./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe027_power.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_b7a5fd0f-81cd-4e75-8140-cd6db144a60f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a5fd0f-81cd-4e75-8140-cd6db144a60f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a5fd0f-81cd-4e75-8140-cd6db144a60f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a5fd0f-81cd-4e75-8140-cd6db144a60f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe027_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a5fd0f-81cd-4e75-8140-cd6db144a60f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a5fd0f-81cd-4e75-8140-cd6db144a60f/bin/ukojak-verify-CZk0znPC7b --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 3edc5a2d9ce2881b3565fd36253c94b9cf356a0dafd043fa3f9d27823541c09b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:12:51,656 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:12:51,708 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a5fd0f-81cd-4e75-8140-cd6db144a60f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 05:12:51,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:12:51,712 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:12:51,730 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:12:51,731 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:12:51,731 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:12:51,731 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:12:51,731 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:12:51,731 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:12:51,732 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:12:51,732 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:12:51,732 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:12:51,732 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:12:51,732 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:12:51,732 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:12:51,732 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:12:51,732 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:12:51,732 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:12:51,732 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:12:51,732 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:12:51,732 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:12:51,732 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:12:51,732 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:12:51,733 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:12:51,733 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:12:51,733 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:12:51,733 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:12:51,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:12:51,733 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:12:51,733 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:12:51,733 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:12:51,733 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:12:51,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:12:51,733 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_b7a5fd0f-81cd-4e75-8140-cd6db144a60f/bin/ukojak-verify-CZk0znPC7b 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 -> 3edc5a2d9ce2881b3565fd36253c94b9cf356a0dafd043fa3f9d27823541c09b [2024-12-06 05:12:51,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:12:51,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:12:51,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:12:51,983 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:12:51,983 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:12:51,984 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a5fd0f-81cd-4e75-8140-cd6db144a60f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-wmm/safe027_power.opt.i [2024-12-06 05:12:54,645 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a5fd0f-81cd-4e75-8140-cd6db144a60f/bin/ukojak-verify-CZk0znPC7b/data/0586f670f/94520e04b7dd43aba2c93dbc676a5bb7/FLAG5666a5fd6 [2024-12-06 05:12:54,921 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:12:54,922 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a5fd0f-81cd-4e75-8140-cd6db144a60f/sv-benchmarks/c/pthread-wmm/safe027_power.opt.i [2024-12-06 05:12:54,934 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a5fd0f-81cd-4e75-8140-cd6db144a60f/bin/ukojak-verify-CZk0znPC7b/data/0586f670f/94520e04b7dd43aba2c93dbc676a5bb7/FLAG5666a5fd6 [2024-12-06 05:12:54,946 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a5fd0f-81cd-4e75-8140-cd6db144a60f/bin/ukojak-verify-CZk0znPC7b/data/0586f670f/94520e04b7dd43aba2c93dbc676a5bb7 [2024-12-06 05:12:54,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:12:54,949 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:12:54,951 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:12:54,951 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:12:54,954 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:12:54,955 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:12:54" (1/1) ... [2024-12-06 05:12:54,955 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2520f96b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:54, skipping insertion in model container [2024-12-06 05:12:54,955 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:12:54" (1/1) ... [2024-12-06 05:12:54,985 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:12:55,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:12:55,305 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:12:55,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:12:55,394 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:12:55,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:55 WrapperNode [2024-12-06 05:12:55,394 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:12:55,395 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:12:55,395 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:12:55,395 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:12:55,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:55" (1/1) ... [2024-12-06 05:12:55,412 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:55" (1/1) ... [2024-12-06 05:12:55,430 INFO L138 Inliner]: procedures = 176, calls = 73, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 139 [2024-12-06 05:12:55,430 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:12:55,431 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:12:55,431 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:12:55,431 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:12:55,436 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:55" (1/1) ... [2024-12-06 05:12:55,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:55" (1/1) ... [2024-12-06 05:12:55,441 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:55" (1/1) ... [2024-12-06 05:12:55,441 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:55" (1/1) ... [2024-12-06 05:12:55,452 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:55" (1/1) ... [2024-12-06 05:12:55,453 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:55" (1/1) ... [2024-12-06 05:12:55,456 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:55" (1/1) ... [2024-12-06 05:12:55,459 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:55" (1/1) ... [2024-12-06 05:12:55,460 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:55" (1/1) ... [2024-12-06 05:12:55,464 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:12:55,465 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:12:55,465 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:12:55,465 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:12:55,466 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:12:55" (1/1) ... [2024-12-06 05:12:55,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:12:55,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a5fd0f-81cd-4e75-8140-cd6db144a60f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:12:55,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a5fd0f-81cd-4e75-8140-cd6db144a60f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:12:55,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a5fd0f-81cd-4e75-8140-cd6db144a60f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:12:55,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 05:12:55,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 05:12:55,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 