./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/bin/ukojak-verify-ImItNfHLgk --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 608e0c2870f111f9f6921442a1f1a544ee956a8de04c7629c0edf3e54cde4da3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:27:56,455 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:27:56,521 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 19:27:56,526 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:27:56,527 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:27:56,552 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:27:56,553 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:27:56,554 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:27:56,555 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:27:56,555 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:27:56,556 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:27:56,556 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:27:56,557 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:27:56,557 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:27:56,558 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:27:56,558 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:27:56,558 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:27:56,559 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:27:56,560 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:27:56,560 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:27:56,561 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:27:56,561 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:27:56,562 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:27:56,562 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:27:56,563 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:27:56,563 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:27:56,564 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:27:56,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:27:56,565 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:27:56,565 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:27:56,565 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:27:56,566 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:27:56,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:27:56,567 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 608e0c2870f111f9f6921442a1f1a544ee956a8de04c7629c0edf3e54cde4da3 [2024-11-08 19:27:56,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:27:56,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:27:56,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:27:56,944 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:27:56,945 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:27:56,946 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c Unable to find full path for "g++" [2024-11-08 19:27:59,095 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:27:59,354 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:27:59,355 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c [2024-11-08 19:27:59,370 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/bin/ukojak-verify-ImItNfHLgk/data/842c8fc9a/70dc02c299214d5b8ef3174463627a09/FLAGc28ef8e0f [2024-11-08 19:27:59,698 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/bin/ukojak-verify-ImItNfHLgk/data/842c8fc9a/70dc02c299214d5b8ef3174463627a09 [2024-11-08 19:27:59,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:27:59,706 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:27:59,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:27:59,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:27:59,716 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:27:59,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:27:59" (1/1) ... [2024-11-08 19:27:59,721 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69767858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:59, skipping insertion in model container [2024-11-08 19:27:59,724 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:27:59" (1/1) ... [2024-11-08 19:27:59,760 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:27:59,992 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_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c[2464,2477] [2024-11-08 19:28:00,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:28:00,019 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:28:00,048 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_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c[2464,2477] [2024-11-08 19:28:00,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:28:00,073 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:28:00,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:00 WrapperNode [2024-11-08 19:28:00,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:28:00,075 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:28:00,076 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:28:00,076 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:28:00,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:00" (1/1) ... [2024-11-08 19:28:00,092 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:00" (1/1) ... [2024-11-08 19:28:00,116 INFO L138 Inliner]: procedures = 23, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2024-11-08 19:28:00,117 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:28:00,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:28:00,118 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:28:00,118 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:28:00,129 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:00" (1/1) ... [2024-11-08 19:28:00,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:00" (1/1) ... [2024-11-08 19:28:00,132 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:00" (1/1) ... [2024-11-08 19:28:00,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:00" (1/1) ... [2024-11-08 19:28:00,139 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:00" (1/1) ... [2024-11-08 19:28:00,143 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:00" (1/1) ... [2024-11-08 19:28:00,145 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:00" (1/1) ... [2024-11-08 19:28:00,146 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:00" (1/1) ... [2024-11-08 19:28:00,148 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:28:00,149 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:28:00,150 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:28:00,150 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:28:00,151 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:00" (1/1) ... [2024-11-08 19:28:00,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:28:00,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:28:00,188 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:28:00,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:28:00,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:28:00,231 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-08 19:28:00,231 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-08 19:28:00,231 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-08 19:28:00,232 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-08 19:28:00,233 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:28:00,233 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:28:00,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:28:00,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 19:28:00,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 19:28:00,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 19:28:00,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 19:28:00,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:28:00,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:28:00,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 19:28:00,236 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 19:28:00,370 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:28:00,373 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:28:00,636 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 19:28:00,636 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:28:00,759 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem2;#t~post3 := ~back~0;~back~0 := 1 + #t~post3;havoc #t~post3;). 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:123) 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:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 19:28:00,764 INFO L158 Benchmark]: Toolchain (without parser) took 1060.08ms. Allocated memory is still 155.2MB. Free memory was 118.5MB in the beginning and 79.8MB in the end (delta: 38.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-08 19:28:00,765 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 155.2MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:28:00,765 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.79ms. Allocated memory is still 155.2MB. Free memory was 118.0MB in the beginning and 104.8MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:28:00,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.45ms. Allocated memory is still 155.2MB. Free memory was 104.8MB in the beginning and 103.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:28:00,767 INFO L158 Benchmark]: Boogie Preprocessor took 31.36ms. Allocated memory is still 155.2MB. Free memory was 103.4MB in the beginning and 101.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:28:00,768 INFO L158 Benchmark]: RCFGBuilder took 612.49ms. Allocated memory is still 155.2MB. Free memory was 101.8MB in the beginning and 79.8MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 19:28:00,771 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 155.2MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.79ms. Allocated memory is still 155.2MB. Free memory was 118.0MB in the beginning and 104.8MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.45ms. Allocated memory is still 155.2MB. Free memory was 104.8MB in the beginning and 103.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.36ms. Allocated memory is still 155.2MB. Free memory was 103.4MB in the beginning and 101.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 612.49ms. Allocated memory is still 155.2MB. Free memory was 101.8MB in the beginning and 79.8MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem2;#t~post3 := ~back~0;~back~0 := 1 + #t~post3;havoc #t~post3;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem2;#t~post3 := ~back~0;~back~0 := 1 + #t~post3;havoc #t~post3;). 