./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix020.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02badb7f-c73f-4476-b1fc-d8a821a2456e/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02badb7f-c73f-4476-b1fc-d8a821a2456e/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02badb7f-c73f-4476-b1fc-d8a821a2456e/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02badb7f-c73f-4476-b1fc-d8a821a2456e/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix020.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02badb7f-c73f-4476-b1fc-d8a821a2456e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02badb7f-c73f-4476-b1fc-d8a821a2456e/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b3c17f675455332f72f7dc385a60a0aa293a9aeb1dd45189023ae89322443476 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:51:07,137 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:51:07,212 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02badb7f-c73f-4476-b1fc-d8a821a2456e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:51:07,222 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:51:07,222 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:51:07,258 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:51:07,259 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:51:07,264 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:51:07,265 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:51:07,266 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:51:07,267 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:51:07,268 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:51:07,268 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:51:07,269 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:51:07,269 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:51:07,270 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:51:07,270 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:51:07,271 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:51:07,271 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:51:07,272 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:51:07,272 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:51:07,273 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:51:07,273 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:51:07,274 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:51:07,274 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:51:07,274 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:51:07,275 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:51:07,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:51:07,276 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:51:07,277 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:51:07,278 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:51:07,278 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:51:07,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:51:07,278 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:51:07,279 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_02badb7f-c73f-4476-b1fc-d8a821a2456e/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02badb7f-c73f-4476-b1fc-d8a821a2456e/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3c17f675455332f72f7dc385a60a0aa293a9aeb1dd45189023ae89322443476 [2023-11-11 23:51:07,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:51:07,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:51:07,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:51:07,562 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:51:07,562 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:51:07,564 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02badb7f-c73f-4476-b1fc-d8a821a2456e/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-wmm/mix020.opt.i [2023-11-11 23:51:10,906 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:51:11,246 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:51:11,250 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02badb7f-c73f-4476-b1fc-d8a821a2456e/sv-benchmarks/c/pthread-wmm/mix020.opt.i [2023-11-11 23:51:11,279 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02badb7f-c73f-4476-b1fc-d8a821a2456e/bin/ukojak-verify-0OAaufAVZV/data/29fd77df9/182d868f11a848138786eb946dee529b/FLAG39469bbce [2023-11-11 23:51:11,294 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02badb7f-c73f-4476-b1fc-d8a821a2456e/bin/ukojak-verify-0OAaufAVZV/data/29fd77df9/182d868f11a848138786eb946dee529b [2023-11-11 23:51:11,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:51:11,304 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:51:11,308 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:51:11,308 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:51:11,313 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:51:11,314 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:51:11" (1/1) ... [2023-11-11 23:51:11,316 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dc3453a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:11, skipping insertion in model container [2023-11-11 23:51:11,316 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:51:11" (1/1) ... [2023-11-11 23:51:11,384 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:51:11,767 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:51:11,779 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:51:11,848 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:51:11,902 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:51:11,903 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:51:11,911 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:51:11,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:11 WrapperNode [2023-11-11 23:51:11,912 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:51:11,913 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:51:11,914 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:51:11,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:51:11,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:11" (1/1) ... [2023-11-11 23:51:11,954 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:11" (1/1) ... [2023-11-11 23:51:11,981 INFO L138 Inliner]: procedures = 177, calls = 70, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 112 [2023-11-11 23:51:11,981 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:51:11,982 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:51:11,982 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:51:11,983 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:51:11,992 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:11" (1/1) ... [2023-11-11 23:51:11,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:11" (1/1) ... [2023-11-11 23:51:11,997 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:11" (1/1) ... [2023-11-11 23:51:11,997 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:11" (1/1) ... [2023-11-11 23:51:12,010 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:11" (1/1) ... [2023-11-11 23:51:12,013 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:11" (1/1) ... [2023-11-11 23:51:12,016 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:11" (1/1) ... [2023-11-11 23:51:12,018 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:11" (1/1) ... [2023-11-11 23:51:12,023 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:51:12,024 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:51:12,024 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:51:12,025 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:51:12,026 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:11" (1/1) ... [2023-11-11 23:51:12,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:51:12,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02badb7f-c73f-4476-b1fc-d8a821a2456e/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:51:12,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02badb7f-c73f-4476-b1fc-d8a821a2456e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:51:12,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02badb7f-c73f-4476-b1fc-d8a821a2456e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:51:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-11 23:51:12,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-11 