05:12:55,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 05:12:55,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 05:12:55,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:12:55,515 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-06 05:12:55,515 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-06 05:12:55,515 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-06 05:12:55,515 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-06 05:12:55,516 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-06 05:12:55,516 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-06 05:12:55,516 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-12-06 05:12:55,516 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-12-06 05:12:55,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:12:55,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 05:12:55,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:12:55,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:12:55,517 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-06 05:12:55,649 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:12:55,651 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:12:56,100 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 05:12:56,100 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:12:56,484 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: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 1;~x$w_buff1_used~0 := (if 0 == ~x$w_buff0_used~0 % 256 then 0 else 1);~x$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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 05:12:56,489 INFO L158 Benchmark]: Toolchain (without parser) took 1539.29ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 62.0MB in the end (delta: 29.3MB). Peak memory consumption was 70.5MB. Max. memory is 16.1GB. [2024-12-06 05:12:56,490 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:12:56,490 INFO L158 Benchmark]: CACSL2BoogieTranslator took 443.96ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 65.2MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 05:12:56,490 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.70ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 63.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:12:56,491 INFO L158 Benchmark]: Boogie Preprocessor took 33.61ms. Allocated memory is still 117.4MB. Free memory was 63.1MB in the beginning and 60.6MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:12:56,491 INFO L158 Benchmark]: RCFGBuilder took 1022.62ms. Allocated memory is still 117.4MB. Free memory was 60.6MB in the beginning and 62.0MB in the end (delta: -1.4MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2024-12-06 05:12:56,493 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 443.96ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 65.2MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.70ms. Allocated memory is still 117.4MB. Free memory was 65.2MB in the beginning and 63.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.61ms. Allocated memory is still 117.4MB. Free memory was 63.1MB in the beginning and 60.6MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1022.62ms. Allocated memory is still 117.4MB. Free memory was 60.6MB in the beginning and 62.0MB in the end (delta: -1.4MB). Peak memory consumption was 36.9MB. 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: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 1;~x$w_buff1_used~0 := (if 0 == ~x$w_buff0_used~0 % 256 then 0 else 1);~x$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: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 1;~x$w_buff1_used~0 := (if 0 == ~x$w_buff0_used~0 % 256 then 0 else 1);~x$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. [2024-12-06 05:12:56,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a5fd0f-81cd-4e75-8140-cd6db144a60f/bin/ukojak-verify-CZk0znPC7b/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_b7a5fd0f-81cd-4e75-8140-cd6db144a60f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a5fd0f-81cd-4e75-8140-cd6db144a60f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a5fd0f-81cd-4e75-8140-cd6db144a60f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a5fd0f-81cd-4e75-8140-cd6db144a60f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe027_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a5fd0f-81cd-4e75-8140-cd6db144a60f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a5fd0f-81cd-4e75-8140-cd6db144a60f/bin/ukojak-verify-CZk0znPC7b --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 3edc5a2d9ce2881b3565fd36253c94b9cf356a0dafd043fa3f9d27823541c09b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:12:58,418 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:12:58,493 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a5fd0f-81cd-4e75-8140-cd6db144a60f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-12-06 05:12:58,517 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:12:58,518 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:12:58,518 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:12:58,518 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:12:58,518 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:12:58,518 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:12:58,518 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:12:58,519 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:12:58,519 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:12:58,519 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:12:58,519 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:12:58,519 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:12:58,519 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:12:58,519 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:12:58,519 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:12:58,519 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:12:58,519 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:12:58,519 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:12:58,520 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:12:58,520 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:12:58,520 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:12:58,520 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:12:58,520 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:12:58,520 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:12:58,520 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:12:58,520 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:12:58,520 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:12:58,521 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:12:58,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:12:58,521 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:12:58,521 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:12:58,521 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:12:58,521 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:12:58,521 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:12:58,521 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:12:58,521 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_b7a5fd0f-81cd-4e75-8140-cd6db144a60f/bin/ukojak-verify-CZk0znPC7b 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 -> 3edc5a2d9ce2881b3565fd36253c94b9cf356a0dafd043fa3f9d27823541c09b [2024-12-06 05:12:58,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:12:58,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:12:58,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:12:58,746 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:12:58,747 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:12:58,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a5fd0f-81cd-4e75-8140-cd6db144a60f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-wmm/safe027_power.opt.i [2024-12-06 05:13:01,451 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a5fd0f-81cd-4e75-8140-cd6db144a60f/bin/ukojak-verify-CZk0znPC7b/data/bbb478b33/4256438b6f514f50a1e65b62e630097f/FLAG33093dda5 [2024-12-06 05:13:01,699 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:13:01,700 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a5fd0f-81cd-4e75-8140-cd6db144a60f/sv-benchmarks/c/pthread-wmm/safe027_power.opt.i [2024-12-06 05:13:01,713 