./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/fibonacci.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/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_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/fibonacci.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 115f061be4541a19227bc1624a8b38d08b679b43ee58fd41d4a05fa6a8fd007e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:52:15,821 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:52:15,924 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:52:15,930 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:52:15,931 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:52:15,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:52:15,964 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:52:15,965 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:52:15,966 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:52:15,967 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:52:15,967 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:52:15,968 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:52:15,969 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:52:15,970 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:52:15,970 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:52:15,971 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:52:15,972 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:52:15,972 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:52:15,973 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:52:15,975 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:52:15,975 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:52:15,976 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:52:15,977 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:52:15,977 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:52:15,978 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:52:15,978 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:52:15,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:15,979 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:52:15,980 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:52:15,980 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:52:15,981 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:52:15,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:52:15,982 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:52:15,982 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_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115f061be4541a19227bc1624a8b38d08b679b43ee58fd41d4a05fa6a8fd007e [2023-11-24 22:52:16,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:52:16,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:52:16,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:52:16,412 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:52:16,413 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:52:16,414 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/fibonacci.wvr.c [2023-11-24 22:52:19,624 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:52:19,911 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:52:19,912 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/sv-benchmarks/c/weaver/fibonacci.wvr.c [2023-11-24 22:52:19,920 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/bin/ukojak-verify-afCqCEvfdi/data/c41236683/caba22697a4e4f2fa33e41847d8031b7/FLAG4a1a92416 [2023-11-24 22:52:19,934 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/bin/ukojak-verify-afCqCEvfdi/data/c41236683/caba22697a4e4f2fa33e41847d8031b7 [2023-11-24 22:52:19,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:52:19,938 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:52:19,940 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:19,940 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:52:19,946 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:52:19,947 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:19" (1/1) ... [2023-11-24 22:52:19,948 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bd5c63b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:19, skipping insertion in model container [2023-11-24 22:52:19,949 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:19" (1/1) ... [2023-11-24 22:52:19,980 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:52:20,171 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/sv-benchmarks/c/weaver/fibonacci.wvr.c[2356,2369] [2023-11-24 22:52:20,190 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:20,202 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:52:20,224 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/sv-benchmarks/c/weaver/fibonacci.wvr.c[2356,2369] [2023-11-24 22:52:20,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:20,245 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:52:20,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:20 WrapperNode [2023-11-24 22:52:20,246 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:20,247 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:20,247 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:52:20,248 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:52:20,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:20" (1/1) ... [2023-11-24 22:52:20,263 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:20" (1/1) ... [2023-11-24 22:52:20,285 INFO L138 Inliner]: procedures = 23, calls = 28, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 76 [2023-11-24 22:52:20,285 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:20,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:52:20,286 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:52:20,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:52:20,295 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:20" (1/1) ... [2023-11-24 22:52:20,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:20" (1/1) ... [2023-11-24 22:52:20,299 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:20" (1/1) ... [2023-11-24 22:52:20,299 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:20" (1/1) ... [2023-11-24 22:52:20,306 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:20" (1/1) ... [2023-11-24 22:52:20,310 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:20" (1/1) ... [2023-11-24 22:52:20,314 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:20" (1/1) ... [2023-11-24 22:52:20,315 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:20" (1/1) ... [2023-11-24 22:52:20,318 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:52:20,319 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:52:20,319 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:52:20,320 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:52:20,320 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:20" (1/1) ... [2023-11-24 22:52:20,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:20,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:52:20,357 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:52:20,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:52:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-11-24 22:52:20,430 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-11-24 22:52:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:52:20,431 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:52:20,431 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:52:20,432 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:52:20,432 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:52:20,432 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:52:20,433 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:52:20,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:52:20,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:52:20,434 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-24 22:52:20,434 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-24 22:52:20,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:52:20,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:52:20,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:52:20,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:52:20,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:52:20,437 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 22:52:20,546 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:52:20,548 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:52:20,820 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:52:20,835 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:52:20,835 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:52:20,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:20 BoogieIcfgContainer [2023-11-24 22:52:20,837 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:52:20,838 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:52:20,838 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:52:20,851 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:52:20,851 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:20" (1/1) ... [2023-11-24 22:52:20,852 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 22:52:20,862 INFO L158 Benchmark]: Toolchain (without parser) took 921.91ms. Allocated memory was 132.1MB in the beginning and 201.3MB in the end (delta: 69.2MB). Free memory was 71.1MB in the beginning and 151.0MB in the end (delta: -79.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:52:20,863 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory is still 107.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:52:20,864 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.67ms. Allocated memory was 132.1MB in the beginning and 201.3MB in the end (delta: 69.2MB). Free memory was 70.9MB in the beginning and 170.8MB in the end (delta: -99.9MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2023-11-24 22:52:20,865 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.22ms. Allocated memory is still 201.3MB. Free memory was 170.8MB in the beginning and 169.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:52:20,867 INFO L158 Benchmark]: Boogie Preprocessor took 32.49ms. Allocated memory is still 201.3MB. Free memory was 169.7MB in the beginning and 167.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:52:20,868 INFO L158 Benchmark]: RCFGBuilder took 518.06ms. Allocated memory is still 201.3MB. Free memory was 167.8MB in the beginning and 152.0MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 22:52:20,869 INFO L158 Benchmark]: CodeCheck took 20.99ms. Allocated memory is still 201.3MB. Free memory was 152.0MB in the beginning and 151.0MB in the end (delta: 985.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:52:20,872 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 0.31ms. Allocated memory is still 132.1MB. Free memory is still 107.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.67ms. Allocated memory was 132.1MB in the beginning and 201.3MB in the end (delta: 69.2MB). Free memory was 70.9MB in the beginning and 170.8MB in the end (delta: -99.9MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.22ms. Allocated memory is still 201.3MB. Free memory was 170.8MB in the beginning and 169.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.49ms. Allocated memory is still 201.3MB. Free memory was 169.7MB in the beginning and 167.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 518.06ms. Allocated memory is still 201.3MB. Free memory was 167.8MB in the beginning and 152.0MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 20.99ms. Allocated memory is still 201.3MB. Free memory was 152.0MB in the beginning and 151.0MB in the end (delta: 985.