./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/stack_longest-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_9928078e-d59e-4206-95c0-2cba49b0cfab/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9928078e-d59e-4206-95c0-2cba49b0cfab/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_9928078e-d59e-4206-95c0-2cba49b0cfab/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9928078e-d59e-4206-95c0-2cba49b0cfab/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9928078e-d59e-4206-95c0-2cba49b0cfab/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9928078e-d59e-4206-95c0-2cba49b0cfab/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:18:10,750 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:18:10,834 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9928078e-d59e-4206-95c0-2cba49b0cfab/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:18:10,840 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:18:10,840 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:18:10,885 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:18:10,887 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:18:10,888 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:18:10,889 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:18:10,896 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:18:10,898 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:18:10,899 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:18:10,899 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:18:10,900 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:18:10,900 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:18:10,902 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:18:10,902 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:18:10,903 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:18:10,903 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:18:10,903 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:18:10,903 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:18:10,904 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:18:10,905 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:18:10,905 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:18:10,906 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:18:10,907 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:18:10,908 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:18:10,908 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:18:10,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:10,910 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:18:10,911 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:18:10,911 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:18:10,912 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:18:10,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:18:10,913 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:18:10,913 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_9928078e-d59e-4206-95c0-2cba49b0cfab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9928078e-d59e-4206-95c0-2cba49b0cfab/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2023-11-24 22:18:11,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:18:11,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:18:11,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:18:11,302 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:18:11,302 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:18:11,304 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9928078e-d59e-4206-95c0-2cba49b0cfab/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread/stack_longest-2.i [2023-11-24 22:18:14,548 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:18:14,847 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:18:14,848 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9928078e-d59e-4206-95c0-2cba49b0cfab/sv-benchmarks/c/pthread/stack_longest-2.i [2023-11-24 22:18:14,877 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9928078e-d59e-4206-95c0-2cba49b0cfab/bin/ukojak-verify-afCqCEvfdi/data/488b62660/713a5cce24bf49d399f7fcfb590b8d95/FLAGb6854b123 [2023-11-24 22:18:14,895 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9928078e-d59e-4206-95c0-2cba49b0cfab/bin/ukojak-verify-afCqCEvfdi/data/488b62660/713a5cce24bf49d399f7fcfb590b8d95 [2023-11-24 22:18:14,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:18:14,902 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:18:14,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:14,903 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:18:14,915 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:18:14,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:14" (1/1) ... [2023-11-24 22:18:14,917 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48f88db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:14, skipping insertion in model container [2023-11-24 22:18:14,917 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:14" (1/1) ... [2023-11-24 22:18:14,964 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:18:15,477 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:15,495 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:18:15,562 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:15,647 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:18:15,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:15 WrapperNode [2023-11-24 22:18:15,648 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:15,649 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:15,649 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:18:15,650 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:18:15,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:15" (1/1) ... [2023-11-24 22:18:15,699 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:15" (1/1) ... [2023-11-24 22:18:15,729 INFO L138 Inliner]: procedures = 278, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 157 [2023-11-24 22:18:15,730 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:15,731 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:18:15,731 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:18:15,731 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:18:15,741 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:15" (1/1) ... [2023-11-24 22:18:15,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:15" (1/1) ... [2023-11-24 22:18:15,745 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:15" (1/1) ... [2023-11-24 22:18:15,746 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:15" (1/1) ... [2023-11-24 22:18:15,758 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:15" (1/1) ... [2023-11-24 22:18:15,762 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:15" (1/1) ... [2023-11-24 22:18:15,767 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:15" (1/1) ... [2023-11-24 22:18:15,769 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:15" (1/1) ... [2023-11-24 22:18:15,773 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:18:15,775 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:18:15,775 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:18:15,775 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:18:15,776 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:15" (1/1) ... [2023-11-24 22:18:15,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:15,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9928078e-d59e-4206-95c0-2cba49b0cfab/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:18:15,822 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9928078e-d59e-4206-95c0-2cba49b0cfab/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:18:15,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9928078e-d59e-4206-95c0-2cba49b0cfab/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:18:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-24 22:18:15,873 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-24 22:18:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-24 22:18:15,874 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-24 22:18:15,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:18:15,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:18:15,875 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-24 22:18:15,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:18:15,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:18:15,876 