./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix007.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_d4429dd9-864d-4972-a331-76237a75a00a/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4429dd9-864d-4972-a331-76237a75a00a/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_d4429dd9-864d-4972-a331-76237a75a00a/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4429dd9-864d-4972-a331-76237a75a00a/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix007.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4429dd9-864d-4972-a331-76237a75a00a/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_d4429dd9-864d-4972-a331-76237a75a00a/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 98fb631b7747d0724c093b074b80cf02851c21b4b9e1af2c5f1e3d032d6b592f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:17:12,183 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:17:12,310 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4429dd9-864d-4972-a331-76237a75a00a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:17:12,320 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:17:12,321 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:17:12,358 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:17:12,360 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:17:12,361 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:17:12,362 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:17:12,367 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:17:12,368 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:17:12,369 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:17:12,369 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:17:12,371 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:17:12,372 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:17:12,372 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:17:12,372 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:17:12,373 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:17:12,373 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:17:12,374 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:17:12,374 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:17:12,375 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:17:12,375 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:17:12,375 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:17:12,376 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:17:12,377 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:17:12,377 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:17:12,378 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:17:12,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:17:12,379 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:17:12,380 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:17:12,380 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:17:12,381 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:17:12,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:17:12,381 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:17:12,381 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_d4429dd9-864d-4972-a331-76237a75a00a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4429dd9-864d-4972-a331-76237a75a00a/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98fb631b7747d0724c093b074b80cf02851c21b4b9e1af2c5f1e3d032d6b592f [2023-11-23 20:17:12,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:17:12,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:17:12,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:17:12,736 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:17:12,736 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:17:12,738 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4429dd9-864d-4972-a331-76237a75a00a/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread-wmm/mix007.opt.i [2023-11-23 20:17:15,811 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:17:16,167 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:17:16,167 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4429dd9-864d-4972-a331-76237a75a00a/sv-benchmarks/c/pthread-wmm/mix007.opt.i [2023-11-23 20:17:16,193 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4429dd9-864d-4972-a331-76237a75a00a/bin/ukojak-verify-1t5iHCbJaC/data/01ef44279/f65f1da975e94afebe5b453eb5434abb/FLAG4f2b92168 [2023-11-23 20:17:16,207 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4429dd9-864d-4972-a331-76237a75a00a/bin/ukojak-verify-1t5iHCbJaC/data/01ef44279/f65f1da975e94afebe5b453eb5434abb [2023-11-23 20:17:16,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:17:16,211 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:17:16,212 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:17:16,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:17:16,218 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:17:16,219 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:17:16" (1/1) ... [2023-11-23 20:17:16,220 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@655f476e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:16, skipping insertion in model container [2023-11-23 20:17:16,221 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:17:16" (1/1) ... [2023-11-23 20:17:16,280 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:17:16,809 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:17:16,833 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:17:16,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:17:16,994 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:17:16,994 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:17:17,003 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:17:17,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:17 WrapperNode [2023-11-23 20:17:17,004 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:17:17,005 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:17:17,005 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:17:17,006 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:17:17,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:17" (1/1) ... [2023-11-23 20:17:17,064 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:17" (1/1) ... [2023-11-23 20:17:17,123 INFO L138 Inliner]: procedures = 177, calls = 72, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 113 [2023-11-23 20:17:17,123 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:17:17,125 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:17:17,126 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:17:17,126 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:17:17,138 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:17" (1/1) ... [2023-11-23 20:17:17,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:17" (1/1) ... [2023-11-23 20:17:17,162 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:17" (1/1) ... [2023-11-23 20:17:17,162 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:17" (1/1) ... [2023-11-23 20:17:17,173 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:17" (1/1) ... [2023-11-23 20:17:17,198 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:17" (1/1) ... [2023-11-23 20:17:17,200 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:17" (1/1) ... [2023-11-23 20:17:17,203 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:17" (1/1) ... [2023-11-23 20:17:17,207 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:17:17,217 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:17:17,217 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:17:17,218 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:17:17,219 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:17" (1/1) ... [2023-11-23 