./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix032.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0527f5-1f7b-4125-b706-fc17ba437f43/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0527f5-1f7b-4125-b706-fc17ba437f43/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_ac0527f5-1f7b-4125-b706-fc17ba437f43/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0527f5-1f7b-4125-b706-fc17ba437f43/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix032.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0527f5-1f7b-4125-b706-fc17ba437f43/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_ac0527f5-1f7b-4125-b706-fc17ba437f43/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 0032fd1b0879d5a3b3f4ef67d0327f489d9a349f94447e8a77b1324c1477f2bb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:11:50,845 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:11:50,972 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0527f5-1f7b-4125-b706-fc17ba437f43/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:11:50,980 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:11:50,981 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:11:51,023 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:11:51,024 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:11:51,025 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:11:51,026 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:11:51,032 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:11:51,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:11:51,034 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:11:51,035 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:11:51,037 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:11:51,037 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:11:51,038 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:11:51,038 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:11:51,039 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:11:51,039 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:11:51,040 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:11:51,040 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:11:51,041 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:11:51,041 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:11:51,042 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:11:51,043 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:11:51,043 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:11:51,044 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:11:51,044 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:11:51,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:11:51,045 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:11:51,047 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:11:51,047 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:11:51,048 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:11:51,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:11:51,048 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:11:51,048 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_ac0527f5-1f7b-4125-b706-fc17ba437f43/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0527f5-1f7b-4125-b706-fc17ba437f43/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0032fd1b0879d5a3b3f4ef67d0327f489d9a349f94447e8a77b1324c1477f2bb [2023-11-23 20:11:51,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:11:51,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:11:51,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:11:51,567 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:11:51,568 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:11:51,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0527f5-1f7b-4125-b706-fc17ba437f43/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread-wmm/mix032.opt.i [2023-11-23 20:11:54,984 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:11:55,354 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:11:55,355 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0527f5-1f7b-4125-b706-fc17ba437f43/sv-benchmarks/c/pthread-wmm/mix032.opt.i [2023-11-23 20:11:55,385 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0527f5-1f7b-4125-b706-fc17ba437f43/bin/ukojak-verify-1t5iHCbJaC/data/79da2c6d7/42a83879f679430b9f741f109bd711b4/FLAG93ec51e73 [2023-11-23 20:11:55,406 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0527f5-1f7b-4125-b706-fc17ba437f43/bin/ukojak-verify-1t5iHCbJaC/data/79da2c6d7/42a83879f679430b9f741f109bd711b4 [2023-11-23 20:11:55,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:11:55,411 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:11:55,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:11:55,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:11:55,421 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:11:55,422 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:11:55" (1/1) ... [2023-11-23 20:11:55,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7419c5b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:55, skipping insertion in model container [2023-11-23 20:11:55,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:11:55" (1/1) ... [2023-11-23 20:11:55,505 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:11:56,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:11:56,034 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:11:56,101 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:11:56,157 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:11:56,157 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:11:56,166 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:11:56,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:56 WrapperNode [2023-11-23 20:11:56,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:11:56,168 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:11:56,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:11:56,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:11:56,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:56" (1/1) ... [2023-11-23 20:11:56,211 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:56" (1/1) ... [2023-11-23 20:11:56,246 INFO L138 Inliner]: procedures = 176, calls = 63, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 101 [2023-11-23 20:11:56,247 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:11:56,247 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:11:56,248 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:11:56,248 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:11:56,259 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:56" (1/1) ... [2023-11-23 20:11:56,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:56" (1/1) ... [2023-11-23 20:11:56,264 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:56" (1/1) ... [2023-11-23 20:11:56,265 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:56" (1/1) ... [2023-11-23 20:11:56,276 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:56" (1/1) ... [2023-11-23 20:11:56,278 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:56" (1/1) ... [2023-11-23 20:11:56,281 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:56" (1/1) ... [2023-11-23 20:11:56,284 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:56" (1/1) ... [2023-11-23 20:11:56,289 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:11:56,290 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:11:56,290 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:11:56,290 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:11:56,291 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:56" (1/1) ... [2023-11-23 20:11:56,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:11:56,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0527f5-1f7b-4125-b706-fc17ba437f43/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:11:56,339 