./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_9bae344a-f0f0-4313-933f-5a35a7d3080c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bae344a-f0f0-4313-933f-5a35a7d3080c/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bae344a-f0f0-4313-933f-5a35a7d3080c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bae344a-f0f0-4313-933f-5a35a7d3080c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bae344a-f0f0-4313-933f-5a35a7d3080c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bae344a-f0f0-4313-933f-5a35a7d3080c/bin/ukojak-verify-Qdu7aM0XO9 --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 37988a2d341c7c9f3fcf434d412d9132bef9023d4105c08959698de2759206e2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:52:29,617 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:52:29,681 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bae344a-f0f0-4313-933f-5a35a7d3080c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 00:52:29,685 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:52:29,686 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:52:29,708 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:52:29,709 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:52:29,709 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:52:29,710 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:52:29,710 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:52:29,711 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:52:29,711 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:52:29,712 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:52:29,712 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:52:29,713 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:52:29,713 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:52:29,714 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:52:29,714 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:52:29,715 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:52:29,715 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:52:29,715 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:52:29,717 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:52:29,718 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:52:29,718 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:52:29,719 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:52:29,719 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:52:29,719 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:52:29,720 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:52:29,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:52:29,720 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:52:29,721 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:52:29,721 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:52:29,721 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:52:29,722 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:52:29,722 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:52:29,722 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_9bae344a-f0f0-4313-933f-5a35a7d3080c/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bae344a-f0f0-4313-933f-5a35a7d3080c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37988a2d341c7c9f3fcf434d412d9132bef9023d4105c08959698de2759206e2 [2023-12-03 00:52:29,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:52:29,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:52:29,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:52:29,967 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:52:29,967 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:52:29,969 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bae344a-f0f0-4313-933f-5a35a7d3080c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c [2023-12-03 00:52:32,717 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:52:32,879 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:52:32,880 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bae344a-f0f0-4313-933f-5a35a7d3080c/sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c [2023-12-03 00:52:32,889 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bae344a-f0f0-4313-933f-5a35a7d3080c/bin/ukojak-verify-Qdu7aM0XO9/data/7551a0f25/b15702e3cbc94a13846da3b066ab6ead/FLAG54f7b2245 [2023-12-03 00:52:32,904 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bae344a-f0f0-4313-933f-5a35a7d3080c/bin/ukojak-verify-Qdu7aM0XO9/data/7551a0f25/b15702e3cbc94a13846da3b066ab6ead [2023-12-03 00:52:32,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:52:32,907 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:52:32,909 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:52:32,909 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:52:32,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:52:32,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:52:32" (1/1) ... [2023-12-03 00:52:32,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57b483e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:32, skipping insertion in model container [2023-12-03 00:52:32,915 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:52:32" (1/1) ... [2023-12-03 00:52:32,939 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:52:33,091 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:52:33,102 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:52:33,130 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:52:33,139 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:52:33,140 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:52:33,147 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:52:33,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:33 WrapperNode [2023-12-03 00:52:33,148 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:52:33,149 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:52:33,149 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:52:33,149 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:52:33,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:33" (1/1) ... [2023-12-03 00:52:33,164 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:33" (1/1) ... [2023-12-03 00:52:33,182 INFO L138 Inliner]: procedures = 25, calls = 59, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2023-12-03 00:52:33,183 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:52:33,183 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:52:33,184 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:52:33,184 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:52:33,191 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:33" (1/1) ... [2023-12-03 00:52:33,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:33" (1/1) ... [2023-12-03 00:52:33,196 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:33" (1/1) ... [2023-12-03 00:52:33,196 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:33" (1/1) ... [2023-12-03 00:52:33,206 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:33" (1/1) ... [2023-12-03 00:52:33,210 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:33" (1/1) ... [2023-12-03 00:52:33,213 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:33" (1/1) ... [2023-12-03 00:52:33,215 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:33" (1/1) ... [2023-12-03 00:52:33,219 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:52:33,220 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:52:33,220 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:52:33,220 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:52:33,221 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:33" (1/1) ... [2023-12-03 00:52:33,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:52:33,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bae344a-f0f0-4313-933f-5a35a7d3080c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:52:33,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bae344a-f0f0-4313-933f-5a35a7d3080c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:52:33,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bae344a-f0f0-4313-933f-5a35a7d3080c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:52:33,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:52:33,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:52:33,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 00:52:33,283 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-12-03 00:52:33,283 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-12-03 00:52:33,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 00:52:33,284 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 00:52:33,284 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 