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a5fd0f-81cd-4e75-8140-cd6db144a60f/bin/ukojak-verify-CZk0znPC7b/data/bbb478b33/4256438b6f514f50a1e65b62e630097f/FLAG33093dda5 [2024-12-06 05:13:02,019 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a5fd0f-81cd-4e75-8140-cd6db144a60f/bin/ukojak-verify-CZk0znPC7b/data/bbb478b33/4256438b6f514f50a1e65b62e630097f [2024-12-06 05:13:02,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:13:02,022 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:13:02,023 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:13:02,024 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:13:02,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:13:02,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:13:02" (1/1) ... [2024-12-06 05:13:02,027 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b63c42f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:02, skipping insertion in model container [2024-12-06 05:13:02,028 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:13:02" (1/1) ... [2024-12-06 05:13:02,056 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:13:02,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:13:02,346 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:13:02,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:13:02,443 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:13:02,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:02 WrapperNode [2024-12-06 05:13:02,443 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:13:02,444 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:13:02,444 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:13:02,444 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:13:02,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:02" (1/1) ... [2024-12-06 05:13:02,467 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:02" (1/1) ... [2024-12-06 05:13:02,487 INFO L138 Inliner]: procedures = 180, calls = 73, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 140 [2024-12-06 05:13:02,487 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:13:02,488 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:13:02,488 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:13:02,488 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:13:02,493 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:02" (1/1) ... [2024-12-06 05:13:02,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:02" (1/1) ... [2024-12-06 05:13:02,504 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:02" (1/1) ... [2024-12-06 05:13:02,504 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:02" (1/1) ... [2024-12-06 05:13:02,517 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:02" (1/1) ... [2024-12-06 05:13:02,518 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:02" (1/1) ... [2024-12-06 05:13:02,521 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:02" (1/1) ... [2024-12-06 05:13:02,524 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:02" (1/1) ... [2024-12-06 05:13:02,526 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:02" (1/1) ... [2024-12-06 05:13:02,531 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:13:02,531 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:13:02,532 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:13:02,532 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:13:02,533 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:02" (1/1) ... [2024-12-06 05:13:02,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:13:02,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a5fd0f-81cd-4e75-8140-cd6db144a60f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:13:02,562 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a5fd0f-81cd-4e75-8140-cd6db144a60f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:13:02,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a5fd0f-81cd-4e75-8140-cd6db144a60f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:13:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 05:13:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 05:13:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 05:13:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 05:13:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:13:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 05:13:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:13:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-06 05:13:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-06 05:13:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-06 05:13:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-06 05:13:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-06 05:13:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-06 05:13:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-06 05:13:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-12-06 05:13:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-12-06 05:13:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 05:13:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:13:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:13:02,588 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-06 05:13:02,727 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:13:02,729 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:13:03,249 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 05:13:03,249 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:13:03,659 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: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 1bv32;~x$w_buff1_used~0 := (if 0bv8 == ~x$w_buff0_used~0 then 0bv8 else 1bv8);~x$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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 05:13:03,665 INFO L158 Benchmark]: Toolchain (without parser) took 1641.40ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 68.4MB in the beginning and 90.7MB in the end (delta: -22.3MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. [2024-12-06 05:13:03,665 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:13:03,665 INFO L158 Benchmark]: CACSL2BoogieTranslator took 420.32ms. Allocated memory is still 92.3MB. Free memory was 68.2MB in the beginning and 42.1MB in the end (delta: 26.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:13:03,666 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.15ms. Allocated memory is still 92.3MB. Free memory was 42.0MB in the beginning and 39.8MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:13:03,666 INFO L158 Benchmark]: Boogie Preprocessor took 42.91ms. Allocated memory is still 92.3MB. Free memory was 39.8MB in the beginning and 66.8MB in the end (delta: -27.0MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-12-06 05:13:03,666 INFO L158 Benchmark]: RCFGBuilder took 1131.41ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 66.8MB in the beginning and 90.7MB in the end (delta: -23.8MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2024-12-06 05:13:03,668 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 420.32ms. Allocated memory is still 92.3MB. Free memory was 68.2MB in the beginning and 42.1MB in the end (delta: 26.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.15ms. Allocated memory is still 92.3MB. Free memory was 42.0MB in the beginning and 39.8MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.91ms. Allocated memory is still 92.3MB. Free memory was 39.8MB in the beginning and 66.8MB in the end (delta: -27.0MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * RCFGBuilder took 1131.41ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 66.8MB in the beginning and 90.7MB in the end (delta: -23.8MB). Peak memory consumption was 48.7MB. 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: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 1bv32;~x$w_buff1_used~0 := (if 0bv8 == ~x$w_buff0_used~0 then 0bv8 else 1bv8);~x$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: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 1bv32;~x$w_buff1_used~0 := (if 0bv8 == ~x$w_buff0_used~0 then 0bv8 else 1bv8);~x$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. [2024-12-06 05:13:03,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a5fd0f-81cd-4e75-8140-cd6db144a60f/bin/ukojak-verify-CZk0znPC7b/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: ~x$w_buff1~0 := ~x$w_buff0~0;~x$w_buff0~0 := 1bv32;~x$w_buff1_used~0 := (if 0bv8 == ~x$w_buff0_used~0 then 0bv8 else 1bv8);~x$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?