./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff 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_61b907c5-641d-42ee-b4c6-7babbda7912f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b907c5-641d-42ee-b4c6-7babbda7912f/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b907c5-641d-42ee-b4c6-7babbda7912f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b907c5-641d-42ee-b4c6-7babbda7912f/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b907c5-641d-42ee-b4c6-7babbda7912f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b907c5-641d-42ee-b4c6-7babbda7912f/bin/ukojak-verify-G8NBE6pJGL --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 b81cf2d80bc77dedaac253250be737ceaa09f6e691f026864fe6fd5cb48c2489 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:37:06,842 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:37:06,921 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b907c5-641d-42ee-b4c6-7babbda7912f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:37:06,926 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:37:06,927 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:37:06,953 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:37:06,954 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:37:06,955 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:37:06,956 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:37:06,956 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:37:06,957 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:37:06,957 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:37:06,958 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:37:06,958 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:37:06,959 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:37:06,959 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:37:06,960 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:37:06,960 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:37:06,961 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:37:06,961 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:37:06,962 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:37:06,965 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:37:06,966 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:37:06,966 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:37:06,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:37:06,967 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:37:06,967 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:37:06,968 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:37:06,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:37:06,969 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_61b907c5-641d-42ee-b4c6-7babbda7912f/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b907c5-641d-42ee-b4c6-7babbda7912f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b81cf2d80bc77dedaac253250be737ceaa09f6e691f026864fe6fd5cb48c2489 [2023-11-19 03:37:07,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:37:07,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:37:07,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:37:07,333 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:37:07,334 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:37:07,335 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b907c5-641d-42ee-b4c6-7babbda7912f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c [2023-11-19 03:37:10,631 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:37:10,892 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:37:10,893 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b907c5-641d-42ee-b4c6-7babbda7912f/sv-benchmarks/c/weaver/popl20-mult-4.wvr.c [2023-11-19 03:37:10,903 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b907c5-641d-42ee-b4c6-7babbda7912f/bin/ukojak-verify-G8NBE6pJGL/data/d772ea885/91d5bf72c18546f68a8c685d0489ae4e/FLAG7b45a0373 [2023-11-19 03:37:10,919 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b907c5-641d-42ee-b4c6-7babbda7912f/bin/ukojak-verify-G8NBE6pJGL/data/d772ea885/91d5bf72c18546f68a8c685d0489ae4e [2023-11-19 03:37:10,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:37:10,923 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:37:10,925 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:37:10,925 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:37:10,933 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:37:10,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:37:10" (1/1) ... [2023-11-19 03:37:10,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c88492 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:10, skipping insertion in model container [2023-11-19 03:37:10,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:37:10" (1/1) ... [2023-11-19 03:37:10,976 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:37:11,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:37:11,202 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:37:11,242 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:37:11,252 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:37:11,252 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:37:11,258 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:37:11,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:11 WrapperNode [2023-11-19 03:37:11,259 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:37:11,260 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:37:11,260 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:37:11,260 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:37:11,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:11" (1/1) ... [2023-11-19 03:37:11,277 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:11" (1/1) ... [2023-11-19 03:37:11,306 INFO L138 Inliner]: procedures = 23, calls = 43, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 124 [2023-11-19 03:37:11,307 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:37:11,308 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:37:11,308 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:37:11,308 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:37:11,317 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:11" (1/1) ... [2023-11-19 03:37:11,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:11" (1/1) ... [2023-11-19 03:37:11,321 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:11" (1/1) ... [2023-11-19 03:37:11,322 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:11" (1/1) ... [2023-11-19 03:37:11,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:11" (1/1) ... [2023-11-19 03:37:11,335 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:11" (1/1) ... [2023-11-19 03:37:11,338 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:11" (1/1) ... [2023-11-19 03:37:11,340 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:11" (1/1) ... [2023-11-19 03:37:11,344 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:37:11,345 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:37:11,345 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:37:11,345 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:37:11,346 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:11" (1/1) ... [2023-11-19 03:37:11,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:37:11,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b907c5-641d-42ee-b4c6-7babbda7912f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:37:11,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b907c5-641d-42ee-b4c6-7babbda7912f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:37:11,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b907c5-641d-42ee-b4c6-7babbda7912f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:37:11,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:37:11,420 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:37:11,420 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:37:11,420 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:37:11,420 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:37:11,421 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:37:11,421 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:37:11,421 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 03:37:11,421 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 