./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91c718-b045-48cb-8dd9-72227e4129c2/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91c718-b045-48cb-8dd9-72227e4129c2/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91c718-b045-48cb-8dd9-72227e4129c2/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91c718-b045-48cb-8dd9-72227e4129c2/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91c718-b045-48cb-8dd9-72227e4129c2/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91c718-b045-48cb-8dd9-72227e4129c2/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0f0e249de6560bdff430500b6d1ad159bf4a19253ccf183d061fafc41fe4114b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:16:47,355 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:16:47,438 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91c718-b045-48cb-8dd9-72227e4129c2/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 22:16:47,445 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:16:47,446 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:16:47,476 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:16:47,478 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:16:47,479 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:16:47,480 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:16:47,481 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:16:47,481 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:16:47,482 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:16:47,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:16:47,484 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:16:47,484 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:16:47,485 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:16:47,486 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:16:47,487 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:16:47,487 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:16:47,488 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:16:47,489 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:16:47,490 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:16:47,491 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:16:47,491 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:16:47,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:47,493 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:16:47,494 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:16:47,494 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:16:47,495 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:16:47,496 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_bd91c718-b045-48cb-8dd9-72227e4129c2/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91c718-b045-48cb-8dd9-72227e4129c2/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f0e249de6560bdff430500b6d1ad159bf4a19253ccf183d061fafc41fe4114b [2023-11-24 22:16:47,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:16:47,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:16:47,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:16:47,886 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:16:47,886 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:16:47,888 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91c718-b045-48cb-8dd9-72227e4129c2/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c [2023-11-24 22:16:51,508 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:16:51,754 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:16:51,755 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91c718-b045-48cb-8dd9-72227e4129c2/sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c [2023-11-24 22:16:51,766 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91c718-b045-48cb-8dd9-72227e4129c2/bin/ukojak-verify-afCqCEvfdi/data/991eaeaae/3044200ac5d24bc1a0a711ab4319f69c/FLAG7c290ca45 [2023-11-24 22:16:52,090 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91c718-b045-48cb-8dd9-72227e4129c2/bin/ukojak-verify-afCqCEvfdi/data/991eaeaae/3044200ac5d24bc1a0a711ab4319f69c [2023-11-24 22:16:52,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:16:52,100 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:16:52,105 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:52,106 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:16:52,112 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:16:52,114 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:52" (1/1) ... [2023-11-24 22:16:52,115 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bf2ec14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:52, skipping insertion in model container [2023-11-24 22:16:52,115 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:52" (1/1) ... [2023-11-24 22:16:52,157 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:16:52,430 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:52,451 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:16:52,484 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:52,524 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:52,524 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:52,540 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:16:52,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:52 WrapperNode [2023-11-24 22:16:52,541 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:52,543 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:52,543 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:16:52,543 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:16:52,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:52" (1/1) ... [2023-11-24 22:16:52,565 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:52" (1/1) ... [2023-11-24 22:16:52,654 INFO L138 Inliner]: procedures = 24, calls = 46, calls flagged for inlining = 12, calls inlined = 14, statements flattened = 201 [2023-11-24 22:16:52,655 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:52,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:16:52,656 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:16:52,656 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:16:52,672 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:52" (1/1) ... [2023-11-24 22:16:52,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:52" (1/1) ... [2023-11-24 22:16:52,678 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:52" (1/1) ... [2023-11-24 22:16:52,678 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:52" (1/1) ... [2023-11-24 22:16:52,691 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:52" (1/1) ... [2023-11-24 22:16:52,696 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:52" (1/1) ... [2023-11-24 22:16:52,699 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:52" (1/1) ... [2023-11-24 22:16:52,701 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:52" (1/1) ... [2023-11-24 22:16:52,706 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:16:52,707 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:16:52,707 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:16:52,708 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:16:52,709 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:52" (1/1) ... [2023-11-24 22:16:52,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:52,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91c718-b045-48cb-8dd9-72227e4129c2/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:16:52,759 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91c718-b045-48cb-8dd9-72227e4129c2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:16:52,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91c718-b045-48cb-8dd9-72227e4129c2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:16:52,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:16:52,818 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:16:52,818 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:16:52,818 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:16:52,818 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:16:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:16:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:16:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:16:52,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:16:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:16:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:16:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:16:52,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:16:52,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:16:52,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:16:52,822 