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:52:20,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/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_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/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_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/fibonacci.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 115f061be4541a19227bc1624a8b38d08b679b43ee58fd41d4a05fa6a8fd007e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:52:23,822 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:52:23,904 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:52:23,955 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:52:23,957 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:52:23,958 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:52:23,959 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:52:23,960 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:52:23,961 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:52:23,967 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:52:23,967 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:52:23,968 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:52:23,969 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:52:23,970 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:52:23,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:52:23,972 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:52:23,972 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:52:23,973 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:52:23,973 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:52:23,975 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:52:23,975 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:52:23,976 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:52:23,977 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:52:23,977 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:52:23,978 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:52:23,978 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:52:23,979 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:52:23,979 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:52:23,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:23,981 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:52:23,982 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:52:23,983 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:52:23,983 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:52:23,984 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:52:23,984 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:52:23,984 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:52:23,985 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:52:23,985 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_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115f061be4541a19227bc1624a8b38d08b679b43ee58fd41d4a05fa6a8fd007e [2023-11-24 22:52:24,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:52:24,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:52:24,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:52:24,487 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:52:24,488 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:52:24,490 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/fibonacci.wvr.c [2023-11-24 22:52:27,668 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:52:27,981 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:52:27,982 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/sv-benchmarks/c/weaver/fibonacci.wvr.c [2023-11-24 22:52:27,991 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/bin/ukojak-verify-afCqCEvfdi/data/40190d32a/153cb2bd223145ed97573eb6668d0835/FLAG495c5f716 [2023-11-24 22:52:28,009 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/bin/ukojak-verify-afCqCEvfdi/data/40190d32a/153cb2bd223145ed97573eb6668d0835 [2023-11-24 22:52:28,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:52:28,014 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:52:28,016 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:28,016 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:52:28,021 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:52:28,022 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:28,023 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@80af631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28, skipping insertion in model container [2023-11-24 22:52:28,023 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:28,054 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:52:28,242 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/sv-benchmarks/c/weaver/fibonacci.wvr.c[2356,2369] [2023-11-24 22:52:28,263 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:28,281 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:52:28,330 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/sv-benchmarks/c/weaver/fibonacci.wvr.c[2356,2369] [2023-11-24 22:52:28,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:28,360 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:52:28,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28 WrapperNode [2023-11-24 22:52:28,361 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:28,363 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:28,363 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:52:28,363 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:52:28,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:28,398 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:28,432 INFO L138 Inliner]: procedures = 25, calls = 28, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 69 [2023-11-24 22:52:28,433 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:28,434 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:52:28,434 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:52:28,434 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:52:28,446 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:28,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:28,453 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:28,453 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:28,464 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:28,480 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:28,482 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:28,491 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:28,495 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:52:28,500 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:52:28,500 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:52:28,500 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:52:28,501 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:28,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:28,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:52:28,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:52:28,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:52:28,609 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-11-24 22:52:28,610 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-11-24 22:52:28,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:52:28,611 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:52:28,611 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:52:28,611 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:52:28,612 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:52:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:52:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:52:28,612 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:52:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:52:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-24 22:52:28,613 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-24 22:52:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:52:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:52:28,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:52:28,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:52:28,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:52:28,617 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 22:52:28,791 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:52:28,794 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:52:29,089 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:52:29,102 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:52:29,103 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:52:29,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:29 BoogieIcfgContainer [2023-11-24 22:52:29,105 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:52:29,106 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:52:29,106 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:52:29,117 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:52:29,117 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:29" (1/1) ... [2023-11-24 22:52:29,118 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 22:52:29,123 INFO L158 Benchmark]: Toolchain (without parser) took 1108.16ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 49.1MB in the end (delta: 11.2MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2023-11-24 22:52:29,123 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 60.8MB. Free memory was 37.2MB in the beginning and 37.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:52:29,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.62ms. Allocated memory is still 83.9MB. Free memory was 60.1MB in the beginning and 48.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:52:29,125 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.38ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 46.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:52:29,126 INFO L158 Benchmark]: Boogie Preprocessor took 65.25ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 44.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:52:29,127 INFO L158 Benchmark]: RCFGBuilder took 605.21ms. Allocated memory is still 83.9MB. Free memory was 44.8MB in the beginning and 50.0MB in the end (delta: -5.3MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2023-11-24 22:52:29,127 INFO L158 Benchmark]: CodeCheck took 15.07ms. Allocated memory is still 83.9MB. Free memory was 50.0MB in the beginning and 49.1MB in the end (delta: 893.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:52:29,132 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 0.35ms. Allocated memory is still 60.8MB. Free memory was 37.2MB in the beginning and 37.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.62ms. Allocated memory is still 83.9MB. Free memory was 60.1MB in the beginning and 48.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.38ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 46.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.25ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 44.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 605.21ms. Allocated memory is still 83.9MB. Free memory was 44.8MB in the beginning and 50.0MB in the end (delta: -5.3MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * CodeCheck took 15.07ms. Allocated memory is still 83.9MB. Free memory was 50.0MB in the beginning and 49.1MB in the end (delta: 893.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:52:29,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a36e8fd-1359-48a8-ac71-eb4a9c287c7f/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