./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix002.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b14d495-a6cf-47c4-967b-456399b97d15/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b14d495-a6cf-47c4-967b-456399b97d15/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b14d495-a6cf-47c4-967b-456399b97d15/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b14d495-a6cf-47c4-967b-456399b97d15/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix002.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b14d495-a6cf-47c4-967b-456399b97d15/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b14d495-a6cf-47c4-967b-456399b97d15/bin/ukojak-verify-ENZ3QT5qd3 --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 dab8e857d69436654e6c7f0511b4cf3ecd6cd037fe32ed910d6d601721dfd494 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:07:46,297 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:07:46,377 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b14d495-a6cf-47c4-967b-456399b97d15/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-24 18:07:46,385 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:07:46,385 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:07:46,421 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:07:46,424 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:07:46,424 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:07:46,425 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:07:46,425 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:07:46,426 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:07:46,426 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:07:46,426 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:07:46,426 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:07:46,426 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:07:46,426 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:07:46,426 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:07:46,426 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:07:46,427 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:07:46,427 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:07:46,427 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:07:46,427 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:07:46,427 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:07:46,427 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:07:46,427 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:07:46,427 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:07:46,427 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:07:46,428 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:07:46,428 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:07:46,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:07:46,428 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:07:46,428 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:07:46,428 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:07:46,428 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:07:46,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:07:46,428 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_0b14d495-a6cf-47c4-967b-456399b97d15/bin/ukojak-verify-ENZ3QT5qd3 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 -> dab8e857d69436654e6c7f0511b4cf3ecd6cd037fe32ed910d6d601721dfd494 [2024-11-24 18:07:46,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:07:46,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:07:46,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:07:46,787 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:07:46,787 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:07:46,790 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b14d495-a6cf-47c4-967b-456399b97d15/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/pthread-wmm/mix002.opt.i [2024-11-24 18:07:50,027 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b14d495-a6cf-47c4-967b-456399b97d15/bin/ukojak-verify-ENZ3QT5qd3/data/aa6be2a01/c286a555ef0b42b79338fe861de6c2c4/FLAGeda5d7089 [2024-11-24 18:07:50,504 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:07:50,508 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b14d495-a6cf-47c4-967b-456399b97d15/sv-benchmarks/c/pthread-wmm/mix002.opt.i [2024-11-24 18:07:50,531 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b14d495-a6cf-47c4-967b-456399b97d15/bin/ukojak-verify-ENZ3QT5qd3/data/aa6be2a01/c286a555ef0b42b79338fe861de6c2c4/FLAGeda5d7089 [2024-11-24 18:07:50,555 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b14d495-a6cf-47c4-967b-456399b97d15/bin/ukojak-verify-ENZ3QT5qd3/data/aa6be2a01/c286a555ef0b42b79338fe861de6c2c4 [2024-11-24 18:07:50,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:07:50,560 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:07:50,563 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:07:50,563 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:07:50,568 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:07:50,569 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:07:50" (1/1) ... [2024-11-24 18:07:50,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e345d86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:07:50, skipping insertion in model container [2024-11-24 18:07:50,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:07:50" (1/1) ... [2024-11-24 18:07:50,627 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:07:51,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:07:51,102 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:07:51,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:07:51,220 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:07:51,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:07:51 WrapperNode [2024-11-24 18:07:51,221 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:07:51,222 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:07:51,222 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:07:51,223 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:07:51,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:07:51" (1/1) ... [2024-11-24 18:07:51,248 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:07:51" (1/1) ... [2024-11-24 18:07:51,277 INFO L138 Inliner]: procedures = 175, calls = 51, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 88 [2024-11-24 18:07:51,277 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:07:51,278 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:07:51,278 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:07:51,278 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:07:51,286 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:07:51" (1/1) ... [2024-11-24 18:07:51,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:07:51" (1/1) ... [2024-11-24 18:07:51,290 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:07:51" (1/1) ... [2024-11-24 18:07:51,290 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:07:51" (1/1) ... [2024-11-24 18:07:51,299 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:07:51" (1/1) ... [2024-11-24 18:07:51,300 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:07:51" (1/1) ... [2024-11-24 18:07:51,302 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:07:51" (1/1) ... [2024-11-24 18:07:51,305 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:07:51" (1/1) ... [2024-11-24 18:07:51,306 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:07:51" (1/1) ... [2024-11-24 18:07:51,309 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:07:51,310 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:07:51,310 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:07:51,310 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:07:51,315 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:07:51" (1/1) ... [2024-11-24 18:07:51,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:07:51,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b14d495-a6cf-47c4-967b-456399b97d15/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:07:51,365 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b14d495-a6cf-47c4-967b-456399b97d15/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:07:51,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b14d495-a6cf-47c4-967b-456399b97d15/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:07:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-24 