20:17:17,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:17:17,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4429dd9-864d-4972-a331-76237a75a00a/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:17:17,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4429dd9-864d-4972-a331-76237a75a00a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:17:17,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4429dd9-864d-4972-a331-76237a75a00a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:17:17,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:17:17,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:17:17,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:17:17,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:17:17,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:17:17,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:17:17,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:17:17,319 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-23 20:17:17,319 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-23 20:17:17,319 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-23 20:17:17,320 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-23 20:17:17,320 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-23 20:17:17,320 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-23 20:17:17,320 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-23 20:17:17,320 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-23 20:17:17,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:17:17,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:17:17,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:17:17,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:17:17,324 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 20:17:17,556 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:17:17,559 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:17:18,118 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:17:18,279 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 20:17:18,289 INFO L158 Benchmark]: Toolchain (without parser) took 2077.51ms. Allocated memory is still 161.5MB. Free memory was 126.9MB in the beginning and 106.2MB in the end (delta: 20.7MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2023-11-23 20:17:18,290 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 71.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:17:18,290 INFO L158 Benchmark]: CACSL2BoogieTranslator took 792.05ms. Allocated memory is still 161.5MB. Free memory was 126.6MB in the beginning and 102.3MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-23 20:17:18,291 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.08ms. Allocated memory is still 161.5MB. Free memory was 102.3MB in the beginning and 99.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:17:18,292 INFO L158 Benchmark]: Boogie Preprocessor took 91.09ms. Allocated memory is still 161.5MB. Free memory was 99.8MB in the beginning and 97.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:17:18,293 INFO L158 Benchmark]: RCFGBuilder took 1070.15ms. Allocated memory is still 161.5MB. Free memory was 97.4MB in the beginning and 106.2MB in the end (delta: -8.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-23 20:17:18,296 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 71.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 792.05ms. Allocated memory is still 161.5MB. Free memory was 126.6MB in the beginning and 102.3MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.08ms. Allocated memory is still 161.5MB. Free memory was 102.3MB in the beginning and 99.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.09ms. Allocated memory is still 161.5MB. Free memory was 99.8MB in the beginning and 97.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1070.15ms. Allocated memory is still 161.5MB. Free memory was 97.4MB in the beginning and 106.2MB in the end (delta: -8.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$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 20:17:18,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4429dd9-864d-4972-a331-76237a75a00a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4429dd9-864d-4972-a331-76237a75a00a/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4429dd9-864d-4972-a331-76237a75a00a/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_d4429dd9-864d-4972-a331-76237a75a00a/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4429dd9-864d-4972-a331-76237a75a00a/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix007.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4429dd9-864d-4972-a331-76237a75a00a/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_d4429dd9-864d-4972-a331-76237a75a00a/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 98fb631b7747d0724c093b074b80cf02851c21b4b9e1af2c5f1e3d032d6b592f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:17:21,069 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:17:21,197 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4429dd9-864d-4972-a331-76237a75a00a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:17:21,263 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:17:21,264 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:17:21,265 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:17:21,266 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:17:21,267 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:17:21,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:17:21,273 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:17:21,273 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:17:21,274 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:17:21,274 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:17:21,276 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:17:21,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:17:21,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:17:21,278 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:17:21,278 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:17:21,278 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:17:21,279 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:17:21,279 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:17:21,280 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:17:21,280 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:17:21,281 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:17:21,281 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:17:21,282 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:17:21,282 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:17:21,282 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:17:21,283 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:17:21,283 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:17:21,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:17:21,285 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:17:21,285 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:17:21,285 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:17:21,286 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:17:21,286 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:17:21,286 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:17:21,286 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:17:21,287 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:17:21,288 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_d4429dd9-864d-4972-a331-76237a75a00a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4429dd9-864d-4972-a331-76237a75a00a/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98fb631b7747d0724c093b074b80cf02851c21b4b9e1af2c5f1e3d032d6b592f [2023-11-23 20:17:21,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:17:21,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:17:21,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:17:21,792 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:17:21,794 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:17:21,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4429dd9-864d-4972-a331-76237a75a00a/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread-wmm/mix007.opt.i [2023-11-23 20:17:25,228 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:17:25,602 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:17:25,603 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4429dd9-864d-4972-a331-76237a75a00a/sv-benchmarks/c/pthread-wmm/mix007.opt.i [2023-11-23 20:17:25,626 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4429dd9-864d-4972-a331-76237a75a00a/bin/ukojak-verify-1t5iHCbJaC/data/b7d60b574/785831055e874ac5a039fd3d2a3a91b4/FLAGa62afba7d [2023-11-23 20:17:25,643 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4429dd9-864d-4972-a331-76237a75a00a/bin/ukojak-verify-1t5iHCbJaC/data/b7d60b574/785831055e874ac5a039fd3d2a3a91b4 [2023-11-23 20:17:25,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:17:25,648 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:17:25,649 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:17:25,650 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:17:25,661 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:17:25,663 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:17:25" (1/1) ... [2023-11-23 20:17:25,664 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19286c02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:25, skipping insertion in model container [2023-11-23 20:17:25,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:17:25" (1/1) ... [2023-11-23 20:17:25,753 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:17:26,309 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:17:26,359 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:17:26,495 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:17:26,544 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:17:26,545 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:17:26,554 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:17:26,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26 WrapperNode [2023-11-23 20:17:26,555 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:17:26,556 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:17:26,556 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:17:26,556 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:17:26,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,600 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,650 INFO L138 Inliner]: procedures = 180, calls = 72, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 114 [2023-11-23 20:17:26,651 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:17:26,652 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:17:26,652 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:17:26,652 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:17:26,664 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,670 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,671 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,693 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,696 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,701 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,704 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,711 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:17:26,713 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:17:26,713 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:17:26,713 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:17:26,714 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:26" (1/1) ... [2023-11-23 20:17:26,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:17:26,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4429dd9-864d-4972-a331-76237a75a00a/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:17:26,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4429dd9-864d-4972-a331-76237a75a00a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:17:26,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4429dd9-864d-4972-a331-76237a75a00a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:17:26,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:17:26,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:17:26,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:17:26,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:17:26,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:17:26,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:17:26,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:17:26,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:17:26,830 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-23 20:17:26,830 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-23 20:17:26,831 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-23 20:17:26,831 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-23 20:17:26,831 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-23 20:17:26,831 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-23 20:17:26,831 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-23 20:17:26,831 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-23 20:17:26,832 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:17:26,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:17:26,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:17:26,834 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 20:17:27,073 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:17:27,076 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:17:27,646 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:17:27,948 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 20:17:27,956 INFO L158 Benchmark]: Toolchain (without parser) took 2304.74ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 54.6MB in the beginning and 55.4MB in the end (delta: -799.2kB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2023-11-23 20:17:27,958 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 60.8MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 55.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:17:27,958 INFO L158 Benchmark]: CACSL2BoogieTranslator took 905.89ms. Allocated memory is still 79.7MB. Free memory was 54.4MB in the beginning and 47.7MB in the end (delta: 6.8MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2023-11-23 20:17:27,959 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.90ms. Allocated memory is still 79.7MB. Free memory was 47.7MB in the beginning and 45.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:17:27,960 INFO L158 Benchmark]: Boogie Preprocessor took 60.10ms. Allocated memory is still 79.7MB. Free memory was 45.0MB in the beginning and 42.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:17:27,962 INFO L158 Benchmark]: RCFGBuilder took 1238.92ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 42.5MB in the beginning and 55.4MB in the end (delta: -12.9MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2023-11-23 20:17:27,970 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 60.8MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 55.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 905.89ms. Allocated memory is still 79.7MB. Free memory was 54.4MB in the beginning and 47.7MB in the end (delta: 6.8MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.90ms. Allocated memory is still 79.7MB. Free memory was 47.7MB in the beginning and 45.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.10ms. Allocated memory is still 79.7MB. Free memory was 45.0MB in the beginning and 42.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1238.92ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 42.5MB in the beginning and 55.4MB in the end (delta: -12.9MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$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$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:17:28,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4429dd9-864d-4972-a331-76237a75a00a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$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?