./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix043.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b5c707-59d1-41d5-b641-3edd116933c9/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b5c707-59d1-41d5-b641-3edd116933c9/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b5c707-59d1-41d5-b641-3edd116933c9/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b5c707-59d1-41d5-b641-3edd116933c9/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix043.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b5c707-59d1-41d5-b641-3edd116933c9/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b5c707-59d1-41d5-b641-3edd116933c9/bin/ukojak-verify-i0I2FZA1j2 --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 8b566ddb7b309d9ba7ea7e298fcc3be9218751e5387d333007519a12118bc5db --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:31:24,281 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:31:24,379 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b5c707-59d1-41d5-b641-3edd116933c9/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:31:24,387 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:31:24,388 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:31:24,417 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:31:24,418 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:31:24,419 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:31:24,420 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:31:24,420 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:31:24,421 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:31:24,422 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:31:24,422 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:31:24,423 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:31:24,424 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:31:24,424 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:31:24,425 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:31:24,426 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:31:24,426 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:31:24,427 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:31:24,428 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:31:24,429 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:31:24,429 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:31:24,430 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:31:24,430 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:31:24,431 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:31:24,432 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:31:24,432 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:31:24,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:24,434 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:31:24,434 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:31:24,435 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:31:24,435 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:31:24,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:31:24,436 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:31:24,437 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_40b5c707-59d1-41d5-b641-3edd116933c9/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b5c707-59d1-41d5-b641-3edd116933c9/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b566ddb7b309d9ba7ea7e298fcc3be9218751e5387d333007519a12118bc5db [2023-11-21 18:31:24,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:31:24,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:31:24,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:31:24,773 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:31:24,774 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:31:24,775 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b5c707-59d1-41d5-b641-3edd116933c9/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-wmm/mix043.opt.i [2023-11-21 18:31:28,010 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:31:28,324 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:31:28,325 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b5c707-59d1-41d5-b641-3edd116933c9/sv-benchmarks/c/pthread-wmm/mix043.opt.i [2023-11-21 18:31:28,369 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b5c707-59d1-41d5-b641-3edd116933c9/bin/ukojak-verify-i0I2FZA1j2/data/dcb876be2/2973dfcc850c4eb2ba358aad9be32d1f/FLAGc1abecf13 [2023-11-21 18:31:28,389 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b5c707-59d1-41d5-b641-3edd116933c9/bin/ukojak-verify-i0I2FZA1j2/data/dcb876be2/2973dfcc850c4eb2ba358aad9be32d1f [2023-11-21 18:31:28,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:31:28,394 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:31:28,396 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:28,396 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:31:28,401 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:31:28,402 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:28" (1/1) ... [2023-11-21 18:31:28,403 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@600d94a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:28, skipping insertion in model container [2023-11-21 18:31:28,404 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:28" (1/1) ... [2023-11-21 18:31:28,465 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:31:28,990 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:29,003 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:31:29,077 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:29,131 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:31:29,131 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:31:29,140 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:31:29,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:29 WrapperNode [2023-11-21 18:31:29,140 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:29,142 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:29,142 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:31:29,142 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:31:29,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:29" (1/1) ... [2023-11-21 18:31:29,169 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:29" (1/1) ... [2023-11-21 18:31:29,202 INFO L138 Inliner]: procedures = 177, calls = 72, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 130 [2023-11-21 18:31:29,202 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:29,203 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:31:29,204 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:31:29,204 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:31:29,215 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:29" (1/1) ... [2023-11-21 18:31:29,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:29" (1/1) ... [2023-11-21 18:31:29,222 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:29" (1/1) ... [2023-11-21 18:31:29,223 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:29" (1/1) ... [2023-11-21 18:31:29,240 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:29" (1/1) ... [2023-11-21 18:31:29,243 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:29" (1/1) ... [2023-11-21 18:31:29,262 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:29" (1/1) ... [2023-11-21 18:31:29,264 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:29" (1/1) ... [2023-11-21 18:31:29,268 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:31:29,269 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:31:29,269 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:31:29,270 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:31:29,271 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:29" (1/1) ... [2023-11-21 18:31:29,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:29,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b5c707-59d1-41d5-b641-3edd116933c9/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:31:29,316 