18:07:51,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-24 18:07:51,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-24 18:07:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:07:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-24 18:07:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-24 18:07:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-24 18:07:51,404 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-24 18:07:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-24 18:07:51,405 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-24 18:07:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:07:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-24 18:07:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:07:51,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:07:51,407 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-24 18:07:51,557 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:07:51,559 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:07:52,029 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-24 18:07:52,033 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:07:52,343 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 := (if 0 == ~z$w_buff0_used~0 % 256 then 0 else 1);~z$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.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-24 18:07:52,351 INFO L158 Benchmark]: Toolchain (without parser) took 1790.67ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 70.9MB in the end (delta: 21.1MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2024-11-24 18:07:52,354 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:07:52,355 INFO L158 Benchmark]: CACSL2BoogieTranslator took 658.79ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 67.8MB in the end (delta: 23.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:07:52,355 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.30ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 65.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:07:52,355 INFO L158 Benchmark]: Boogie Preprocessor took 31.59ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 64.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:07:52,356 INFO L158 Benchmark]: RCFGBuilder took 1038.00ms. Allocated memory is still 117.4MB. Free memory was 64.1MB in the beginning and 70.9MB in the end (delta: -6.8MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-11-24 18:07:52,358 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 658.79ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 67.8MB in the end (delta: 23.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.30ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 65.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.59ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 64.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1038.00ms. Allocated memory is still 117.4MB. Free memory was 64.1MB in the beginning and 70.9MB in the end (delta: -6.8MB). Peak memory consumption was 41.0MB. 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 := (if 0 == ~z$w_buff0_used~0 % 256 then 0 else 1);~z$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 := (if 0 == ~z$w_buff0_used~0 % 256 then 0 else 1);~z$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.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-24 18:07:52,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b14d495-a6cf-47c4-967b-456399b97d15/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b14d495-a6cf-47c4-967b-456399b97d15/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b14d495-a6cf-47c4-967b-456399b97d15/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b14d495-a6cf-47c4-967b-456399b97d15/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b14d495-a6cf-47c4-967b-456399b97d15/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix002.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b14d495-a6cf-47c4-967b-456399b97d15/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b14d495-a6cf-47c4-967b-456399b97d15/bin/ukojak-verify-ENZ3QT5qd3 --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 dab8e857d69436654e6c7f0511b4cf3ecd6cd037fe32ed910d6d601721dfd494 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:07:55,073 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:07:55,197 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b14d495-a6cf-47c4-967b-456399b97d15/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-24 18:07:55,225 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:07:55,226 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:07:55,226 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:07:55,227 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:07:55,227 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:07:55,227 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:07:55,227 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:07:55,227 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:07:55,227 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:07:55,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:07:55,227 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:07:55,228 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:07:55,228 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:07:55,228 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 18:07:55,228 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 18:07:55,228 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:07:55,228 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 18:07:55,228 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:07:55,228 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:07:55,228 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:07:55,228 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:07:55,229 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:07:55,229 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:07:55,229 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:07:55,229 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:07:55,229 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:07:55,229 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-24 18:07:55,229 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:07:55,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:07:55,230 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:07:55,230 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:07:55,230 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:07:55,230 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-24 18:07:55,230 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:07:55,230 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-24 18:07:55,230 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_0b14d495-a6cf-47c4-967b-456399b97d15/bin/ukojak-verify-ENZ3QT5qd3 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 -> dab8e857d69436654e6c7f0511b4cf3ecd6cd037fe32ed910d6d601721dfd494 [2024-11-24 18:07:55,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:07:55,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:07:55,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:07:55,756 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:07:55,756 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:07:55,758 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b14d495-a6cf-47c4-967b-456399b97d15/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/pthread-wmm/mix002.opt.i [2024-11-24 18:07:58,894 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b14d495-a6cf-47c4-967b-456399b97d15/bin/ukojak-verify-ENZ3QT5qd3/data/5c228adfb/76e9dbcd69034f2c9c8c0812723a64f5/FLAGbac8b83b1 [2024-11-24 18:07:59,227 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:07:59,228 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b14d495-a6cf-47c4-967b-456399b97d15/sv-benchmarks/c/pthread-wmm/mix002.opt.i [2024-11-24 18:07:59,252 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b14d495-a6cf-47c4-967b-456399b97d15/bin/ukojak-verify-ENZ3QT5qd3/data/5c228adfb/76e9dbcd69034f2c9c8c0812723a64f5/FLAGbac8b83b1 [2024-11-24 18:07:59,278 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b14d495-a6cf-47c4-967b-456399b97d15/bin/ukojak-verify-ENZ3QT5qd3/data/5c228adfb/76e9dbcd69034f2c9c8c0812723a64f5 [2024-11-24 18:07:59,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:07:59,282 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:07:59,283 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:07:59,283 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:07:59,294 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:07:59,294 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:07:59" (1/1) ... [2024-11-24 18:07:59,295 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bba1f94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:07:59, skipping insertion in model container [2024-11-24 18:07:59,295 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:07:59" (1/1) ... [2024-11-24 18:07:59,350 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:07:59,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:07:59,817 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:07:59,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:07:59,988 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:07:59,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:07:59 WrapperNode [2024-11-24 18:07:59,990 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:07:59,991 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:07:59,991 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:07:59,991 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:08:00,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:07:59" (1/1) ... [2024-11-24 18:08:00,033 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:07:59" (1/1) ... [2024-11-24 18:08:00,072 INFO L138 Inliner]: procedures = 176, calls = 51, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 89 [2024-11-24 18:08:00,072 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:08:00,073 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:08:00,073 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:08:00,073 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:08:00,081 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:07:59" (1/1) ... [2024-11-24 18:08:00,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:07:59" (1/1) ... [2024-11-24 18:08:00,087 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:07:59" (1/1) ... [2024-11-24 18:08:00,090 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:07:59" (1/1) ... [2024-11-24 18:08:00,114 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:07:59" (1/1) ... [2024-11-24 18:08:00,120 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:07:59" (1/1) ... [2024-11-24 18:08:00,122 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:07:59" (1/1) ... [2024-11-24 18:08:00,128 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:07:59" (1/1) ... [2024-11-24 18:08:00,131 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:07:59" (1/1) ... [2024-11-24 18:08:00,139 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:08:00,143 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:08:00,143 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:08:00,144 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:08:00,145 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:07:59" (1/1) ... [2024-11-24 18:08:00,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:08:00,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b14d495-a6cf-47c4-967b-456399b97d15/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:08:00,190 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b14d495-a6cf-47c4-967b-456399b97d15/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:08:00,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b14d495-a6cf-47c4-967b-456399b97d15/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:08:00,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-24 18:08:00,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-24 18:08:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-24 18:08:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:08:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-24 18:08:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-24 18:08:00,228 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-24 18:08:00,228 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-24 18:08:00,230 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-24 18:08:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-24 18:08:00,230 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-24 18:08:00,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-24 18:08:00,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:08:00,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:08:00,232 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-24 18:08:00,443 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:08:00,445 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:08:00,930 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-24 18:08:00,930 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:08:01,258 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 := (if 0bv8 == ~z$w_buff0_used~0 then 0bv8 else 1bv8);~z$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.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-24 18:08:01,266 INFO L158 Benchmark]: Toolchain (without parser) took 1983.50ms. Allocated memory is still 83.9MB. Free memory was 58.8MB in the beginning and 43.9MB in the end (delta: 14.9MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2024-11-24 18:08:01,266 INFO L158 Benchmark]: CDTParser took 2.30ms. Allocated memory is still 83.9MB. Free memory was 64.2MB in the beginning and 64.2MB in the end (delta: 35.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:08:01,267 INFO L158 Benchmark]: CACSL2BoogieTranslator took 707.15ms. Allocated memory is still 83.9MB. Free memory was 58.8MB in the beginning and 34.3MB in the end (delta: 24.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:08:01,267 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.66ms. Allocated memory is still 83.9MB. Free memory was 34.3MB in the beginning and 32.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:08:01,267 INFO L158 Benchmark]: Boogie Preprocessor took 69.63ms. Allocated memory is still 83.9MB. Free memory was 32.4MB in the beginning and 30.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:08:01,268 INFO L158 Benchmark]: RCFGBuilder took 1120.89ms. Allocated memory is still 83.9MB. Free memory was 30.3MB in the beginning and 43.9MB in the end (delta: -13.6MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2024-11-24 18:08:01,273 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.30ms. Allocated memory is still 83.9MB. Free memory was 64.2MB in the beginning and 64.2MB in the end (delta: 35.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 707.15ms. Allocated memory is still 83.9MB. Free memory was 58.8MB in the beginning and 34.3MB in the end (delta: 24.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.66ms. Allocated memory is still 83.9MB. Free memory was 34.3MB in the beginning and 32.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 69.63ms. Allocated memory is still 83.9MB. Free memory was 32.4MB in the beginning and 30.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1120.89ms. Allocated memory is still 83.9MB. Free memory was 30.3MB in the beginning and 43.9MB in the end (delta: -13.6MB). Peak memory consumption was 28.8MB. 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 := (if 0bv8 == ~z$w_buff0_used~0 then 0bv8 else 1bv8);~z$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 := (if 0bv8 == ~z$w_buff0_used~0 then 0bv8 else 1bv8);~z$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.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-24 18:08:01,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b14d495-a6cf-47c4-967b-456399b97d15/bin/ukojak-verify-ENZ3QT5qd3/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 start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 1bv32;~z$w_buff1_used~0 := (if 0bv8 == ~z$w_buff0_used~0 then 0bv8 else 1bv8);~z$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?