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:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 19:28:00,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/bin/ukojak-verify-ImItNfHLgk --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 608e0c2870f111f9f6921442a1f1a544ee956a8de04c7629c0edf3e54cde4da3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:28:03,476 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:28:03,588 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 19:28:03,642 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:28:03,643 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:28:03,644 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:28:03,645 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:28:03,646 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:28:03,647 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:28:03,648 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:28:03,648 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:28:03,649 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:28:03,649 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:28:03,650 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:28:03,652 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:28:03,653 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:28:03,654 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:28:03,655 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:28:03,655 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:28:03,655 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:28:03,656 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:28:03,661 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:28:03,661 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:28:03,662 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:28:03,662 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:28:03,662 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:28:03,663 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:28:03,663 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:28:03,664 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:28:03,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:28:03,665 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:28:03,665 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:28:03,665 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:28:03,666 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:28:03,666 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:28:03,666 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:28:03,667 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 608e0c2870f111f9f6921442a1f1a544ee956a8de04c7629c0edf3e54cde4da3 [2024-11-08 19:28:04,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:28:04,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:28:04,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:28:04,226 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:28:04,227 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:28:04,229 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c Unable to find full path for "g++" [2024-11-08 19:28:06,666 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:28:06,909 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:28:06,910 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c [2024-11-08 19:28:06,920 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/bin/ukojak-verify-ImItNfHLgk/data/d08fe59b8/8abf77c206804df7b530e78fbb2f6d5b/FLAG95c06aca4 [2024-11-08 19:28:07,270 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/bin/ukojak-verify-ImItNfHLgk/data/d08fe59b8/8abf77c206804df7b530e78fbb2f6d5b [2024-11-08 19:28:07,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:28:07,274 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:28:07,275 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:28:07,276 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:28:07,282 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:28:07,283 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:28:07" (1/1) ... [2024-11-08 19:28:07,284 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@242d33e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:07, skipping insertion in model container [2024-11-08 19:28:07,284 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:28:07" (1/1) ... [2024-11-08 19:28:07,321 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:28:07,587 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_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c[2464,2477] [2024-11-08 19:28:07,597 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 19:28:07,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:28:07,615 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:28:07,637 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_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c[2464,2477] [2024-11-08 19:28:07,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:28:07,665 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:28:07,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:07 WrapperNode [2024-11-08 19:28:07,666 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:28:07,667 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:28:07,667 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:28:07,667 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:28:07,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:07" (1/1) ... [2024-11-08 19:28:07,687 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:07" (1/1) ... [2024-11-08 19:28:07,708 INFO L138 Inliner]: procedures = 25, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2024-11-08 19:28:07,709 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:28:07,710 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:28:07,710 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:28:07,710 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:28:07,722 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:07" (1/1) ... [2024-11-08 19:28:07,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:07" (1/1) ... [2024-11-08 19:28:07,726 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:07" (1/1) ... [2024-11-08 19:28:07,726 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:07" (1/1) ... [2024-11-08 19:28:07,735 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:07" (1/1) ... [2024-11-08 19:28:07,745 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:07" (1/1) ... [2024-11-08 19:28:07,746 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:07" (1/1) ... [2024-11-08 19:28:07,752 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:07" (1/1) ... [2024-11-08 19:28:07,755 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:28:07,756 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:28:07,759 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:28:07,759 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:28:07,760 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:28:07" (1/1) ... [2024-11-08 19:28:07,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:28:07,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:28:07,803 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:28:07,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:28:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:28:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-08 19:28:07,834 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-08 19:28:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-08 19:28:07,834 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-08 19:28:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 19:28:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:28:07,835 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:28:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 19:28:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 19:28:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 19:28:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 19:28:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:28:07,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:28:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 19:28:07,838 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 19:28:08,013 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:28:08,016 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:28:08,397 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 19:28:08,398 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:28:08,601 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem2;#t~post3 := ~back~0;~back~0 := ~bvadd~32(1bv32, #t~post3);havoc #t~post3;). 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:123) 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:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 19:28:08,613 INFO L158 Benchmark]: Toolchain (without parser) took 1338.41ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 32.9MB in the beginning and 40.7MB in the end (delta: -7.9MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2024-11-08 19:28:08,614 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 62.9MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:28:08,615 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.81ms. Allocated memory is still 62.9MB. Free memory was 32.5MB in the beginning and 34.1MB in the end (delta: -1.6MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2024-11-08 19:28:08,616 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.34ms. Allocated memory is still 62.9MB. Free memory was 34.1MB in the beginning and 32.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:28:08,617 INFO L158 Benchmark]: Boogie Preprocessor took 45.23ms. Allocated memory is still 62.9MB. Free memory was 32.3MB in the beginning and 30.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:28:08,619 INFO L158 Benchmark]: RCFGBuilder took 855.47ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 30.9MB in the beginning and 41.1MB in the end (delta: -10.2MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2024-11-08 19:28:08,626 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 62.9MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 390.81ms. Allocated memory is still 62.9MB. Free memory was 32.5MB in the beginning and 34.1MB in the end (delta: -1.6MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.34ms. Allocated memory is still 62.9MB. Free memory was 34.1MB in the beginning and 32.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.23ms. Allocated memory is still 62.9MB. Free memory was 32.3MB in the beginning and 30.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 855.47ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 30.9MB in the beginning and 41.1MB in the end (delta: -10.2MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem2;#t~post3 := ~back~0;~back~0 := ~bvadd~32(1bv32, #t~post3);havoc #t~post3;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem2;#t~post3 := ~back~0;~back~0 := ~bvadd~32(1bv32, #t~post3);havoc #t~post3;). 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:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 19:28:08,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3aaf3d32-5db5-4aba-b86c-ad7a472e4643/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem2;#t~post3 := ~back~0;~back~0 := ~bvadd~32(1bv32, #t~post3);havoc #t~post3;). Is there illegal control flow (e.g. loops) within an atomic block?