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:16:52,960 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:16:52,963 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:16:53,562 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:16:53,716 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:16:53,716 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-24 22:16:53,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:53 BoogieIcfgContainer [2023-11-24 22:16:53,719 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:16:53,720 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:16:53,720 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:16:53,734 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:16:53,735 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:53" (1/1) ... [2023-11-24 22:16:53,736 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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) [2023-11-24 22:16:53,742 INFO L158 Benchmark]: Toolchain (without parser) took 1644.78ms. Allocated memory is still 157.3MB. Free memory was 97.1MB in the beginning and 89.4MB in the end (delta: 7.7MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2023-11-24 22:16:53,743 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 121.6MB. Free memory is still 94.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:16:53,744 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.79ms. Allocated memory is still 157.3MB. Free memory was 96.9MB in the beginning and 127.4MB in the end (delta: -30.4MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2023-11-24 22:16:53,745 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.16ms. Allocated memory is still 157.3MB. Free memory was 127.4MB in the beginning and 125.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:16:53,746 INFO L158 Benchmark]: Boogie Preprocessor took 50.84ms. Allocated memory is still 157.3MB. Free memory was 125.2MB in the beginning and 123.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:16:53,747 INFO L158 Benchmark]: RCFGBuilder took 1012.02ms. Allocated memory is still 157.3MB. Free memory was 123.4MB in the beginning and 90.2MB in the end (delta: 33.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-24 22:16:53,748 INFO L158 Benchmark]: CodeCheck took 19.88ms. Allocated memory is still 157.3MB. Free memory was 90.2MB in the beginning and 89.4MB in the end (delta: 798.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:16:53,758 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 121.6MB. Free memory is still 94.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 436.79ms. Allocated memory is still 157.3MB. Free memory was 96.9MB in the beginning and 127.4MB in the end (delta: -30.4MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.16ms. Allocated memory is still 157.3MB. Free memory was 127.4MB in the beginning and 125.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.84ms. Allocated memory is still 157.3MB. Free memory was 125.2MB in the beginning and 123.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1012.02ms. Allocated memory is still 157.3MB. Free memory was 123.4MB in the beginning and 90.2MB in the end (delta: 33.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 19.88ms. Allocated memory is still 157.3MB. Free memory was 90.2MB in the beginning and 89.4MB in the end (delta: 798.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:16:53,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91c718-b045-48cb-8dd9-72227e4129c2/bin/ukojak-verify-afCqCEvfdi/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91c718-b045-48cb-8dd9-72227e4129c2/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91c718-b045-48cb-8dd9-72227e4129c2/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91c718-b045-48cb-8dd9-72227e4129c2/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91c718-b045-48cb-8dd9-72227e4129c2/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91c718-b045-48cb-8dd9-72227e4129c2/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91c718-b045-48cb-8dd9-72227e4129c2/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0f0e249de6560bdff430500b6d1ad159bf4a19253ccf183d061fafc41fe4114b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:16:56,883 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:16:57,036 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91c718-b045-48cb-8dd9-72227e4129c2/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-24 22:16:57,092 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:16:57,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:16:57,095 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:16:57,096 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:16:57,096 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:16:57,097 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:16:57,103 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:16:57,103 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:16:57,104 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:16:57,104 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:16:57,106 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:16:57,107 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:16:57,107 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:16:57,108 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:16:57,108 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:16:57,108 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:16:57,110 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:16:57,110 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:16:57,111 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:16:57,111 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:16:57,112 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:16:57,112 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:16:57,113 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:16:57,114 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:16:57,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:57,115 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:16:57,115 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:16:57,117 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:16:57,117 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:16:57,117 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:16:57,118 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:16:57,118 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_bd91c718-b045-48cb-8dd9-72227e4129c2/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91c718-b045-48cb-8dd9-72227e4129c2/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f0e249de6560bdff430500b6d1ad159bf4a19253ccf183d061fafc41fe4114b [2023-11-24 22:16:57,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:16:57,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:16:57,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:16:57,606 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:16:57,607 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:16:57,609 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91c718-b045-48cb-8dd9-72227e4129c2/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c [2023-11-24 22:17:01,129 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:17:01,426 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:17:01,427 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91c718-b045-48cb-8dd9-72227e4129c2/sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c [2023-11-24 22:17:01,442 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91c718-b045-48cb-8dd9-72227e4129c2/bin/ukojak-verify-afCqCEvfdi/data/a012ba1eb/d670af600807427fa77accd52976eee0/FLAG7e01fa2ff [2023-11-24 22:17:01,706 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91c718-b045-48cb-8dd9-72227e4129c2/bin/ukojak-verify-afCqCEvfdi/data/a012ba1eb/d670af600807427fa77accd52976eee0 [2023-11-24 22:17:01,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:17:01,715 