./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi006_power.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541afe8a-8aed-43c0-b940-3498319fb1de/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541afe8a-8aed-43c0-b940-3498319fb1de/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_541afe8a-8aed-43c0-b940-3498319fb1de/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541afe8a-8aed-43c0-b940-3498319fb1de/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi006_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541afe8a-8aed-43c0-b940-3498319fb1de/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541afe8a-8aed-43c0-b940-3498319fb1de/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash de3096cf2a7a81c5a5563cf2e9ae3ddf8f4cc1ab1b483fb6503759d4e39a0a81 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:13:48,851 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:13:48,905 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541afe8a-8aed-43c0-b940-3498319fb1de/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:13:48,910 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:13:48,910 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:13:48,929 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:13:48,930 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:13:48,930 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:13:48,930 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:13:48,930 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:13:48,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:13:48,930 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:13:48,930 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:13:48,931 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:13:48,931 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:13:48,931 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:13:48,931 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:13:48,931 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:13:48,931 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:13:48,931 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:13:48,931 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:13:48,931 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:13:48,931 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:13:48,931 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:13:48,931 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:13:48,932 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:13:48,932 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:13:48,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:13:48,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:13:48,932 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:13:48,932 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:13:48,932 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:13:48,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:13:48,932 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_541afe8a-8aed-43c0-b940-3498319fb1de/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 ! call(reach_error())) ) 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 -> de3096cf2a7a81c5a5563cf2e9ae3ddf8f4cc1ab1b483fb6503759d4e39a0a81 [2024-12-06 01:13:49,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:13:49,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:13:49,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:13:49,166 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:13:49,166 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:13:49,167 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541afe8a-8aed-43c0-b940-3498319fb1de/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-wmm/rfi006_power.opt.i [2024-12-06 01:13:51,829 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541afe8a-8aed-43c0-b940-3498319fb1de/bin/ukojak-verify-CZk0znPC7b/data/082537bfb/eed252b0f4604ad687dea4c8abdd2e87/FLAG3c274a261 [2024-12-06 01:13:52,099 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:13:52,099 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541afe8a-8aed-43c0-b940-3498319fb1de/sv-benchmarks/c/pthread-wmm/rfi006_power.opt.i [2024-12-06 01:13:52,113 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541afe8a-8aed-43c0-b940-3498319fb1de/bin/ukojak-verify-CZk0znPC7b/data/082537bfb/eed252b0f4604ad687dea4c8abdd2e87/FLAG3c274a261 [2024-12-06 01:13:52,124 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541afe8a-8aed-43c0-b940-3498319fb1de/bin/ukojak-verify-CZk0znPC7b/data/082537bfb/eed252b0f4604ad687dea4c8abdd2e87 [2024-12-06 01:13:52,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:13:52,126 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:13:52,127 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:13:52,127 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:13:52,130 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:13:52,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:13:52" (1/1) ... [2024-12-06 01:13:52,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a0df1fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:52, skipping insertion in model container [2024-12-06 01:13:52,131 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:13:52" (1/1) ... [2024-12-06 01:13:52,156 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:13:52,296 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541afe8a-8aed-43c0-b940-3498319fb1de/sv-benchmarks/c/pthread-wmm/rfi006_power.opt.i[993,1006] [2024-12-06 01:13:52,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:13:52,457 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:13:52,467 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541afe8a-8aed-43c0-b940-3498319fb1de/sv-benchmarks/c/pthread-wmm/rfi006_power.opt.i[993,1006] [2024-12-06 01:13:52,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:13:52,550 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:13:52,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:52 WrapperNode [2024-12-06 01:13:52,550 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:13:52,551 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:13:52,551 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:13:52,551 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:13:52,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:52" (1/1) ... [2024-12-06 01:13:52,567 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:52" (1/1) ... [2024-12-06 01:13:52,585 INFO L138 Inliner]: procedures = 175, calls = 63, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 119 [2024-12-06 01:13:52,585 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:13:52,586 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:13:52,586 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:13:52,586 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:13:52,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:52" (1/1) ... [2024-12-06 01:13:52,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:52" (1/1) ... [2024-12-06 01:13:52,595 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:52" (1/1) ... [2024-12-06 01:13:52,595 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:52" (1/1) ... [2024-12-06 01:13:52,605 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:52" (1/1) ... [2024-12-06 01:13:52,606 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:52" (1/1) ... [2024-12-06 01:13:52,609 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:52" (1/1) ... [2024-12-06 01:13:52,611 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:52" (1/1) ... [2024-12-06 01:13:52,613 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:52" (1/1) ... [2024-12-06 01:13:52,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:13:52,617 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:13:52,617 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:13:52,617 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:13:52,618 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:52" (1/1) ... [2024-12-06 01:13:52,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:13:52,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541afe8a-8aed-43c0-b940-3498319fb1de/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:13:52,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541afe8a-8aed-43c0-b940-3498319fb1de/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:13:52,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541afe8a-8aed-43c0-b940-3498319fb1de/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:13:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 01:13:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:13:52,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:13:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 01:13:52,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 01:13:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:13:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-06 01:13:52,677 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-06 01:13:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-06 01:13:52,677 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-06 01:13:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-06 01:13:52,677 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-06 01:13:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:13:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 01:13:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:13:52,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:13:52,678 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 01:13:52,800 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:13:52,801 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:13:53,189 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 01:13:53,189 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:13:53,514 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 01:13:53,519 INFO L158 Benchmark]: Toolchain (without parser) took 1392.35ms. Allocated memory is still 117.4MB. Free memory was 90.8MB in the beginning and 83.5MB in the end (delta: 7.4MB). Peak memory consumption was 70.2MB. Max. memory is 16.1GB. [2024-12-06 01:13:53,520 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 72.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:13:53,520 INFO L158 Benchmark]: CACSL2BoogieTranslator took 423.41ms. Allocated memory is still 117.4MB. Free memory was 90.8MB in the beginning and 65.6MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 01:13:53,521 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.54ms. Allocated memory is still 117.4MB. Free memory was 65.6MB in the beginning and 63.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:13:53,521 INFO L158 Benchmark]: Boogie Preprocessor took 30.85ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 61.6MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:13:53,522 INFO L158 Benchmark]: RCFGBuilder took 900.57ms. Allocated memory is still 117.4MB. Free memory was 61.4MB in the beginning and 83.5MB in the end (delta: -22.1MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2024-12-06 01:13:53,523 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 72.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 423.41ms. Allocated memory is still 117.4MB. Free memory was 90.8MB in the beginning and 65.6MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.54ms. Allocated memory is still 117.4MB. Free memory was 65.6MB in the beginning and 63.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.85ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 61.6MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 900.57ms. Allocated memory is still 117.4MB. Free memory was 61.4MB in the beginning and 83.5MB in the end (delta: -22.1MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~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 01:13:53,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541afe8a-8aed-43c0-b940-3498319fb1de/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_541afe8a-8aed-43c0-b940-3498319fb1de/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541afe8a-8aed-43c0-b940-3498319fb1de/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_541afe8a-8aed-43c0-b940-3498319fb1de/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541afe8a-8aed-43c0-b940-3498319fb1de/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi006_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541afe8a-8aed-43c0-b940-3498319fb1de/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541afe8a-8aed-43c0-b940-3498319fb1de/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash de3096cf2a7a81c5a5563cf2e9ae3ddf8f4cc1ab1b483fb6503759d4e39a0a81 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:13:55,482 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:13:55,557 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541afe8a-8aed-43c0-b940-3498319fb1de/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:13:55,580 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:13:55,581 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:13:55,581 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:13:55,582 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:13:55,582 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:13:55,582 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:13:55,582 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:13:55,582 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:13:55,582 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:13:55,582 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:13:55,582 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:13:55,583 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:13:55,583 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:13:55,583 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:13:55,583 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:13:55,583 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:13:55,583 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:13:55,583 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:13:55,583 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:13:55,583 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:13:55,583 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:13:55,584 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:13:55,584 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:13:55,584 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:13:55,584 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:13:55,584 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:13:55,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:13:55,584 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:13:55,584 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:13:55,584 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:13:55,584 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:13:55,585 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:13:55,585 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:13:55,585 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_541afe8a-8aed-43c0-b940-3498319fb1de/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 ! call(reach_error())) ) 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 -> de3096cf2a7a81c5a5563cf2e9ae3ddf8f4cc1ab1b483fb6503759d4e39a0a81 [2024-12-06 01:13:55,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:13:55,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:13:55,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:13:55,833 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:13:55,834 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:13:55,835 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541afe8a-8aed-43c0-b940-3498319fb1de/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/pthread-wmm/rfi006_power.opt.i [2024-12-06 01:13:58,523 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541afe8a-8aed-43c0-b940-3498319fb1de/bin/ukojak-verify-CZk0znPC7b/data/c253bb9a6/ffef2e83fc204fd59a27bf55741f6c49/FLAG91a22d60a [2024-12-06 01:13:58,745 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:13:58,745 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541afe8a-8aed-43c0-b940-3498319fb1de/sv-benchmarks/c/pthread-wmm/rfi006_power.opt.i [2024-12-06 01:13:58,759 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541afe8a-8aed-43c0-b940-3498319fb1de/bin/ukojak-verify-CZk0znPC7b/data/c253bb9a6/ffef2e83fc204fd59a27bf55741f6c49/FLAG91a22d60a [2024-12-06 01:13:58,773 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541afe8a-8aed-43c0-b940-3498319fb1de/bin/ukojak-verify-CZk0znPC7b/data/c253bb9a6/ffef2e83fc204fd59a27bf55741f6c49 [2024-12-06 01:13:58,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:13:58,776 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:13:58,778 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:13:58,778 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:13:58,782 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:13:58,783 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:13:58" (1/1) ... [2024-12-06 01:13:58,784 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c579f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:58, skipping insertion in model container [2024-12-06 01:13:58,784 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:13:58" (1/1) ... [2024-12-06 01:13:58,814 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:13:58,965 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541afe8a-8aed-43c0-b940-3498319fb1de/sv-benchmarks/c/pthread-wmm/rfi006_power.opt.i[993,1006] [2024-12-06 01:13:59,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:13:59,123 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:13:59,132 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541afe8a-8aed-43c0-b940-3498319fb1de/sv-benchmarks/c/pthread-wmm/rfi006_power.opt.i[993,1006] [2024-12-06 01:13:59,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:13:59,212 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:13:59,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:59 WrapperNode [2024-12-06 01:13:59,212 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:13:59,213 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:13:59,213 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:13:59,213 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:13:59,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:59" (1/1) ... [2024-12-06 01:13:59,233 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:59" (1/1) ... [2024-12-06 01:13:59,252 INFO L138 Inliner]: procedures = 179, calls = 63, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 120 [2024-12-06 01:13:59,253 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:13:59,253 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:13:59,253 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:13:59,253 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:13:59,258 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:59" (1/1) ... [2024-12-06 01:13:59,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:59" (1/1) ... [2024-12-06 01:13:59,263 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:59" (1/1) ... [2024-12-06 01:13:59,263 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:59" (1/1) ... [2024-12-06 01:13:59,280 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:59" (1/1) ... [2024-12-06 01:13:59,281 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:59" (1/1) ... [2024-12-06 01:13:59,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:59" (1/1) ... [2024-12-06 01:13:59,286 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:59" (1/1) ... [2024-12-06 01:13:59,288 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:59" (1/1) ... [2024-12-06 01:13:59,292 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:13:59,293 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:13:59,293 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:13:59,293 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:13:59,294 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:59" (1/1) ... [2024-12-06 01:13:59,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:13:59,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541afe8a-8aed-43c0-b940-3498319fb1de/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:13:59,322 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541afe8a-8aed-43c0-b940-3498319fb1de/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:13:59,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541afe8a-8aed-43c0-b940-3498319fb1de/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:13:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 01:13:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:13:59,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:13:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 01:13:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:13:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 01:13:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:13:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-06 01:13:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-06 01:13:59,344 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-06 01:13:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-06 01:13:59,344 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-06 01:13:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-06 01:13:59,344 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-06 01:13:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 01:13:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:13:59,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:13:59,346 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 01:13:59,472 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:13:59,473 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:13:59,886 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 01:13:59,886 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:14:00,214 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 01:14:00,219 INFO L158 Benchmark]: Toolchain (without parser) took 1442.02ms. Allocated memory is still 92.3MB. Free memory was 68.0MB in the beginning and 35.5MB in the end (delta: 32.6MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-12-06 01:14:00,219 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:14:00,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.17ms. Allocated memory is still 92.3MB. Free memory was 67.8MB in the beginning and 42.6MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 01:14:00,220 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.61ms. Allocated memory is still 92.3MB. Free memory was 42.5MB in the beginning and 40.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:14:00,220 INFO L158 Benchmark]: Boogie Preprocessor took 38.68ms. Allocated memory is still 92.3MB. Free memory was 40.3MB in the beginning and 67.5MB in the end (delta: -27.2MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2024-12-06 01:14:00,221 INFO L158 Benchmark]: RCFGBuilder took 924.77ms. Allocated memory is still 92.3MB. Free memory was 67.5MB in the beginning and 35.5MB in the end (delta: 32.1MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2024-12-06 01:14:00,223 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.17ms. Allocated memory is still 92.3MB. Free memory was 67.8MB in the beginning and 42.6MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.61ms. Allocated memory is still 92.3MB. Free memory was 42.5MB in the beginning and 40.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.68ms. Allocated memory is still 92.3MB. Free memory was 40.3MB in the beginning and 67.5MB in the end (delta: -27.2MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * RCFGBuilder took 924.77ms. Allocated memory is still 92.3MB. Free memory was 67.5MB in the beginning and 35.5MB in the end (delta: 32.1MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~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 01:14:00,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541afe8a-8aed-43c0-b940-3498319fb1de/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?