03:37:11,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:37:11,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:37:11,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:37:11,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:37:11,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:37:11,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:37:11,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:37:11,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:37:11,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:37:11,425 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:37:11,545 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:37:11,548 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:37:11,973 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:37:12,059 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:37:12,063 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 03:37:12,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:37:12 BoogieIcfgContainer [2023-11-19 03:37:12,068 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:37:12,069 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:37:12,069 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:37:12,080 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:37:12,080 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:37:12" (1/1) ... [2023-11-19 03:37:12,081 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) [2023-11-19 03:37:12,085 INFO L158 Benchmark]: Toolchain (without parser) took 1160.85ms. Allocated memory is still 134.2MB. Free memory was 102.8MB in the beginning and 65.6MB in the end (delta: 37.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-19 03:37:12,086 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 134.2MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:37:12,086 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.41ms. Allocated memory is still 134.2MB. Free memory was 102.8MB in the beginning and 90.8MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:37:12,087 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.95ms. Allocated memory is still 134.2MB. Free memory was 90.8MB in the beginning and 89.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:37:12,088 INFO L158 Benchmark]: Boogie Preprocessor took 36.36ms. Allocated memory is still 134.2MB. Free memory was 89.2MB in the beginning and 87.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:37:12,089 INFO L158 Benchmark]: RCFGBuilder took 723.72ms. Allocated memory is still 134.2MB. Free memory was 87.2MB in the beginning and 66.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 03:37:12,090 INFO L158 Benchmark]: CodeCheck took 14.18ms. Allocated memory is still 134.2MB. Free memory was 66.3MB in the beginning and 65.6MB in the end (delta: 661.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:37:12,093 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 0.37ms. Allocated memory is still 134.2MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.41ms. Allocated memory is still 134.2MB. Free memory was 102.8MB in the beginning and 90.8MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.95ms. Allocated memory is still 134.2MB. Free memory was 90.8MB in the beginning and 89.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.36ms. Allocated memory is still 134.2MB. Free memory was 89.2MB in the beginning and 87.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 723.72ms. Allocated memory is still 134.2MB. Free memory was 87.2MB in the beginning and 66.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 14.18ms. Allocated memory is still 134.2MB. Free memory was 66.3MB in the beginning and 65.6MB in the end (delta: 661.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:37:12,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b907c5-641d-42ee-b4c6-7babbda7912f/bin/ukojak-verify-G8NBE6pJGL/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b907c5-641d-42ee-b4c6-7babbda7912f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b907c5-641d-42ee-b4c6-7babbda7912f/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b907c5-641d-42ee-b4c6-7babbda7912f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b907c5-641d-42ee-b4c6-7babbda7912f/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b907c5-641d-42ee-b4c6-7babbda7912f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b907c5-641d-42ee-b4c6-7babbda7912f/bin/ukojak-verify-G8NBE6pJGL --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 b81cf2d80bc77dedaac253250be737ceaa09f6e691f026864fe6fd5cb48c2489 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:37:14,965 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:37:15,074 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b907c5-641d-42ee-b4c6-7babbda7912f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 03:37:15,124 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:37:15,126 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:37:15,127 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:37:15,127 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:37:15,128 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:37:15,129 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:37:15,134 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:37:15,134 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:37:15,135 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:37:15,135 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:37:15,137 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:37:15,137 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:37:15,138 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:37:15,138 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:37:15,139 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:37:15,139 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:37:15,140 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:37:15,141 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:37:15,141 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:37:15,142 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:37:15,142 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:37:15,143 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:37:15,143 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:37:15,144 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:37:15,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:37:15,145 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:37:15,146 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:37:15,147 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:37:15,147 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:37:15,148 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:37:15,148 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:37:15,149 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_61b907c5-641d-42ee-b4c6-7babbda7912f/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b907c5-641d-42ee-b4c6-7babbda7912f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b81cf2d80bc77dedaac253250be737ceaa09f6e691f026864fe6fd5cb48c2489 [2023-11-19 03:37:15,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:37:15,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:37:15,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:37:15,617 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:37:15,617 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:37:15,619 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b907c5-641d-42ee-b4c6-7babbda7912f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-mult-4.wvr.c [2023-11-19 03:37:18,863 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:37:19,175 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:37:19,176 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b907c5-641d-42ee-b4c6-7babbda7912f/sv-benchmarks/c/weaver/popl20-mult-4.wvr.c [2023-11-19 03:37:19,186 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b907c5-641d-42ee-b4c6-7babbda7912f/bin/ukojak-verify-G8NBE6pJGL/data/814e85187/9a9a21a9de0c48af8b874340fa5d3c06/FLAG7e7a67f87 [2023-11-19 03:37:19,212 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b907c5-641d-42ee-b4c6-7babbda7912f/bin/ukojak-verify-G8NBE6pJGL/data/814e85187/9a9a21a9de0c48af8b874340fa5d3c06 [2023-11-19 03:37:19,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:37:19,220 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:37:19,224 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:37:19,224 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:37:19,228 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:37:19,229 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:37:19" (1/1) ... [2023-11-19 03:37:19,230 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@645518c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:19, skipping insertion in model container [2023-11-19 03:37:19,230 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:37:19" (1/1) ... [2023-11-19 03:37:19,262 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:37:19,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:37:19,480 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:37:19,509 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:37:19,522 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:37:19,522 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:37:19,553 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:37:19,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:19 WrapperNode [2023-11-19 03:37:19,554 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:37:19,555 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:37:19,555 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:37:19,556 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:37:19,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:19" (1/1) ... [2023-11-19 03:37:19,607 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:19" (1/1) ... [2023-11-19 03:37:19,650 INFO L138 Inliner]: procedures = 25, calls = 43, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 124 [2023-11-19 03:37:19,651 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:37:19,652 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:37:19,652 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:37:19,652 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:37:19,666 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:19" (1/1) ... [2023-11-19 03:37:19,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:19" (1/1) ... [2023-11-19 03:37:19,696 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:19" (1/1) ... [2023-11-19 03:37:19,696 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:19" (1/1) ... [2023-11-19 03:37:19,706 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:19" (1/1) ... [2023-11-19 03:37:19,721 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:19" (1/1) ... [2023-11-19 03:37:19,724 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:19" (1/1) ... [2023-11-19 03:37:19,726 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:19" (1/1) ... [2023-11-19 03:37:19,730 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:37:19,747 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:37:19,748 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:37:19,748 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:37:19,749 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:19" (1/1) ... [2023-11-19 03:37:19,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:37:19,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b907c5-641d-42ee-b4c6-7babbda7912f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:37:19,789 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b907c5-641d-42ee-b4c6-7babbda7912f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:37:19,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b907c5-641d-42ee-b4c6-7babbda7912f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:37:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:37:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:37:19,836 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:37:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:37:19,838 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:37:19,839 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:37:19,839 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:37:19,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:37:19,839 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 03:37:19,840 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 03:37:19,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:37:19,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:37:19,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:37:19,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:37:19,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:37:19,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:37:19,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:37:19,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:37:19,843 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:37:19,986 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:37:19,989 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:37:20,492 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:37:20,559 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:37:20,560 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 03:37:20,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:37:20 BoogieIcfgContainer [2023-11-19 03:37:20,565 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:37:20,566 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:37:20,566 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:37:20,579 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:37:20,579 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:37:20" (1/1) ... [2023-11-19 03:37:20,580 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) [2023-11-19 03:37:20,585 INFO L158 Benchmark]: Toolchain (without parser) took 1363.67ms. Allocated memory was 69.2MB in the beginning and 102.8MB in the end (delta: 33.6MB). Free memory was 45.5MB in the beginning and 54.2MB in the end (delta: -8.8MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2023-11-19 03:37:20,586 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 69.2MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:37:20,587 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.82ms. Allocated memory was 69.2MB in the beginning and 102.8MB in the end (delta: 33.6MB). Free memory was 45.3MB in the beginning and 82.3MB in the end (delta: -37.0MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2023-11-19 03:37:20,588 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.03ms. Allocated memory is still 102.8MB. Free memory was 82.3MB in the beginning and 80.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:37:20,588 INFO L158 Benchmark]: Boogie Preprocessor took 78.65ms. Allocated memory is still 102.8MB. Free memory was 80.3MB in the beginning and 78.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:37:20,589 INFO L158 Benchmark]: RCFGBuilder took 817.74ms. Allocated memory is still 102.8MB. Free memory was 78.6MB in the beginning and 55.6MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 03:37:20,590 INFO L158 Benchmark]: CodeCheck took 16.81ms. Allocated memory is still 102.8MB. Free memory was 55.6MB in the beginning and 54.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:37:20,594 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 0.74ms. Allocated memory is still 69.2MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.82ms. Allocated memory was 69.2MB in the beginning and 102.8MB in the end (delta: 33.6MB). Free memory was 45.3MB in the beginning and 82.3MB in the end (delta: -37.0MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.03ms. Allocated memory is still 102.8MB. Free memory was 82.3MB in the beginning and 80.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.65ms. Allocated memory is still 102.8MB. Free memory was 80.3MB in the beginning and 78.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 817.74ms. Allocated memory is still 102.8MB. Free memory was 78.6MB in the beginning and 55.6MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 16.81ms. Allocated memory is still 102.8MB. Free memory was 55.6MB in the beginning and 54.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:37:20,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61b907c5-641d-42ee-b4c6-7babbda7912f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported