./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-commit-1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_d5faff3e-82bd-49eb-a583-5fa4fce67df1/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5faff3e-82bd-49eb-a583-5fa4fce67df1/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5faff3e-82bd-49eb-a583-5fa4fce67df1/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5faff3e-82bd-49eb-a583-5fa4fce67df1/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-commit-1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5faff3e-82bd-49eb-a583-5fa4fce67df1/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5faff3e-82bd-49eb-a583-5fa4fce67df1/bin/ukojak-verify-1t5iHCbJaC --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 73c55a951ef2b92a665c2c32d76e33a5a03bdbde67ee3c8e6748faf493088c7e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:19:12,138 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:19:12,244 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5faff3e-82bd-49eb-a583-5fa4fce67df1/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:19:12,253 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:19:12,254 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:19:12,301 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:19:12,302 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:19:12,303 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:19:12,304 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:19:12,306 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:19:12,306 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:19:12,307 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:19:12,308 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:19:12,309 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:19:12,309 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:19:12,310 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:19:12,310 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:19:12,311 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:19:12,312 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:19:12,312 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:19:12,313 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:19:12,313 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:19:12,314 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:19:12,314 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:19:12,315 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:19:12,315 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:19:12,316 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:19:12,316 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:19:12,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:19:12,335 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:19:12,336 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:19:12,336 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:19:12,337 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:19:12,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:19:12,337 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:19:12,337 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_d5faff3e-82bd-49eb-a583-5fa4fce67df1/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5faff3e-82bd-49eb-a583-5fa4fce67df1/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73c55a951ef2b92a665c2c32d76e33a5a03bdbde67ee3c8e6748faf493088c7e [2023-11-23 20:19:12,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:19:12,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:19:12,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:19:12,700 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:19:12,701 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:19:12,703 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5faff3e-82bd-49eb-a583-5fa4fce67df1/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/weaver/popl20-commit-1.wvr.c [2023-11-23 20:19:16,046 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:19:16,318 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:19:16,318 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5faff3e-82bd-49eb-a583-5fa4fce67df1/sv-benchmarks/c/weaver/popl20-commit-1.wvr.c [2023-11-23 20:19:16,328 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5faff3e-82bd-49eb-a583-5fa4fce67df1/bin/ukojak-verify-1t5iHCbJaC/data/28b0967bd/58494afac8ce4dcabd50633aabf1c93c/FLAG24f88dcf8 [2023-11-23 20:19:16,346 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5faff3e-82bd-49eb-a583-5fa4fce67df1/bin/ukojak-verify-1t5iHCbJaC/data/28b0967bd/58494afac8ce4dcabd50633aabf1c93c [2023-11-23 20:19:16,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:19:16,351 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:19:16,352 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:19:16,353 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:19:16,358 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:19:16,359 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:19:16" (1/1) ... [2023-11-23 20:19:16,360 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bc90470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:16, skipping insertion in model container [2023-11-23 20:19:16,361 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:19:16" (1/1) ... [2023-11-23 20:19:16,405 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:19:16,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:19:16,627 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:19:16,667 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:19:16,677 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:19:16,677 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:19:16,687 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:19:16,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:16 WrapperNode [2023-11-23 20:19:16,687 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:19:16,689 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:19:16,689 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:19:16,689 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:19:16,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:16" (1/1) ... [2023-11-23 20:19:16,718 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:16" (1/1) ... [2023-11-23 20:19:16,756 INFO L138 Inliner]: procedures = 25, calls = 69, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2023-11-23 20:19:16,756 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:19:16,757 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:19:16,757 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:19:16,758 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:19:16,767 