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-24 22:18:15,876 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-24 22:18:15,876 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-24 22:18:15,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:18:15,878 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-24 22:18:15,878 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-24 22:18:15,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:18:15,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:18:15,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:18:15,880 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 22:18:16,097 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:18:16,103 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:18:16,409 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:18:16,465 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:18:16,465 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:18:16,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:16 BoogieIcfgContainer [2023-11-24 22:18:16,467 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:18:16,468 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:18:16,468 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:18:16,487 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:18:16,487 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:16" (1/1) ... [2023-11-24 22:18:16,488 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 22:18:16,492 INFO L158 Benchmark]: Toolchain (without parser) took 1589.68ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 86.1MB in the beginning and 98.1MB in the end (delta: -12.1MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2023-11-24 22:18:16,493 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 125.8MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:18:16,494 INFO L158 Benchmark]: CACSL2BoogieTranslator took 745.13ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 85.7MB in the beginning and 118.8MB in the end (delta: -33.1MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2023-11-24 22:18:16,494 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.15ms. Allocated memory is still 151.0MB. Free memory was 118.8MB in the beginning and 121.2MB in the end (delta: -2.4MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2023-11-24 22:18:16,495 INFO L158 Benchmark]: Boogie Preprocessor took 42.91ms. Allocated memory is still 151.0MB. Free memory was 121.2MB in the beginning and 119.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:18:16,496 INFO L158 Benchmark]: RCFGBuilder took 692.77ms. Allocated memory is still 151.0MB. Free memory was 119.1MB in the beginning and 98.7MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 22:18:16,496 INFO L158 Benchmark]: CodeCheck took 22.46ms. Allocated memory is still 151.0MB. Free memory was 98.7MB in the beginning and 98.1MB in the end (delta: 521.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:18:16,501 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 0.34ms. Allocated memory is still 125.8MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 745.13ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 85.7MB in the beginning and 118.8MB in the end (delta: -33.1MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.15ms. Allocated memory is still 151.0MB. Free memory was 118.8MB in the beginning and 121.2MB in the end (delta: -2.4MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.91ms. Allocated memory is still 151.0MB. Free memory was 121.2MB in the beginning and 119.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 692.77ms. Allocated memory is still 151.0MB. Free memory was 119.1MB in the beginning and 98.7MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 22.46ms. Allocated memory is still 151.0MB. Free memory was 98.7MB in the beginning and 98.1MB in the end (delta: 521.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:18:16,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9928078e-d59e-4206-95c0-2cba49b0cfab/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_9928078e-d59e-4206-95c0-2cba49b0cfab/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9928078e-d59e-4206-95c0-2cba49b0cfab/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_9928078e-d59e-4206-95c0-2cba49b0cfab/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9928078e-d59e-4206-95c0-2cba49b0cfab/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9928078e-d59e-4206-95c0-2cba49b0cfab/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9928078e-d59e-4206-95c0-2cba49b0cfab/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:18:19,280 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:18:19,409 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9928078e-d59e-4206-95c0-2cba49b0cfab/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-24 22:18:19,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:18:19,483 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:18:19,484 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:18:19,485 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:18:19,486 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:18:19,487 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:18:19,493 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:18:19,493 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:18:19,494 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:18:19,494 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:18:19,496 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:18:19,496 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:18:19,497 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:18:19,497 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:18:19,498 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:18:19,498 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:18:19,499 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:18:19,499 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:18:19,500 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:18:19,500 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:18:19,501 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:18:19,501 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:18:19,501 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:18:19,502 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:18:19,502 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:18:19,503 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:18:19,503 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:18:19,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:19,505 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:18:19,505 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:18:19,506 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:18:19,506 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:18:19,506 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:18:19,506 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:18:19,507 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:18:19,507 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:18:19,508 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_9928078e-d59e-4206-95c0-2cba49b0cfab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9928078e-d59e-4206-95c0-2cba49b0cfab/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2023-11-24 22:18:19,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:18:19,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:18:19,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:18:19,980 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:18:19,980 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:18:19,982 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9928078e-d59e-4206-95c0-2cba49b0cfab/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread/stack_longest-2.i [2023-11-24 22:18:23,157 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:18:23,531 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:18:23,532 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9928078e-d59e-4206-95c0-2cba49b0cfab/sv-benchmarks/c/pthread/stack_longest-2.i [2023-11-24 22:18:23,567 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9928078e-d59e-4206-95c0-2cba49b0cfab/bin/ukojak-verify-afCqCEvfdi/data/7192bd7d2/7e0c037229754922ad3e7ad915a89d09/FLAGc0c9dbaf0 [2023-11-24 22:18:23,587 