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:17:01,719 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:17:01,720 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:17:01,724 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:17:01,725 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:01" (1/1) ... [2023-11-24 22:17:01,726 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d786d9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:01, skipping insertion in model container [2023-11-24 22:17:01,726 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:01" (1/1) ... [2023-11-24 22:17:01,754 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:17:01,978 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:17:01,994 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-24 22:17:01,999 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:17:02,039 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:17:02,062 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:17:02,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:17:02,135 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:17:02,135 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:17:02,143 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:17:02,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:02 WrapperNode [2023-11-24 22:17:02,144 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:17:02,146 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:17:02,146 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:17:02,146 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:17:02,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:02" (1/1) ... [2023-11-24 22:17:02,179 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:02" (1/1) ... [2023-11-24 22:17:02,227 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 12, calls inlined = 14, statements flattened = 196 [2023-11-24 22:17:02,228 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:17:02,229 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:17:02,229 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:17:02,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:17:02,240 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:02" (1/1) ... [2023-11-24 22:17:02,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:02" (1/1) ... [2023-11-24 22:17:02,264 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:02" (1/1) ... [2023-11-24 22:17:02,264 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:02" (1/1) ... [2023-11-24 22:17:02,279 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:02" (1/1) ... [2023-11-24 22:17:02,295 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:02" (1/1) ... [2023-11-24 22:17:02,298 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:02" (1/1) ... [2023-11-24 22:17:02,300 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:02" (1/1) ... [2023-11-24 22:17:02,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:17:02,306 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:17:02,306 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:17:02,306 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:17:02,307 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:02" (1/1) ... [2023-11-24 22:17:02,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:17:02,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91c718-b045-48cb-8dd9-72227e4129c2/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:17:02,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91c718-b045-48cb-8dd9-72227e4129c2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:17:02,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91c718-b045-48cb-8dd9-72227e4129c2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:17:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:17:02,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:17:02,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:17:02,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:17:02,380 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:17:02,380 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:17:02,380 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:17:02,380 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:17:02,380 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:17:02,381 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:17:02,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:17:02,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:17:02,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:17:02,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:17:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:17:02,383 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:17:02,573 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:17:02,576 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:17:03,264 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:17:03,373 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:17:03,373 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-24 22:17:03,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:03 BoogieIcfgContainer [2023-11-24 22:17:03,375 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:17:03,376 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:17:03,376 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:17:03,386 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:17:03,386 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:03" (1/1) ... [2023-11-24 22:17:03,387 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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) [2023-11-24 22:17:03,392 INFO L158 Benchmark]: Toolchain (without parser) took 1675.35ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 47.0MB in the beginning and 43.9MB in the end (delta: 3.2MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2023-11-24 22:17:03,392 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 71.3MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:17:03,393 INFO L158 Benchmark]: CACSL2BoogieTranslator took 425.08ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 46.9MB in the beginning and 66.7MB in the end (delta: -19.8MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2023-11-24 22:17:03,394 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.36ms. Allocated memory is still 88.1MB. Free memory was 66.7MB in the beginning and 64.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:17:03,394 INFO L158 Benchmark]: Boogie Preprocessor took 76.05ms. Allocated memory is still 88.1MB. Free memory was 64.3MB in the beginning and 62.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:17:03,395 INFO L158 Benchmark]: RCFGBuilder took 1068.87ms. Allocated memory is still 88.1MB. Free memory was 62.2MB in the beginning and 44.7MB in the end (delta: 17.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-24 22:17:03,396 INFO L158 Benchmark]: CodeCheck took 14.21ms. Allocated memory is still 88.1MB. Free memory was 44.7MB in the beginning and 43.9MB in the end (delta: 856.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:17:03,400 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 71.3MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 425.08ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 46.9MB in the beginning and 66.7MB in the end (delta: -19.8MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.36ms. Allocated memory is still 88.1MB. Free memory was 66.7MB in the beginning and 64.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.05ms. Allocated memory is still 88.1MB. Free memory was 64.3MB in the beginning and 62.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1068.87ms. Allocated memory is still 88.1MB. Free memory was 62.2MB in the beginning and 44.7MB in the end (delta: 17.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 14.21ms. Allocated memory is still 88.1MB. Free memory was 44.7MB in the beginning and 43.9MB in the end (delta: 856.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:17:03,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd91c718-b045-48cb-8dd9-72227e4129c2/bin/ukojak-verify-afCqCEvfdi/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: Concurrent programs are currently unsupported