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:16" (1/1) ... [2023-11-23 20:19:16,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:16" (1/1) ... [2023-11-23 20:19:16,773 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:16" (1/1) ... [2023-11-23 20:19:16,773 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:16" (1/1) ... [2023-11-23 20:19:16,790 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:16" (1/1) ... [2023-11-23 20:19:16,795 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:16" (1/1) ... [2023-11-23 20:19:16,798 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:16" (1/1) ... [2023-11-23 20:19:16,800 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:16" (1/1) ... [2023-11-23 20:19:16,805 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:19:16,820 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:19:16,820 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:19:16,820 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:19:16,821 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:16" (1/1) ... [2023-11-23 20:19:16,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:19:16,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5faff3e-82bd-49eb-a583-5fa4fce67df1/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:19:16,856 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5faff3e-82bd-49eb-a583-5fa4fce67df1/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:19:16,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5faff3e-82bd-49eb-a583-5fa4fce67df1/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:19:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:19:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:19:16,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:19:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-23 20:19:16,902 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-23 20:19:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:19:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 20:19:16,902 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 20:19:16,902 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 20:19:16,902 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 20:19:16,903 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-23 20:19:16,903 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-23 20:19:16,903 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:19:16,903 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:19:16,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:19:16,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:19:16,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:19:16,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:19:16,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:19:16,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:19:16,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:19:16,906 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:19:17,030 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:19:17,032 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:19:17,575 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:19:17,847 WARN L1821 r$LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-23 20:19:17,875 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: havoc #t~mem5;#t~post6 := ~node_back~0;assume 1 + #t~post6 >= -2147483648;assume 1 + #t~post6 <= 2147483647;~node_back~0 := 1 + #t~post6;havoc #t~post6;). 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-23 20:19:17,879 INFO L158 Benchmark]: Toolchain (without parser) took 1527.92ms. Allocated memory was 121.6MB in the beginning and 163.6MB in the end (delta: 41.9MB). Free memory was 83.6MB in the beginning and 103.0MB in the end (delta: -19.4MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2023-11-23 20:19:17,880 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 121.6MB. Free memory is still 91.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:19:17,881 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.66ms. Allocated memory is still 121.6MB. Free memory was 83.3MB in the beginning and 70.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 20:19:17,881 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.79ms. Allocated memory is still 121.6MB. Free memory was 70.6MB in the beginning and 68.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:19:17,882 INFO L158 Benchmark]: Boogie Preprocessor took 48.07ms. Allocated memory is still 121.6MB. Free memory was 68.9MB in the beginning and 66.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:19:17,883 INFO L158 Benchmark]: RCFGBuilder took 1057.73ms. Allocated memory was 121.6MB in the beginning and 163.6MB in the end (delta: 41.9MB). Free memory was 66.9MB in the beginning and 103.0MB in the end (delta: -36.2MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2023-11-23 20:19:17,886 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 121.6MB. Free memory is still 91.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.66ms. Allocated memory is still 121.6MB. Free memory was 83.3MB in the beginning and 70.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.79ms. Allocated memory is still 121.6MB. Free memory was 70.6MB in the beginning and 68.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.07ms. Allocated memory is still 121.6MB. Free memory was 68.9MB in the beginning and 66.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1057.73ms. Allocated memory was 121.6MB in the beginning and 163.6MB in the end (delta: 41.9MB). Free memory was 66.9MB in the beginning and 103.0MB in the end (delta: -36.2MB). Peak memory consumption was 34.3MB. 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: havoc #t~mem5;#t~post6 := ~node_back~0;assume 1 + #t~post6 >= -2147483648;assume 1 + #t~post6 <= 2147483647;~node_back~0 := 1 + #t~post6;havoc #t~post6;). 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: havoc #t~mem5;#t~post6 := ~node_back~0;assume 1 + #t~post6 >= -2147483648;assume 1 + #t~post6 <= 2147483647;~node_back~0 := 1 + #t~post6;havoc #t~post6;). 