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0527f5-1f7b-4125-b706-fc17ba437f43/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:11:56,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0527f5-1f7b-4125-b706-fc17ba437f43/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:11:56,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:11:56,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:11:56,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:11:56,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:11:56,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:11:56,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:11:56,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:11:56,404 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-23 20:11:56,404 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-23 20:11:56,404 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-23 20:11:56,405 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-23 20:11:56,405 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-23 20:11:56,405 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-23 20:11:56,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:11:56,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:11:56,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:11:56,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:11:56,408 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 20:11:56,580 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:11:56,584 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:11:57,024 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:11:57,231 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 1;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 20:11:57,236 INFO L158 Benchmark]: Toolchain (without parser) took 1824.28ms. Allocated memory is still 134.2MB. Free memory was 97.6MB in the beginning and 53.9MB in the end (delta: 43.7MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2023-11-23 20:11:57,237 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 134.2MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:11:57,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 754.84ms. Allocated memory is still 134.2MB. Free memory was 97.1MB in the beginning and 92.0MB in the end (delta: 5.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 20:11:57,240 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.40ms. Allocated memory is still 134.2MB. Free memory was 92.0MB in the beginning and 89.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:11:57,241 INFO L158 Benchmark]: Boogie Preprocessor took 41.41ms. Allocated memory is still 134.2MB. Free memory was 89.4MB in the beginning and 87.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:11:57,242 INFO L158 Benchmark]: RCFGBuilder took 944.40ms. Allocated memory is still 134.2MB. Free memory was 87.4MB in the beginning and 53.9MB in the end (delta: 33.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-23 20:11:57,248 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 134.2MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 754.84ms. Allocated memory is still 134.2MB. Free memory was 97.1MB in the beginning and 92.0MB in the end (delta: 5.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.40ms. Allocated memory is still 134.2MB. Free memory was 92.0MB in the beginning and 89.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.41ms. Allocated memory is still 134.2MB. Free memory was 89.4MB in the beginning and 87.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 944.40ms. Allocated memory is still 134.2MB. Free memory was 87.4MB in the beginning and 53.9MB in the end (delta: 33.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 1;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 1;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$w_buff0_used~0 := 1;). 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:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:11:57,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0527f5-1f7b-4125-b706-fc17ba437f43/bin/ukojak-verify-1t5iHCbJaC/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0527f5-1f7b-4125-b706-fc17ba437f43/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0527f5-1f7b-4125-b706-fc17ba437f43/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_ac0527f5-1f7b-4125-b706-fc17ba437f43/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0527f5-1f7b-4125-b706-fc17ba437f43/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix032.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0527f5-1f7b-4125-b706-fc17ba437f43/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_ac0527f5-1f7b-4125-b706-fc17ba437f43/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 0032fd1b0879d5a3b3f4ef67d0327f489d9a349f94447e8a77b1324c1477f2bb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:12:00,251 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:12:00,384 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0527f5-1f7b-4125-b706-fc17ba437f43/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:12:00,437 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:12:00,438 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:12:00,439 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:12:00,440 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:12:00,441 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:12:00,442 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:12:00,447 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:12:00,447 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:12:00,448 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:12:00,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:12:00,450 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:12:00,451 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:12:00,451 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:12:00,452 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:12:00,452 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:12:00,453 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:12:00,454 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:12:00,454 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:12:00,455 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:12:00,455 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:12:00,456 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:12:00,456 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:12:00,457 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:12:00,458 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:12:00,458 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:12:00,459 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:12:00,459 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:12:00,461 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:00,461 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:12:00,462 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:12:00,462 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:12:00,463 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:12:00,463 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:12:00,464 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:12:00,464 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:12:00,465 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:12:00,466 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_ac0527f5-1f7b-4125-b706-fc17ba437f43/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0527f5-1f7b-4125-b706-fc17ba437f43/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0032fd1b0879d5a3b3f4ef67d0327f489d9a349f94447e8a77b1324c1477f2bb [2023-11-23 20:12:00,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:12:00,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:12:00,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:12:00,887 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:12:00,889 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:12:00,891 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0527f5-1f7b-4125-b706-fc17ba437f43/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread-wmm/mix032.opt.i [2023-11-23 20:12:04,072 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:12:04,430 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:12:04,431 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0527f5-1f7b-4125-b706-fc17ba437f43/sv-benchmarks/c/pthread-wmm/mix032.opt.i [2023-11-23 20:12:04,454 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0527f5-1f7b-4125-b706-fc17ba437f43/bin/ukojak-verify-1t5iHCbJaC/data/156c0acf8/ed076218f34345e8abe5d36d187d0d3d/FLAG8db258a92 [2023-11-23 20:12:04,473 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0527f5-1f7b-4125-b706-fc17ba437f43/bin/ukojak-verify-1t5iHCbJaC/data/156c0acf8/ed076218f34345e8abe5d36d187d0d3d [2023-11-23 20:12:04,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:12:04,481 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:12:04,484 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:04,485 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:12:04,490 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:12:04,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:04" (1/1) ... [2023-11-23 20:12:04,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55462293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:04, skipping insertion in model container [2023-11-23 20:12:04,492 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:04" (1/1) ... [2023-11-23 20:12:04,571 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:12:05,138 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:05,162 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:12:05,282 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:05,341 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:05,342 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:05,349 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:12:05,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:05 WrapperNode [2023-11-23 20:12:05,350 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:05,351 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:05,351 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:12:05,352 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:12:05,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:05" (1/1) ... [2023-11-23 20:12:05,408 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:05" (1/1) ... [2023-11-23 20:12:05,461 INFO L138 Inliner]: procedures = 179, calls = 63, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 102 [2023-11-23 20:12:05,473 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:05,474 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:12:05,474 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:12:05,475 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:12:05,484 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:05" (1/1) ... [2023-11-23 20:12:05,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:05" (1/1) ... [2023-11-23 20:12:05,495 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:05" (1/1) ... [2023-11-23 20:12:05,495 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:05" (1/1) ... [2023-11-23 20:12:05,526 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:05" (1/1) ... [2023-11-23 20:12:05,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:05" (1/1) ... [2023-11-23 20:12:05,538 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:05" (1/1) ... [2023-11-23 20:12:05,540 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:05" (1/1) ... [2023-11-23 20:12:05,546 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:12:05,547 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:12:05,547 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:12:05,547 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:12:05,554 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:05" (1/1) ... [2023-11-23 20:12:05,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:05,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0527f5-1f7b-4125-b706-fc17ba437f43/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:12:05,587 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0527f5-1f7b-4125-b706-fc17ba437f43/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:12:05,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0527f5-1f7b-4125-b706-fc17ba437f43/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:12:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:12:05,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:12:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:12:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:12:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:12:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:12:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:12:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:12:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-23 20:12:05,637 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-23 20:12:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-23 20:12:05,637 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-23 20:12:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-23 20:12:05,638 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-23 20:12:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:12:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:12:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:12:05,642 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 20:12:05,812 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:12:05,814 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:12:06,222 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:12:06,411 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 1bv32;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 20:12:06,418 INFO L158 Benchmark]: Toolchain (without parser) took 1936.07ms. Allocated memory is still 96.5MB. Free memory was 71.6MB in the beginning and 61.7MB in the end (delta: 9.8MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2023-11-23 20:12:06,419 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 71.3MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:12:06,420 INFO L158 Benchmark]: CACSL2BoogieTranslator took 866.17ms. Allocated memory is still 96.5MB. Free memory was 71.3MB in the beginning and 73.0MB in the end (delta: -1.7MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2023-11-23 20:12:06,420 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.41ms. Allocated memory is still 96.5MB. Free memory was 73.0MB in the beginning and 70.6MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:12:06,421 INFO L158 Benchmark]: Boogie Preprocessor took 71.60ms. Allocated memory is still 96.5MB. Free memory was 70.6MB in the beginning and 68.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:12:06,422 INFO L158 Benchmark]: RCFGBuilder took 869.67ms. Allocated memory is still 96.5MB. Free memory was 68.0MB in the beginning and 61.7MB in the end (delta: 6.3MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2023-11-23 20:12:06,426 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 71.3MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 866.17ms. Allocated memory is still 96.5MB. Free memory was 71.3MB in the beginning and 73.0MB in the end (delta: -1.7MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.41ms. Allocated memory is still 96.5MB. Free memory was 73.0MB in the beginning and 70.6MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.60ms. Allocated memory is still 96.5MB. Free memory was 70.6MB in the beginning and 68.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 869.67ms. Allocated memory is still 96.5MB. Free memory was 68.0MB in the beginning and 61.7MB in the end (delta: 6.3MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 1bv32;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 1bv32;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:12:06,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac0527f5-1f7b-4125-b706-fc17ba437f43/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 1bv32;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?