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b5c707-59d1-41d5-b641-3edd116933c9/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:31:29,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b5c707-59d1-41d5-b641-3edd116933c9/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:31:29,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:31:29,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:31:29,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:31:29,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:31:29,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:31:29,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:31:29,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:31:29,359 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-21 18:31:29,359 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-21 18:31:29,359 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-21 18:31:29,359 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-21 18:31:29,359 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-21 18:31:29,360 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-21 18:31:29,360 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-21 18:31:29,360 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-21 18:31:29,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:31:29,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:31:29,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:31:29,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:31:29,364 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:31:29,556 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:31:29,558 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:31:29,966 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:31:30,285 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd4~0 := 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:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-21 18:31:30,290 INFO L158 Benchmark]: Toolchain (without parser) took 1895.07ms. Allocated memory is still 176.2MB. Free memory was 135.6MB in the beginning and 138.1MB in the end (delta: -2.5MB). Peak memory consumption was 69.9MB. Max. memory is 16.1GB. [2023-11-21 18:31:30,291 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:31:30,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 745.09ms. Allocated memory is still 176.2MB. Free memory was 135.6MB in the beginning and 112.0MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-21 18:31:30,293 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.87ms. Allocated memory is still 176.2MB. Free memory was 112.0MB in the beginning and 108.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:31:30,295 INFO L158 Benchmark]: Boogie Preprocessor took 65.29ms. Allocated memory is still 176.2MB. Free memory was 108.9MB in the beginning and 107.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:31:30,296 INFO L158 Benchmark]: RCFGBuilder took 1018.90ms. Allocated memory is still 176.2MB. Free memory was 107.3MB in the beginning and 138.1MB in the end (delta: -30.7MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2023-11-21 18:31:30,300 INFO L338 ainManager$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 132.1MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 745.09ms. Allocated memory is still 176.2MB. Free memory was 135.6MB in the beginning and 112.0MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.87ms. Allocated memory is still 176.2MB. Free memory was 112.0MB in the beginning and 108.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.29ms. Allocated memory is still 176.2MB. Free memory was 108.9MB in the beginning and 107.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1018.90ms. Allocated memory is still 176.2MB. Free memory was 107.3MB in the beginning and 138.1MB in the end (delta: -30.7MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd4~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd4~0 := 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:332) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:31:30,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b5c707-59d1-41d5-b641-3edd116933c9/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b5c707-59d1-41d5-b641-3edd116933c9/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b5c707-59d1-41d5-b641-3edd116933c9/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b5c707-59d1-41d5-b641-3edd116933c9/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b5c707-59d1-41d5-b641-3edd116933c9/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix043.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b5c707-59d1-41d5-b641-3edd116933c9/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b5c707-59d1-41d5-b641-3edd116933c9/bin/ukojak-verify-i0I2FZA1j2 --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 8b566ddb7b309d9ba7ea7e298fcc3be9218751e5387d333007519a12118bc5db --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:31:33,180 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:31:33,328 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b5c707-59d1-41d5-b641-3edd116933c9/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:31:33,382 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:31:33,383 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:31:33,384 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:31:33,385 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:31:33,386 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:31:33,387 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:31:33,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:31:33,393 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:31:33,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:31:33,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:31:33,396 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:31:33,397 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:31:33,397 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:31:33,398 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:31:33,398 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:31:33,398 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:31:33,400 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:31:33,400 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:31:33,401 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:31:33,401 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:31:33,402 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:31:33,402 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:31:33,403 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:31:33,403 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:31:33,404 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:31:33,404 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:31:33,404 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:31:33,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:33,406 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:31:33,407 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:31:33,407 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:31:33,408 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:31:33,408 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:31:33,408 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:31:33,409 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:31:33,409 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:31:33,410 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_40b5c707-59d1-41d5-b641-3edd116933c9/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b5c707-59d1-41d5-b641-3edd116933c9/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b566ddb7b309d9ba7ea7e298fcc3be9218751e5387d333007519a12118bc5db [2023-11-21 18:31:33,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:31:33,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:31:33,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:31:33,901 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:31:33,902 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:31:33,904 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b5c707-59d1-41d5-b641-3edd116933c9/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-wmm/mix043.opt.i [2023-11-21 18:31:36,995 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:31:37,383 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:31:37,384 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b5c707-59d1-41d5-b641-3edd116933c9/sv-benchmarks/c/pthread-wmm/mix043.opt.i [2023-11-21 18:31:37,412 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b5c707-59d1-41d5-b641-3edd116933c9/bin/ukojak-verify-i0I2FZA1j2/data/454e7dab8/fdbb5cfbe8ff4c76bb676f4f896dd815/FLAGf6c188f77 [2023-11-21 18:31:37,425 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b5c707-59d1-41d5-b641-3edd116933c9/bin/ukojak-verify-i0I2FZA1j2/data/454e7dab8/fdbb5cfbe8ff4c76bb676f4f896dd815 [2023-11-21 18:31:37,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:31:37,429 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:31:37,430 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:37,431 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:31:37,435 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:31:37,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:37" (1/1) ... [2023-11-21 18:31:37,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54238e43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:37, skipping insertion in model container [2023-11-21 18:31:37,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:37" (1/1) ... [2023-11-21 18:31:37,497 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:31:38,064 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:38,096 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:31:38,212 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:38,272 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:31:38,272 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:31:38,280 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:31:38,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:38 WrapperNode [2023-11-21 18:31:38,281 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:38,282 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:38,282 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:31:38,283 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:31:38,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:38" (1/1) ... [2023-11-21 18:31:38,327 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:38" (1/1) ... [2023-11-21 18:31:38,375 INFO L138 Inliner]: procedures = 180, calls = 72, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 131 [2023-11-21 18:31:38,376 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:38,376 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:31:38,376 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:31:38,377 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:31:38,393 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:38" (1/1) ... [2023-11-21 18:31:38,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:38" (1/1) ... [2023-11-21 18:31:38,409 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:38" (1/1) ... [2023-11-21 18:31:38,410 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:38" (1/1) ... [2023-11-21 18:31:38,423 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:38" (1/1) ... [2023-11-21 18:31:38,439 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:38" (1/1) ... [2023-11-21 18:31:38,443 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:38" (1/1) ... [2023-11-21 18:31:38,445 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:38" (1/1) ... [2023-11-21 18:31:38,451 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:31:38,452 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:31:38,452 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:31:38,452 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:31:38,453 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:38" (1/1) ... [2023-11-21 18:31:38,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:38,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b5c707-59d1-41d5-b641-3edd116933c9/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:31:38,520 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b5c707-59d1-41d5-b641-3edd116933c9/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:31:38,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b5c707-59d1-41d5-b641-3edd116933c9/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:31:38,565 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:31:38,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:31:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:31:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:31:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:31:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:31:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:31:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:31:38,567 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-21 18:31:38,567 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-21 18:31:38,567 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-21 18:31:38,567 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-21 18:31:38,567 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-21 18:31:38,567 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-21 18:31:38,569 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-21 18:31:38,570 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-21 18:31:38,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:31:38,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:31:38,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:31:38,572 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:31:38,825 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:31:38,827 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:31:39,288 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:31:39,558 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd4~0 := 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:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-21 18:31:39,565 INFO L158 Benchmark]: Toolchain (without parser) took 2135.27ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 51.6MB in the beginning and 54.0MB in the end (delta: -2.4MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2023-11-21 18:31:39,567 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 56.6MB. Free memory was 32.2MB in the beginning and 32.1MB in the end (delta: 50.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:31:39,568 INFO L158 Benchmark]: CACSL2BoogieTranslator took 850.84ms. Allocated memory is still 77.6MB. Free memory was 51.4MB in the beginning and 45.6MB in the end (delta: 5.8MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2023-11-21 18:31:39,569 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.70ms. Allocated memory is still 77.6MB. Free memory was 45.3MB in the beginning and 42.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:31:39,570 INFO L158 Benchmark]: Boogie Preprocessor took 74.59ms. Allocated memory is still 77.6MB. Free memory was 42.6MB in the beginning and 40.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:31:39,571 INFO L158 Benchmark]: RCFGBuilder took 1111.55ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 40.3MB in the beginning and 54.0MB in the end (delta: -13.7MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2023-11-21 18:31:39,580 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 56.6MB. Free memory was 32.2MB in the beginning and 32.1MB in the end (delta: 50.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 850.84ms. Allocated memory is still 77.6MB. Free memory was 51.4MB in the beginning and 45.6MB in the end (delta: 5.8MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.70ms. Allocated memory is still 77.6MB. Free memory was 45.3MB in the beginning and 42.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.59ms. Allocated memory is still 77.6MB. Free memory was 42.6MB in the beginning and 40.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1111.55ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 40.3MB in the beginning and 54.0MB in the end (delta: -13.7MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd4~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd4~0 := 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:332) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:31:39,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40b5c707-59d1-41d5-b641-3edd116933c9/bin/ukojak-verify-i0I2FZA1j2/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd4~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?