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. [2023-11-23 20:19:17,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5faff3e-82bd-49eb-a583-5fa4fce67df1/bin/ukojak-verify-1t5iHCbJaC/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_d5faff3e-82bd-49eb-a583-5fa4fce67df1/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5faff3e-82bd-49eb-a583-5fa4fce67df1/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5faff3e-82bd-49eb-a583-5fa4fce67df1/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5faff3e-82bd-49eb-a583-5fa4fce67df1/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-commit-1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5faff3e-82bd-49eb-a583-5fa4fce67df1/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5faff3e-82bd-49eb-a583-5fa4fce67df1/bin/ukojak-verify-1t5iHCbJaC --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 73c55a951ef2b92a665c2c32d76e33a5a03bdbde67ee3c8e6748faf493088c7e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:19:20,706 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:19:20,844 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5faff3e-82bd-49eb-a583-5fa4fce67df1/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:19:20,900 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:19:20,901 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:19:20,902 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:19:20,903 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:19:20,904 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:19:20,906 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:19:20,911 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:19:20,911 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:19:20,912 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:19:20,912 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:19:20,914 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:19:20,915 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:19:20,915 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:19:20,916 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:19:20,916 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:19:20,917 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:19:20,917 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:19:20,918 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:19:20,918 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:19:20,919 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:19:20,919 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:19:20,920 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:19:20,920 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:19:20,921 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:19:20,921 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:19:20,921 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:19:20,922 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:19:20,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:19:20,924 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:19:20,924 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:19:20,925 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:19:20,925 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:19:20,925 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:19:20,925 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:19:20,926 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:19:20,926 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:19:20,927 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_d5faff3e-82bd-49eb-a583-5fa4fce67df1/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5faff3e-82bd-49eb-a583-5fa4fce67df1/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73c55a951ef2b92a665c2c32d76e33a5a03bdbde67ee3c8e6748faf493088c7e [2023-11-23 20:19:21,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:19:21,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:19:21,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:19:21,415 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:19:21,416 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:19:21,417 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5faff3e-82bd-49eb-a583-5fa4fce67df1/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/weaver/popl20-commit-1.wvr.c [2023-11-23 20:19:24,660 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:19:24,938 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:19:24,939 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5faff3e-82bd-49eb-a583-5fa4fce67df1/sv-benchmarks/c/weaver/popl20-commit-1.wvr.c [2023-11-23 20:19:24,953 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5faff3e-82bd-49eb-a583-5fa4fce67df1/bin/ukojak-verify-1t5iHCbJaC/data/96d37f2e4/0a21f5b7dc3c45c68664a456557bacbf/FLAG8ec3f6a06 [2023-11-23 20:19:24,971 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5faff3e-82bd-49eb-a583-5fa4fce67df1/bin/ukojak-verify-1t5iHCbJaC/data/96d37f2e4/0a21f5b7dc3c45c68664a456557bacbf [2023-11-23 20:19:24,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:19:24,979 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:19:24,983 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:19:24,983 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:19:24,989 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:19:24,990 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:19:24" (1/1) ... [2023-11-23 20:19:24,991 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d867269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:24, skipping insertion in model container [2023-11-23 20:19:24,991 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:19:24" (1/1) ... [2023-11-23 20:19:25,037 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:19:25,300 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:19:25,315 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-23 20:19:25,328 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:19:25,390 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:19:25,399 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:19:25,452 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:19:25,462 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:19:25,463 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:19:25,470 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:19:25,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:25 WrapperNode [2023-11-23 20:19:25,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:19:25,472 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:19:25,472 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:19:25,473 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:19:25,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:25" (1/1) ... [2023-11-23 20:19:25,492 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:25" (1/1) ... [2023-11-23 20:19:25,515 INFO L138 Inliner]: procedures = 27, calls = 69, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 108 [2023-11-23 20:19:25,515 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:19:25,516 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:19:25,516 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:19:25,516 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:19:25,526 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:25" (1/1) ... [2023-11-23 20:19:25,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:25" (1/1) ... [2023-11-23 20:19:25,532 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:25" (1/1) ... [2023-11-23 20:19:25,532 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:25" (1/1) ... [2023-11-23 20:19:25,547 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:25" (1/1) ... [2023-11-23 20:19:25,551 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:25" (1/1) ... [2023-11-23 20:19:25,554 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:25" (1/1) ... [2023-11-23 20:19:25,556 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:25" (1/1) ... [2023-11-23 20:19:25,560 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:19:25,561 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:19:25,561 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:19:25,561 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:19:25,562 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:25" (1/1) ... [2023-11-23 20:19:25,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:19:25,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5faff3e-82bd-49eb-a583-5fa4fce67df1/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:19:25,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5faff3e-82bd-49eb-a583-5fa4fce67df1/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:19:25,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5faff3e-82bd-49eb-a583-5fa4fce67df1/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:19:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:19:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:19:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:19:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-23 20:19:25,729 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-23 20:19:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:19:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 20:19:25,729 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 20:19:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 20:19:25,730 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 20:19:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-23 20:19:25,731 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-23 20:19:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:19:25,732 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:19:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:19:25,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:19:25,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:19:25,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:19:25,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:19:25,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:19:25,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:19:25,736 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:19:25,922 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:19:25,925 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:19:26,485 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:19:26,877 WARN L1821 r$LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-23 20:19:26,911 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: havoc #t~mem5;#t~post6 := ~node_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post6)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post6)), 2147483647bv33);~node_back~0 := ~bvadd~32(1bv32, #t~post6);havoc #t~post6;). 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-23 20:19:26,918 INFO L158 Benchmark]: Toolchain (without parser) took 1938.44ms. Allocated memory is still 96.5MB. Free memory was 72.1MB in the beginning and 41.3MB in the end (delta: 30.7MB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. [2023-11-23 20:19:26,919 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 69.2MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:19:26,920 INFO L158 Benchmark]: CACSL2BoogieTranslator took 488.52ms. Allocated memory is still 96.5MB. Free memory was 71.8MB in the beginning and 56.4MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:19:26,920 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.34ms. Allocated memory is still 96.5MB. Free memory was 56.2MB in the beginning and 54.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:19:26,922 INFO L158 Benchmark]: Boogie Preprocessor took 44.24ms. Allocated memory is still 96.5MB. Free memory was 54.4MB in the beginning and 52.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:19:26,923 INFO L158 Benchmark]: RCFGBuilder took 1355.62ms. Allocated memory is still 96.5MB. Free memory was 52.3MB in the beginning and 41.3MB in the end (delta: 11.0MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2023-11-23 20:19:26,926 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 69.2MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 488.52ms. Allocated memory is still 96.5MB. Free memory was 71.8MB in the beginning and 56.4MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.34ms. Allocated memory is still 96.5MB. Free memory was 56.2MB in the beginning and 54.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.24ms. Allocated memory is still 96.5MB. Free memory was 54.4MB in the beginning and 52.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1355.62ms. Allocated memory is still 96.5MB. Free memory was 52.3MB in the beginning and 41.3MB in the end (delta: 11.0MB). Peak memory consumption was 24.8MB. 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: havoc #t~mem5;#t~post6 := ~node_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post6)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post6)), 2147483647bv33);~node_back~0 := ~bvadd~32(1bv32, #t~post6);havoc #t~post6;). 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: havoc #t~mem5;#t~post6 := ~node_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post6)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post6)), 2147483647bv33);~node_back~0 := ~bvadd~32(1bv32, #t~post6);havoc #t~post6;). 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. [2023-11-23 20:19:26,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5faff3e-82bd-49eb-a583-5fa4fce67df1/bin/ukojak-verify-1t5iHCbJaC/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: havoc #t~mem5;#t~post6 := ~node_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post6)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post6)), 2147483647bv33);~node_back~0 := ~bvadd~32(1bv32, #t~post6);havoc #t~post6;). Is there illegal control flow (e.g. loops) within an atomic block?