23:51:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:51:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:51:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:51:12,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:51:12,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:51:12,126 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-11 23:51:12,126 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-11 23:51:12,126 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-11 23:51:12,127 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-11 23:51:12,127 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-11 23:51:12,127 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-11 23:51:12,127 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-11 23:51:12,127 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-11 23:51:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:51:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:51:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:51:12,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:51:12,132 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:51:12,308 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:51:12,309 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:51:12,720 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:51:13,019 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:51:13,022 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:51:13,024 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L814 is neither atomic block end nor a sink node. [2023-11-11 23:51:13,025 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-11 23:51:13,030 INFO L158 Benchmark]: Toolchain (without parser) took 1725.12ms. Allocated memory was 144.7MB in the beginning and 186.6MB in the end (delta: 41.9MB). Free memory was 102.0MB in the beginning and 124.6MB in the end (delta: -22.6MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2023-11-11 23:51:13,031 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 98.6MB. Free memory is still 52.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:51:13,033 INFO L158 Benchmark]: CACSL2BoogieTranslator took 604.52ms. Allocated memory is still 144.7MB. Free memory was 102.0MB in the beginning and 77.7MB in the end (delta: 24.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-11 23:51:13,034 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.29ms. Allocated memory is still 144.7MB. Free memory was 77.7MB in the beginning and 75.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:51:13,034 INFO L158 Benchmark]: Boogie Preprocessor took 41.35ms. Allocated memory is still 144.7MB. Free memory was 75.3MB in the beginning and 73.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:51:13,035 INFO L158 Benchmark]: RCFGBuilder took 1003.96ms. Allocated memory was 144.7MB in the beginning and 186.6MB in the end (delta: 41.9MB). Free memory was 73.2MB in the beginning and 124.6MB in the end (delta: -51.4MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2023-11-11 23:51:13,039 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 98.6MB. Free memory is still 52.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 604.52ms. Allocated memory is still 144.7MB. Free memory was 102.0MB in the beginning and 77.7MB in the end (delta: 24.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.29ms. Allocated memory is still 144.7MB. Free memory was 77.7MB in the beginning and 75.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.35ms. Allocated memory is still 144.7MB. Free memory was 75.3MB in the beginning and 73.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1003.96ms. Allocated memory was 144.7MB in the beginning and 186.6MB in the end (delta: 41.9MB). Free memory was 73.2MB in the beginning and 124.6MB in the end (delta: -51.4MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:51:13,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02badb7f-c73f-4476-b1fc-d8a821a2456e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_02badb7f-c73f-4476-b1fc-d8a821a2456e/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02badb7f-c73f-4476-b1fc-d8a821a2456e/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02badb7f-c73f-4476-b1fc-d8a821a2456e/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02badb7f-c73f-4476-b1fc-d8a821a2456e/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix020.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02badb7f-c73f-4476-b1fc-d8a821a2456e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02badb7f-c73f-4476-b1fc-d8a821a2456e/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b3c17f675455332f72f7dc385a60a0aa293a9aeb1dd45189023ae89322443476 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:51:15,877 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:51:16,004 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02badb7f-c73f-4476-b1fc-d8a821a2456e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:51:16,067 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:51:16,068 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:51:16,069 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:51:16,070 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:51:16,070 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:51:16,072 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:51:16,077 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:51:16,077 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:51:16,078 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:51:16,078 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:51:16,079 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:51:16,080 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:51:16,080 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:51:16,080 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:51:16,081 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:51:16,081 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:51:16,081 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:51:16,081 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:51:16,082 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:51:16,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:51:16,083 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:51:16,083 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:51:16,084 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:51:16,084 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:51:16,085 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:51:16,085 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:51:16,086 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:51:16,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:51:16,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:51:16,088 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:51:16,088 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:51:16,089 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:51:16,089 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:51:16,089 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:51:16,089 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:51:16,090 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:51:16,091 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_02badb7f-c73f-4476-b1fc-d8a821a2456e/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02badb7f-c73f-4476-b1fc-d8a821a2456e/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3c17f675455332f72f7dc385a60a0aa293a9aeb1dd45189023ae89322443476 [2023-11-11 23:51:16,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:51:16,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:51:16,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:51:16,567 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:51:16,567 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:51:16,569 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02badb7f-c73f-4476-b1fc-d8a821a2456e/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-wmm/mix020.opt.i [2023-11-11 23:51:19,735 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:51:20,127 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:51:20,128 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02badb7f-c73f-4476-b1fc-d8a821a2456e/sv-benchmarks/c/pthread-wmm/mix020.opt.i [2023-11-11 23:51:20,150 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02badb7f-c73f-4476-b1fc-d8a821a2456e/bin/ukojak-verify-0OAaufAVZV/data/94427fba7/4c15101352894a6ea266876bd2e9b630/FLAG8fe93473c [2023-11-11 23:51:20,174 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02badb7f-c73f-4476-b1fc-d8a821a2456e/bin/ukojak-verify-0OAaufAVZV/data/94427fba7/4c15101352894a6ea266876bd2e9b630 [2023-11-11 23:51:20,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:51:20,180 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:51:20,182 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:51:20,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:51:20,190 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:51:20,191 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:51:20" (1/1) ... [2023-11-11 23:51:20,192 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ae4352 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:20, skipping insertion in model container [2023-11-11 23:51:20,192 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:51:20" (1/1) ... [2023-11-11 23:51:20,254 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:51:20,753 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:51:20,776 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:51:20,892 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:51:20,959 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:51:20,959 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:51:20,968 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:51:20,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:20 WrapperNode [2023-11-11 23:51:20,969 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:51:20,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:51:20,971 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:51:20,971 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:51:20,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:20" (1/1) ... [2023-11-11 23:51:21,016 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:20" (1/1) ... [2023-11-11 23:51:21,067 INFO L138 Inliner]: procedures = 180, calls = 70, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 113 [2023-11-11 23:51:21,068 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:51:21,070 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:51:21,071 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:51:21,071 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:51:21,082 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:20" (1/1) ... [2023-11-11 23:51:21,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:20" (1/1) ... [2023-11-11 23:51:21,109 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:20" (1/1) ... [2023-11-11 23:51:21,109 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:20" (1/1) ... [2023-11-11 23:51:21,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:20" (1/1) ... [2023-11-11 23:51:21,150 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:20" (1/1) ... [2023-11-11 23:51:21,163 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:20" (1/1) ... [2023-11-11 23:51:21,166 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:20" (1/1) ... [2023-11-11 23:51:21,188 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:51:21,189 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:51:21,189 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:51:21,189 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:51:21,190 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:51:20" (1/1) ... [2023-11-11 23:51:21,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:51:21,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02badb7f-c73f-4476-b1fc-d8a821a2456e/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:51:21,245 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02badb7f-c73f-4476-b1fc-d8a821a2456e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:51:21,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02badb7f-c73f-4476-b1fc-d8a821a2456e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:51:21,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-11 23:51:21,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-11 23:51:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:51:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:51:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:51:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:51:21,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:51:21,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:51:21,298 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-11 23:51:21,298 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-11 23:51:21,298 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-11 23:51:21,298 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-11 23:51:21,298 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-11 23:51:21,299 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-11 23:51:21,300 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-11 23:51:21,301 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-11 23:51:21,301 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:51:21,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:51:21,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:51:21,303 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:51:21,553 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:51:21,561 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:51:22,065 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:51:22,313 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:51:22,314 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:51:22,316 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L814 is neither atomic block end nor a sink node. [2023-11-11 23:51:22,317 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-11 23:51:22,323 INFO L158 Benchmark]: Toolchain (without parser) took 2141.62ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 44.1MB in the beginning and 47.3MB in the end (delta: -3.2MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2023-11-11 23:51:22,324 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 56.6MB. Free memory was 32.9MB in the beginning and 32.9MB in the end (delta: 38.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:51:22,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 787.58ms. Allocated memory is still 69.2MB. Free memory was 43.9MB in the beginning and 34.3MB in the end (delta: 9.6MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2023-11-11 23:51:22,326 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.59ms. Allocated memory is still 69.2MB. Free memory was 34.0MB in the beginning and 31.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:51:22,328 INFO L158 Benchmark]: Boogie Preprocessor took 118.66ms. Allocated memory is still 69.2MB. Free memory was 31.7MB in the beginning and 46.4MB in the end (delta: -14.6MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2023-11-11 23:51:22,329 INFO L158 Benchmark]: RCFGBuilder took 1132.16ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 46.4MB in the beginning and 47.3MB in the end (delta: -867.1kB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2023-11-11 23:51:22,334 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 56.6MB. Free memory was 32.9MB in the beginning and 32.9MB in the end (delta: 38.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 787.58ms. Allocated memory is still 69.2MB. Free memory was 43.9MB in the beginning and 34.3MB in the end (delta: 9.6MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.59ms. Allocated memory is still 69.2MB. Free memory was 34.0MB in the beginning and 31.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 118.66ms. Allocated memory is still 69.2MB. Free memory was 31.7MB in the beginning and 46.4MB in the end (delta: -14.6MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * RCFGBuilder took 1132.16ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 46.4MB in the beginning and 47.3MB in the end (delta: -867.1kB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:51:22,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02badb7f-c73f-4476-b1fc-d8a821a2456e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?