00:52:33,284 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 00:52:33,284 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 00:52:33,284 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-03 00:52:33,284 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-03 00:52:33,284 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 00:52:33,284 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 00:52:33,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:52:33,285 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-12-03 00:52:33,285 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-12-03 00:52:33,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 00:52:33,285 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 00:52:33,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:52:33,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:52:33,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:52:33,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:52:33,287 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 00:52:33,406 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:52:33,409 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:52:33,730 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:52:33,847 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;~tmp~0 := #t~ret5;havoc #t~mem2;havoc #t~mem3;havoc #t~ret4;havoc #t~ret5;). 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:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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) [2023-12-03 00:52:33,851 INFO L158 Benchmark]: Toolchain (without parser) took 943.25ms. Allocated memory is still 142.6MB. Free memory was 90.3MB in the beginning and 90.0MB in the end (delta: 309.2kB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2023-12-03 00:52:33,852 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 107.0MB. Free memory is still 60.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:52:33,852 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.67ms. Allocated memory is still 142.6MB. Free memory was 90.0MB in the beginning and 78.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 00:52:33,853 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.13ms. Allocated memory is still 142.6MB. Free memory was 78.0MB in the beginning and 76.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:52:33,853 INFO L158 Benchmark]: Boogie Preprocessor took 35.40ms. Allocated memory is still 142.6MB. Free memory was 76.2MB in the beginning and 74.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:52:33,854 INFO L158 Benchmark]: RCFGBuilder took 629.77ms. Allocated memory is still 142.6MB. Free memory was 74.4MB in the beginning and 90.0MB in the end (delta: -15.6MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2023-12-03 00:52:33,857 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 107.0MB. Free memory is still 60.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.67ms. Allocated memory is still 142.6MB. Free memory was 90.0MB in the beginning and 78.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.13ms. Allocated memory is still 142.6MB. Free memory was 78.0MB in the beginning and 76.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.40ms. Allocated memory is still 142.6MB. Free memory was 76.2MB in the beginning and 74.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 629.77ms. Allocated memory is still 142.6MB. Free memory was 74.4MB in the beginning and 90.0MB in the end (delta: -15.6MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;~tmp~0 := #t~ret5;havoc #t~mem2;havoc #t~mem3;havoc #t~ret4;havoc #t~ret5;). 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 end of atomic block: assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647;~tmp~0 := #t~ret5;havoc #t~mem2;havoc #t~mem3;havoc #t~ret4;havoc #t~ret5;). 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:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:52:33,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bae344a-f0f0-4313-933f-5a35a7d3080c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bae344a-f0f0-4313-933f-5a35a7d3080c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bae344a-f0f0-4313-933f-5a35a7d3080c/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bae344a-f0f0-4313-933f-5a35a7d3080c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bae344a-f0f0-4313-933f-5a35a7d3080c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bae344a-f0f0-4313-933f-5a35a7d3080c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bae344a-f0f0-4313-933f-5a35a7d3080c/bin/ukojak-verify-Qdu7aM0XO9 --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 37988a2d341c7c9f3fcf434d412d9132bef9023d4105c08959698de2759206e2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:52:35,816 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:52:35,896 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bae344a-f0f0-4313-933f-5a35a7d3080c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 00:52:35,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:52:35,928 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:52:35,928 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:52:35,929 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:52:35,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:52:35,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:52:35,931 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:52:35,931 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:52:35,932 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:52:35,932 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:52:35,933 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:52:35,933 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:52:35,934 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:52:35,934 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:52:35,935 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:52:35,935 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 00:52:35,936 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:52:35,936 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 00:52:35,940 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:52:35,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:52:35,941 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:52:35,942 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:52:35,942 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:52:35,943 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:52:35,943 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:35,944 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:52:35,944 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:52:35,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:52:35,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:52:35,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:52:35,945 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:52:35,946 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:52:35,946 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:52:35,946 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:52:35,946 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:52:35,947 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:52:35,947 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_9bae344a-f0f0-4313-933f-5a35a7d3080c/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bae344a-f0f0-4313-933f-5a35a7d3080c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37988a2d341c7c9f3fcf434d412d9132bef9023d4105c08959698de2759206e2 [2023-12-03 00:52:36,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:52:36,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:52:36,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:52:36,249 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:52:36,249 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:52:36,251 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bae344a-f0f0-4313-933f-5a35a7d3080c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c [2023-12-03 00:52:39,000 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:52:39,199 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:52:39,199 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bae344a-f0f0-4313-933f-5a35a7d3080c/sv-benchmarks/c/weaver/popl20-more-array-sum.wvr.c [2023-12-03 00:52:39,207 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bae344a-f0f0-4313-933f-5a35a7d3080c/bin/ukojak-verify-Qdu7aM0XO9/data/a3229c119/0a11b9c6e46a42aa81ab29b58efbf94f/FLAGd8ad4db8d [2023-12-03 00:52:39,221 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bae344a-f0f0-4313-933f-5a35a7d3080c/bin/ukojak-verify-Qdu7aM0XO9/data/a3229c119/0a11b9c6e46a42aa81ab29b58efbf94f [2023-12-03 00:52:39,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:52:39,225 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:52:39,227 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:52:39,227 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:52:39,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:52:39,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:52:39" (1/1) ... [2023-12-03 00:52:39,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@924df7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:39, skipping insertion in model container [2023-12-03 00:52:39,234 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:52:39" (1/1) ... [2023-12-03 00:52:39,261 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:52:39,463 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:52:39,477 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 00:52:39,483 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:52:39,506 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:52:39,511 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:52:39,542 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:52:39,552 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:52:39,552 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 00:52:39,560 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:52:39,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:39 WrapperNode [2023-12-03 00:52:39,561 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:52:39,562 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:52:39,562 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:52:39,562 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:52:39,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:39" (1/1) ... [2023-12-03 00:52:39,582 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:39" (1/1) ... [2023-12-03 00:52:39,602 INFO L138 Inliner]: procedures = 27, calls = 59, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2023-12-03 00:52:39,603 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:52:39,604 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:52:39,604 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:52:39,604 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:52:39,613 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:39" (1/1) ... [2023-12-03 00:52:39,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:39" (1/1) ... [2023-12-03 00:52:39,619 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:39" (1/1) ... [2023-12-03 00:52:39,619 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:39" (1/1) ... [2023-12-03 00:52:39,633 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:39" (1/1) ... [2023-12-03 00:52:39,637 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:39" (1/1) ... [2023-12-03 00:52:39,640 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:39" (1/1) ... [2023-12-03 00:52:39,642 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:39" (1/1) ... [2023-12-03 00:52:39,656 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:52:39,657 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:52:39,657 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:52:39,657 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:52:39,658 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:52:39" (1/1) ... [2023-12-03 00:52:39,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:52:39,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bae344a-f0f0-4313-933f-5a35a7d3080c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:52:39,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bae344a-f0f0-4313-933f-5a35a7d3080c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:52:39,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bae344a-f0f0-4313-933f-5a35a7d3080c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:52:39,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:52:39,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:52:39,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 00:52:39,757 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-12-03 00:52:39,757 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-12-03 00:52:39,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 00:52:39,757 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 00:52:39,757 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 00:52:39,757 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 00:52:39,758 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 00:52:39,758 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-03 00:52:39,758 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-03 00:52:39,758 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 00:52:39,758 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 00:52:39,758 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-12-03 00:52:39,758 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-12-03 00:52:39,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 00:52:39,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 00:52:39,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-03 00:52:39,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:52:39,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:52:39,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 00:52:39,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 00:52:39,761 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 00:52:39,881 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:52:39,883 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:52:40,263 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:52:40,394 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~tmp~0 := #t~ret5;havoc #t~mem2;havoc #t~mem3;havoc #t~ret4;havoc #t~ret5;). 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:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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) [2023-12-03 00:52:40,398 INFO L158 Benchmark]: Toolchain (without parser) took 1171.84ms. Allocated memory is still 90.2MB. Free memory was 66.8MB in the beginning and 62.2MB in the end (delta: 4.6MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2023-12-03 00:52:40,398 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:52:40,399 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.38ms. Allocated memory is still 90.2MB. Free memory was 66.6MB in the beginning and 52.2MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 00:52:40,400 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.37ms. Allocated memory is still 90.2MB. Free memory was 52.0MB in the beginning and 50.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 00:52:40,400 INFO L158 Benchmark]: Boogie Preprocessor took 52.34ms. Allocated memory is still 90.2MB. Free memory was 50.3MB in the beginning and 69.6MB in the end (delta: -19.3MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2023-12-03 00:52:40,401 INFO L158 Benchmark]: RCFGBuilder took 739.55ms. Allocated memory is still 90.2MB. Free memory was 69.6MB in the beginning and 62.2MB in the end (delta: 7.4MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2023-12-03 00:52:40,404 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.38ms. Allocated memory is still 90.2MB. Free memory was 66.6MB in the beginning and 52.2MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.37ms. Allocated memory is still 90.2MB. Free memory was 52.0MB in the beginning and 50.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.34ms. Allocated memory is still 90.2MB. Free memory was 50.3MB in the beginning and 69.6MB in the end (delta: -19.3MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * RCFGBuilder took 739.55ms. Allocated memory is still 90.2MB. Free memory was 69.6MB in the beginning and 62.2MB in the end (delta: 7.4MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~tmp~0 := #t~ret5;havoc #t~mem2;havoc #t~mem3;havoc #t~ret4;havoc #t~ret5;). 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 end of atomic block: ~tmp~0 := #t~ret5;havoc #t~mem2;havoc #t~mem3;havoc #t~ret4;havoc #t~ret5;). 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:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:52:40,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bae344a-f0f0-4313-933f-5a35a7d3080c/bin/ukojak-verify-Qdu7aM0XO9/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 end of atomic block: ~tmp~0 := #t~ret5;havoc #t~mem2;havoc #t~mem3;havoc #t~ret4;havoc #t~ret5;). Is there illegal control flow (e.g. loops) within an atomic block?