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9928078e-d59e-4206-95c0-2cba49b0cfab/bin/ukojak-verify-afCqCEvfdi/data/7192bd7d2/7e0c037229754922ad3e7ad915a89d09 [2023-11-24 22:18:23,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:18:23,591 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:18:23,593 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:23,593 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:18:23,598 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:18:23,599 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:23" (1/1) ... [2023-11-24 22:18:23,600 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ddc6b07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:23, skipping insertion in model container [2023-11-24 22:18:23,600 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:18:23" (1/1) ... [2023-11-24 22:18:23,659 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:18:24,241 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:24,269 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:18:24,407 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:18:24,505 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:18:24,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:24 WrapperNode [2023-11-24 22:18:24,506 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:18:24,507 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:24,508 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:18:24,508 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:18:24,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:24" (1/1) ... [2023-11-24 22:18:24,541 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:24" (1/1) ... [2023-11-24 22:18:24,571 INFO L138 Inliner]: procedures = 282, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 154 [2023-11-24 22:18:24,571 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:18:24,572 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:18:24,572 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:18:24,573 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:18:24,581 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:24" (1/1) ... [2023-11-24 22:18:24,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:24" (1/1) ... [2023-11-24 22:18:24,587 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:24" (1/1) ... [2023-11-24 22:18:24,588 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:24" (1/1) ... [2023-11-24 22:18:24,600 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:24" (1/1) ... [2023-11-24 22:18:24,604 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:24" (1/1) ... [2023-11-24 22:18:24,608 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:24" (1/1) ... [2023-11-24 22:18:24,611 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:24" (1/1) ... [2023-11-24 22:18:24,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:18:24,617 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:18:24,617 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:18:24,618 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:18:24,618 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:18:24" (1/1) ... [2023-11-24 22:18:24,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:18:24,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9928078e-d59e-4206-95c0-2cba49b0cfab/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:18:24,655 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9928078e-d59e-4206-95c0-2cba49b0cfab/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:18:24,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9928078e-d59e-4206-95c0-2cba49b0cfab/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:18:24,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:18:24,691 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-24 22:18:24,691 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-24 22:18:24,691 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-24 22:18:24,691 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-24 22:18:24,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:18:24,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:18:24,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:18:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:18:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-24 22:18:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-24 22:18:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-24 22:18:24,692 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-24 22:18:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-24 22:18:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:18:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-24 22:18:24,693 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-24 22:18:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:18:24,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:18:24,695 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 22:18:24,875 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:18:24,877 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:18:25,288 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:18:25,315 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:18:25,315 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:18:25,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:25 BoogieIcfgContainer [2023-11-24 22:18:25,317 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:18:25,318 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:18:25,318 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:18:25,329 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:18:25,329 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:18:25" (1/1) ... [2023-11-24 22:18:25,330 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 22:18:25,335 INFO L158 Benchmark]: Toolchain (without parser) took 1742.53ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 47.4MB in the beginning and 56.1MB in the end (delta: -8.7MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2023-11-24 22:18:25,335 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 73.4MB. Free memory was 48.7MB in the beginning and 48.6MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:18:25,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 913.93ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 47.2MB in the beginning and 52.5MB in the end (delta: -5.3MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2023-11-24 22:18:25,337 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.20ms. Allocated memory is still 90.2MB. Free memory was 52.0MB in the beginning and 49.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:18:25,338 INFO L158 Benchmark]: Boogie Preprocessor took 44.29ms. Allocated memory is still 90.2MB. Free memory was 49.5MB in the beginning and 47.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:18:25,339 INFO L158 Benchmark]: RCFGBuilder took 700.04ms. Allocated memory is still 90.2MB. Free memory was 47.0MB in the beginning and 57.2MB in the end (delta: -10.2MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2023-11-24 22:18:25,339 INFO L158 Benchmark]: CodeCheck took 14.68ms. Allocated memory is still 90.2MB. Free memory was 57.2MB in the beginning and 56.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:18:25,343 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 0.24ms. Allocated memory is still 73.4MB. Free memory was 48.7MB in the beginning and 48.6MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 913.93ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 47.2MB in the beginning and 52.5MB in the end (delta: -5.3MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.20ms. Allocated memory is still 90.2MB. Free memory was 52.0MB in the beginning and 49.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.29ms. Allocated memory is still 90.2MB. Free memory was 49.5MB in the beginning and 47.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 700.04ms. Allocated memory is still 90.2MB. Free memory was 47.0MB in the beginning and 57.2MB in the end (delta: -10.2MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * CodeCheck took 14.68ms. Allocated memory is still 90.2MB. Free memory was 57.2MB in the beginning and 56.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:18:25,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9928078e-d59e-4206-95c0-2cba49b0cfab/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported