./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c --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_d661f085-dd62-402c-82fa-fa29998446ba/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d661f085-dd62-402c-82fa-fa29998446ba/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_d661f085-dd62-402c-82fa-fa29998446ba/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d661f085-dd62-402c-82fa-fa29998446ba/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d661f085-dd62-402c-82fa-fa29998446ba/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_d661f085-dd62-402c-82fa-fa29998446ba/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 ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:17:41,328 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:17:41,383 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d661f085-dd62-402c-82fa-fa29998446ba/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:17:41,388 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:17:41,388 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:17:41,407 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:17:41,408 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:17:41,408 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:17:41,409 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:17:41,409 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:17:41,409 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:17:41,409 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:17:41,409 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:17:41,409 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:17:41,409 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:17:41,409 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:17:41,409 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:17:41,410 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:17:41,410 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:17:41,410 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:17:41,410 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:17:41,410 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:17:41,410 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:17:41,410 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:17:41,410 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:17:41,410 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:17:41,410 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:17:41,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:17:41,411 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:17:41,411 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:17:41,411 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:17:41,411 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:17:41,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:17:41,411 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_d661f085-dd62-402c-82fa-fa29998446ba/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 -> ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 [2024-12-05 22:17:41,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:17:41,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:17:41,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:17:41,662 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:17:41,662 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:17:41,663 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d661f085-dd62-402c-82fa-fa29998446ba/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2024-12-05 22:17:44,321 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d661f085-dd62-402c-82fa-fa29998446ba/bin/ukojak-verify-CZk0znPC7b/data/14dd4d880/57d1827463094628bbfc0ef49eb33218/FLAG39cc3e8bd [2024-12-05 22:17:44,550 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:17:44,550 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d661f085-dd62-402c-82fa-fa29998446ba/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2024-12-05 22:17:44,557 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d661f085-dd62-402c-82fa-fa29998446ba/bin/ukojak-verify-CZk0znPC7b/data/14dd4d880/57d1827463094628bbfc0ef49eb33218/FLAG39cc3e8bd [2024-12-05 22:17:44,570 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d661f085-dd62-402c-82fa-fa29998446ba/bin/ukojak-verify-CZk0znPC7b/data/14dd4d880/57d1827463094628bbfc0ef49eb33218 [2024-12-05 22:17:44,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:17:44,573 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:17:44,574 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:17:44,575 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:17:44,578 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:17:44,578 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:17:44" (1/1) ... [2024-12-05 22:17:44,579 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@314afadb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:44, skipping insertion in model container [2024-12-05 22:17:44,579 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:17:44" (1/1) ... [2024-12-05 22:17:44,594 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:17:44,747 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_d661f085-dd62-402c-82fa-fa29998446ba/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c[5898,5911] [2024-12-05 22:17:44,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:17:44,762 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:17:44,791 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_d661f085-dd62-402c-82fa-fa29998446ba/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c[5898,5911] [2024-12-05 22:17:44,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:17:44,806 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:17:44,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:44 WrapperNode [2024-12-05 22:17:44,807 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:17:44,808 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:17:44,808 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:17:44,808 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:17:44,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:44" (1/1) ... [2024-12-05 22:17:44,820 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:44" (1/1) ... [2024-12-05 22:17:44,835 INFO L138 Inliner]: procedures = 25, calls = 73, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 120 [2024-12-05 22:17:44,836 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:17:44,836 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:17:44,836 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:17:44,836 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:17:44,842 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:44" (1/1) ... [2024-12-05 22:17:44,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:44" (1/1) ... [2024-12-05 22:17:44,845 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:44" (1/1) ... [2024-12-05 22:17:44,845 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:44" (1/1) ... [2024-12-05 22:17:44,854 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:44" (1/1) ... [2024-12-05 22:17:44,855 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:44" (1/1) ... [2024-12-05 22:17:44,858 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:44" (1/1) ... [2024-12-05 22:17:44,860 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:44" (1/1) ... [2024-12-05 22:17:44,861 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:44" (1/1) ... [2024-12-05 22:17:44,864 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:17:44,865 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:17:44,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:17:44,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:17:44,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:44" (1/1) ... [2024-12-05 22:17:44,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:17:44,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d661f085-dd62-402c-82fa-fa29998446ba/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:17:44,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d661f085-dd62-402c-82fa-fa29998446ba/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:17:44,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d661f085-dd62-402c-82fa-fa29998446ba/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:17:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:17:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-05 