #t~mem8 := read~intINTTYPE4(~B~0.base, ~bvadd~32(~B~0.offset, ~bvmul~32(4bv32, ~i~1)), 4bv32);). 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 03:58:33,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_691d1afb-efe5-4775-b138-486070a8961d/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: call #t~mem7 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~1)), 4bv32);call #t~mem8 := read~intINTTYPE4(~B~0.base, ~bvadd~32(~B~0.offset, ~bvmul~32(4bv32, ~i~1)), 4bv32);). Is there illegal control flow (e.g. loops) within an atomic block?