22:17:44,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-05 22:17:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-05 22:17:44,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-05 22:17:44,915 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-05 22:17:44,916 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-05 22:17:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-12-05 22:17:44,916 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-12-05 22:17:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 22:17:44,916 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 22:17:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:17:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 22:17:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-12-05 22:17:44,916 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-12-05 22:17:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-05 22:17:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-05 22:17:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 22:17:44,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:17:44,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:17:44,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 22:17:44,918 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-05 22:17:45,013 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:17:45,015 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:17:45,371 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-05 22:17:45,371 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:17:45,549 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~mem15;#t~post16 := ~client_back~0;~client_back~0 := 1 + #t~post16;havoc #t~post16;). 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: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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 22:17:45,554 INFO L158 Benchmark]: Toolchain (without parser) took 979.67ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 113.2MB in the end (delta: 3.2MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB. [2024-12-05 22:17:45,554 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:17:45,554 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.72ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 102.4MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:17:45,555 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.98ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 101.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:17:45,555 INFO L158 Benchmark]: Boogie Preprocessor took 28.40ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 99.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:17:45,556 INFO L158 Benchmark]: RCFGBuilder took 687.06ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 113.2MB in the end (delta: -13.9MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2024-12-05 22:17:45,558 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.72ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 102.4MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.98ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 101.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.40ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 99.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 687.06ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 113.2MB in the end (delta: -13.9MB). Peak memory consumption was 55.8MB. 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~mem15;#t~post16 := ~client_back~0;~client_back~0 := 1 + #t~post16;havoc #t~post16;). 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~mem15;#t~post16 := ~client_back~0;~client_back~0 := 1 + #t~post16;havoc #t~post16;). 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. [2024-12-05 22:17:45,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d661f085-dd62-402c-82fa-fa29998446ba/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_d661f085-dd62-402c-82fa-fa29998446ba/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d661f085-dd62-402c-82fa-fa29998446ba/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_d661f085-dd62-402c-82fa-fa29998446ba/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d661f085-dd62-402c-82fa-fa29998446ba/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d661f085-dd62-402c-82fa-fa29998446ba/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_d661f085-dd62-402c-82fa-fa29998446ba/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 ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:17:47,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:17:47,566 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d661f085-dd62-402c-82fa-fa29998446ba/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 22:17:47,592 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:17:47,593 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:17:47,593 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:17:47,594 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:17:47,594 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:17:47,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:17:47,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:17:47,594 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:17:47,594 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:17:47,594 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:17:47,594 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:17:47,595 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:17:47,595 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:17:47,595 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:17:47,595 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:17:47,595 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:17:47,595 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:17:47,595 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:17:47,595 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:17:47,595 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:17:47,595 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:17:47,595 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:17:47,595 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:17:47,596 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:17:47,596 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:17:47,596 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:17:47,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:17:47,596 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:17:47,596 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:17:47,596 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:17:47,596 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:17:47,596 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:17:47,596 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:17:47,596 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_d661f085-dd62-402c-82fa-fa29998446ba/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 -> ec2334e7e9ec2636c6abf161aed91fff94fbff3709d38c7edad92256c3b5dc81 [2024-12-05 22:17:47,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:17:47,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:17:47,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:17:47,852 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:17:47,852 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:17:47,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d661f085-dd62-402c-82fa-fa29998446ba/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2024-12-05 22:17:50,487 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d661f085-dd62-402c-82fa-fa29998446ba/bin/ukojak-verify-CZk0znPC7b/data/85f4551e0/49f3694a5eef454a9b141730697e7705/FLAG91c69e1d6 [2024-12-05 22:17:50,696 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:17:50,696 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d661f085-dd62-402c-82fa-fa29998446ba/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c [2024-12-05 22:17:50,703 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d661f085-dd62-402c-82fa-fa29998446ba/bin/ukojak-verify-CZk0znPC7b/data/85f4551e0/49f3694a5eef454a9b141730697e7705/FLAG91c69e1d6 [2024-12-05 22:17:51,041 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d661f085-dd62-402c-82fa-fa29998446ba/bin/ukojak-verify-CZk0znPC7b/data/85f4551e0/49f3694a5eef454a9b141730697e7705 [2024-12-05 22:17:51,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:17:51,044 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:17:51,045 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:17:51,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:17:51,048 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:17:51,049 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:17:51" (1/1) ... [2024-12-05 22:17:51,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eaba70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:51, skipping insertion in model container [2024-12-05 22:17:51,050 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:17:51" (1/1) ... [2024-12-05 22:17:51,066 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:17:51,236 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_d661f085-dd62-402c-82fa-fa29998446ba/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c[5898,5911] [2024-12-05 22:17:51,241 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:17:51,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:17:51,252 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:17:51,276 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_d661f085-dd62-402c-82fa-fa29998446ba/sv-benchmarks/c/weaver/popl20-commit-2.wvr.c[5898,5911] [2024-12-05 22:17:51,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:17:51,290 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:17:51,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:51 WrapperNode [2024-12-05 22:17:51,291 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:17:51,291 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:17:51,292 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:17:51,292 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:17:51,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:51" (1/1) ... [2024-12-05 22:17:51,306 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:51" (1/1) ... [2024-12-05 22:17:51,320 INFO L138 Inliner]: procedures = 27, calls = 73, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 110 [2024-12-05 22:17:51,320 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:17:51,320 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:17:51,321 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:17:51,321 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:17:51,328 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:51" (1/1) ... [2024-12-05 22:17:51,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:51" (1/1) ... [2024-12-05 22:17:51,332 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:51" (1/1) ... [2024-12-05 22:17:51,332 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:51" (1/1) ... [2024-12-05 22:17:51,345 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:51" (1/1) ... [2024-12-05 22:17:51,346 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:51" (1/1) ... [2024-12-05 22:17:51,350 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:51" (1/1) ... [2024-12-05 22:17:51,352 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:51" (1/1) ... [2024-12-05 22:17:51,353 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:51" (1/1) ... [2024-12-05 22:17:51,356 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:17:51,357 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:17:51,357 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:17:51,357 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:17:51,358 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:51" (1/1) ... [2024-12-05 22:17:51,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:17:51,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d661f085-dd62-402c-82fa-fa29998446ba/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:17:51,383 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d661f085-dd62-402c-82fa-fa29998446ba/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:17:51,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d661f085-dd62-402c-82fa-fa29998446ba/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:17:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:17:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:17:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-12-05 22:17:51,407 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-12-05 22:17:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-05 22:17:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-05 22:17:51,407 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-05 22:17:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-05 22:17:51,407 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-05 22:17:51,407 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-05 22:17:51,408 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-05 22:17:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-12-05 22:17:51,408 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-12-05 22:17:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 22:17:51,408 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 22:17:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-05 22:17:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-05 22:17:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 22:17:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:17:51,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:17:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-05 22:17:51,410 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-05 22:17:51,518 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:17:51,519 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:17:51,929 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-05 22:17:51,929 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:17:52,141 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~mem15;#t~post16 := ~client_back~0;~client_back~0 := ~bvadd~32(1bv32, #t~post16);havoc #t~post16;). 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: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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 22:17:52,146 INFO L158 Benchmark]: Toolchain (without parser) took 1100.82ms. Allocated memory is still 92.3MB. Free memory was 70.0MB in the beginning and 66.7MB in the end (delta: 3.3MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2024-12-05 22:17:52,146 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:17:52,146 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.72ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 55.4MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:17:52,147 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.53ms. Allocated memory is still 92.3MB. Free memory was 55.4MB in the beginning and 53.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:17:52,147 INFO L158 Benchmark]: Boogie Preprocessor took 36.11ms. Allocated memory is still 92.3MB. Free memory was 53.9MB in the beginning and 52.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:17:52,147 INFO L158 Benchmark]: RCFGBuilder took 786.91ms. Allocated memory is still 92.3MB. Free memory was 51.9MB in the beginning and 66.7MB in the end (delta: -14.7MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2024-12-05 22:17:52,149 INFO L338 ainManager$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 46.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 245.72ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 55.4MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.53ms. Allocated memory is still 92.3MB. Free memory was 55.4MB in the beginning and 53.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.11ms. Allocated memory is still 92.3MB. Free memory was 53.9MB in the beginning and 52.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 786.91ms. Allocated memory is still 92.3MB. Free memory was 51.9MB in the beginning and 66.7MB in the end (delta: -14.7MB). Peak memory consumption was 30.9MB. 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~mem15;#t~post16 := ~client_back~0;~client_back~0 := ~bvadd~32(1bv32, #t~post16);havoc #t~post16;). 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~mem15;#t~post16 := ~client_back~0;~client_back~0 := ~bvadd~32(1bv32, #t~post16);havoc #t~post16;). 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. [2024-12-05 22:17:52,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d661f085-dd62-402c-82fa-fa29998446ba/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 end of atomic block: havoc #t~mem15;#t~post16 := ~client_back~0;~client_back~0 := ~bvadd~32(1bv32, #t~post16);havoc #t~post16;). Is there illegal control flow (e.g. loops) within an atomic block?