./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/queue_longest.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9625f94e-b906-4d8b-99d0-f5931286c91c/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9625f94e-b906-4d8b-99d0-f5931286c91c/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9625f94e-b906-4d8b-99d0-f5931286c91c/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9625f94e-b906-4d8b-99d0-f5931286c91c/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_longest.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9625f94e-b906-4d8b-99d0-f5931286c91c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9625f94e-b906-4d8b-99d0-f5931286c91c/bin/ukojak-verify-1t5iHCbJaC --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 5fb3c623242420f3b3352ce2377df781fcc1efd56f82dd0011f9620e127821b3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:06:15,062 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:06:15,130 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9625f94e-b906-4d8b-99d0-f5931286c91c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:06:15,135 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:06:15,136 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:06:15,161 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:06:15,162 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:06:15,162 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:06:15,163 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:06:15,164 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:06:15,164 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:06:15,165 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:06:15,165 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:06:15,166 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:06:15,166 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:06:15,167 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:06:15,167 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:06:15,168 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:06:15,168 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:06:15,169 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:06:15,169 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:06:15,170 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:06:15,170 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:06:15,171 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:06:15,171 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:06:15,172 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:06:15,172 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:06:15,173 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:06:15,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:06:15,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:06:15,174 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:06:15,174 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:06:15,175 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:06:15,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:06:15,175 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:06:15,176 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_9625f94e-b906-4d8b-99d0-f5931286c91c/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9625f94e-b906-4d8b-99d0-f5931286c91c/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5fb3c623242420f3b3352ce2377df781fcc1efd56f82dd0011f9620e127821b3 [2023-11-23 20:06:15,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:06:15,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:06:15,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:06:15,436 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:06:15,436 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:06:15,438 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9625f94e-b906-4d8b-99d0-f5931286c91c/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread/queue_longest.i [2023-11-23 20:06:18,488 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:06:18,877 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:06:18,877 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9625f94e-b906-4d8b-99d0-f5931286c91c/sv-benchmarks/c/pthread/queue_longest.i [2023-11-23 20:06:18,902 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9625f94e-b906-4d8b-99d0-f5931286c91c/bin/ukojak-verify-1t5iHCbJaC/data/3e06a78ce/c3752d700bc34f368ddce3c53a99e360/FLAG347151a4a [2023-11-23 20:06:18,921 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9625f94e-b906-4d8b-99d0-f5931286c91c/bin/ukojak-verify-1t5iHCbJaC/data/3e06a78ce/c3752d700bc34f368ddce3c53a99e360 [2023-11-23 20:06:18,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:06:18,931 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:06:18,935 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:06:18,935 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:06:18,941 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:06:18,944 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:06:18" (1/1) ... [2023-11-23 20:06:18,945 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f63511c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:18, skipping insertion in model container [2023-11-23 20:06:18,945 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:06:18" (1/1) ... [2023-11-23 20:06:19,019 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:06:19,497 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:06:19,514 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:06:19,571 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:06:19,668 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:06:19,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:19 WrapperNode [2023-11-23 20:06:19,669 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:06:19,671 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:06:19,671 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:06:19,671 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:06:19,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:19" (1/1) ... [2023-11-23 20:06:19,732 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:19" (1/1) ... [2023-11-23 20:06:19,782 INFO L138 Inliner]: procedures = 275, calls = 66, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 131 [2023-11-23 20:06:19,782 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:06:19,783 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:06:19,783 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:06:19,784 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:06:19,793 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:19" (1/1) ... [2023-11-23 20:06:19,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:19" (1/1) ... [2023-11-23 20:06:19,808 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:19" (1/1) ... [2023-11-23 20:06:19,815 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:19" (1/1) ... [2023-11-23 20:06:19,825 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:19" (1/1) ... [2023-11-23 20:06:19,829 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:19" (1/1) ... [2023-11-23 20:06:19,832 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:19" (1/1) ... [2023-11-23 20:06:19,834 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:19" (1/1) ... [2023-11-23 20:06:19,857 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:06:19,858 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:06:19,858 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:06:19,858 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:06:19,859 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:19" (1/1) ... [2023-11-23 20:06:19,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:06:19,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9625f94e-b906-4d8b-99d0-f5931286c91c/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:06:19,892 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9625f94e-b906-4d8b-99d0-f5931286c91c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:06:19,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9625f94e-b906-4d8b-99d0-f5931286c91c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:06:19,938 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-23 20:06:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-23 20:06:19,939 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-23 20:06:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-23 20:06:19,940 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-23 20:06:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-23 20:06:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:06:19,941 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-11-23 20:06:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-11-23 20:06:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:06:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2023-11-23 20:06:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2023-11-23 20:06:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-23 20:06:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:06:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:06:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-23 20:06:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:06:19,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:06:19,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:06:19,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:06:19,948 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:06:20,107 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:06:20,109 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:06:20,524 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:06:20,575 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:06:20,582 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:06:20,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:06:20 BoogieIcfgContainer [2023-11-23 20:06:20,584 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:06:20,585 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:06:20,585 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:06:20,596 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:06:20,596 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:06:20" (1/1) ... [2023-11-23 20:06:20,597 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) [2023-11-23 20:06:20,615 INFO L158 Benchmark]: Toolchain (without parser) took 1682.69ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 106.6MB in the beginning and 151.8MB in the end (delta: -45.1MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2023-11-23 20:06:20,616 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 155.2MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:06:20,617 INFO L158 Benchmark]: CACSL2BoogieTranslator took 735.01ms. Allocated memory is still 155.2MB. Free memory was 106.6MB in the beginning and 76.0MB in the end (delta: 30.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-23 20:06:20,619 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.91ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 76.0MB in the beginning and 177.1MB in the end (delta: -101.0MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2023-11-23 20:06:20,620 INFO L158 Benchmark]: Boogie Preprocessor took 74.08ms. Allocated memory is still 209.7MB. Free memory was 177.1MB in the beginning and 177.9MB in the end (delta: -840.9kB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2023-11-23 20:06:20,621 INFO L158 Benchmark]: RCFGBuilder took 726.23ms. Allocated memory is still 209.7MB. Free memory was 177.9MB in the beginning and 152.7MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-23 20:06:20,622 INFO L158 Benchmark]: CodeCheck took 27.90ms. Allocated memory is still 209.7MB. Free memory was 152.7MB in the beginning and 151.8MB in the end (delta: 980.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:06:20,634 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 0.22ms. Allocated memory is still 155.2MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 735.01ms. Allocated memory is still 155.2MB. Free memory was 106.6MB in the beginning and 76.0MB in the end (delta: 30.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.91ms. Allocated memory was 155.2MB in the beginning and 209.7MB in the end (delta: 54.5MB). Free memory was 76.0MB in the beginning and 177.1MB in the end (delta: -101.0MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.08ms. Allocated memory is still 209.7MB. Free memory was 177.1MB in the beginning and 177.9MB in the end (delta: -840.9kB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * RCFGBuilder took 726.23ms. Allocated memory is still 209.7MB. Free memory was 177.9MB in the beginning and 152.7MB in the end (delta: 25.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 27.90ms. Allocated memory is still 209.7MB. Free memory was 152.7MB in the beginning and 151.8MB in the end (delta: 980.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:06:20,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9625f94e-b906-4d8b-99d0-f5931286c91c/bin/ukojak-verify-1t5iHCbJaC/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9625f94e-b906-4d8b-99d0-f5931286c91c/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9625f94e-b906-4d8b-99d0-f5931286c91c/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9625f94e-b906-4d8b-99d0-f5931286c91c/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9625f94e-b906-4d8b-99d0-f5931286c91c/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_longest.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9625f94e-b906-4d8b-99d0-f5931286c91c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9625f94e-b906-4d8b-99d0-f5931286c91c/bin/ukojak-verify-1t5iHCbJaC --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 5fb3c623242420f3b3352ce2377df781fcc1efd56f82dd0011f9620e127821b3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:06:23,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:06:23,507 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9625f94e-b906-4d8b-99d0-f5931286c91c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:06:23,564 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:06:23,566 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:06:23,567 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:06:23,568 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:06:23,568 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:06:23,570 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:06:23,576 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:06:23,577 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:06:23,577 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:06:23,578 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:06:23,580 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:06:23,580 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:06:23,581 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:06:23,581 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:06:23,581 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:06:23,582 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:06:23,583 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:06:23,583 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:06:23,584 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:06:23,584 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:06:23,585 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:06:23,585 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:06:23,586 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:06:23,586 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:06:23,586 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:06:23,587 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:06:23,587 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:06:23,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:06:23,589 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:06:23,589 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:06:23,589 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:06:23,590 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:06:23,590 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:06:23,590 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:06:23,590 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:06:23,591 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:06:23,592 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_9625f94e-b906-4d8b-99d0-f5931286c91c/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9625f94e-b906-4d8b-99d0-f5931286c91c/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5fb3c623242420f3b3352ce2377df781fcc1efd56f82dd0011f9620e127821b3 [2023-11-23 20:06:23,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:06:23,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:06:23,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:06:23,988 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:06:23,989 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:06:23,990 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9625f94e-b906-4d8b-99d0-f5931286c91c/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread/queue_longest.i [2023-11-23 20:06:27,169 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:06:27,541 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:06:27,541 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9625f94e-b906-4d8b-99d0-f5931286c91c/sv-benchmarks/c/pthread/queue_longest.i [2023-11-23 20:06:27,580 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9625f94e-b906-4d8b-99d0-f5931286c91c/bin/ukojak-verify-1t5iHCbJaC/data/674fe0621/f153e526c387411fb9a183e1985e5eb6/FLAG727938f02 [2023-11-23 20:06:27,595 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9625f94e-b906-4d8b-99d0-f5931286c91c/bin/ukojak-verify-1t5iHCbJaC/data/674fe0621/f153e526c387411fb9a183e1985e5eb6 [2023-11-23 20:06:27,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:06:27,599 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:06:27,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:06:27,601 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:06:27,606 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:06:27,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:06:27" (1/1) ... [2023-11-23 20:06:27,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2981ac9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:27, skipping insertion in model container [2023-11-23 20:06:27,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:06:27" (1/1) ... [2023-11-23 20:06:27,675 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:06:28,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:06:28,448 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:06:28,528 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:06:28,634 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:06:28,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:28 WrapperNode [2023-11-23 20:06:28,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:06:28,636 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:06:28,636 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:06:28,637 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:06:28,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:28" (1/1) ... [2023-11-23 20:06:28,689 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:28" (1/1) ... [2023-11-23 20:06:28,733 INFO L138 Inliner]: procedures = 279, calls = 66, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 130 [2023-11-23 20:06:28,734 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:06:28,735 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:06:28,735 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:06:28,735 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:06:28,744 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:28" (1/1) ... [2023-11-23 20:06:28,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:28" (1/1) ... [2023-11-23 20:06:28,763 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:28" (1/1) ... [2023-11-23 20:06:28,763 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:28" (1/1) ... [2023-11-23 20:06:28,790 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:28" (1/1) ... [2023-11-23 20:06:28,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:28" (1/1) ... [2023-11-23 20:06:28,798 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:28" (1/1) ... [2023-11-23 20:06:28,801 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:28" (1/1) ... [2023-11-23 20:06:28,806 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:06:28,821 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:06:28,821 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:06:28,821 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:06:28,822 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:28" (1/1) ... [2023-11-23 20:06:28,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:06:28,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9625f94e-b906-4d8b-99d0-f5931286c91c/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:06:28,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9625f94e-b906-4d8b-99d0-f5931286c91c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:06:28,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9625f94e-b906-4d8b-99d0-f5931286c91c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:06:28,922 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-23 20:06:28,924 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-23 20:06:28,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:06:28,924 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-23 20:06:28,924 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-23 20:06:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-23 20:06:28,925 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-23 20:06:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:06:28,925 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-11-23 20:06:28,925 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-11-23 20:06:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:06:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:06:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:06:28,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 20:06:28,927 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2023-11-23 20:06:28,927 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2023-11-23 20:06:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-23 20:06:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-23 20:06:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:06:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:06:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:06:28,931 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:06:29,172 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:06:29,174 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:06:29,678 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:06:29,706 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:06:29,707 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:06:29,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:06:29 BoogieIcfgContainer [2023-11-23 20:06:29,709 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:06:29,709 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:06:29,710 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:06:29,720 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:06:29,720 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:06:29" (1/1) ... [2023-11-23 20:06:29,721 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) [2023-11-23 20:06:29,725 INFO L158 Benchmark]: Toolchain (without parser) took 2124.98ms. Allocated memory was 69.2MB in the beginning and 107.0MB in the end (delta: 37.7MB). Free memory was 43.7MB in the beginning and 31.5MB in the end (delta: 12.2MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2023-11-23 20:06:29,725 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 69.2MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:06:29,726 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1034.91ms. Allocated memory was 69.2MB in the beginning and 107.0MB in the end (delta: 37.7MB). Free memory was 43.5MB in the beginning and 65.4MB in the end (delta: -21.9MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2023-11-23 20:06:29,727 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.80ms. Allocated memory is still 107.0MB. Free memory was 65.4MB in the beginning and 62.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:06:29,728 INFO L158 Benchmark]: Boogie Preprocessor took 71.93ms. Allocated memory is still 107.0MB. Free memory was 62.9MB in the beginning and 60.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:06:29,728 INFO L158 Benchmark]: RCFGBuilder took 887.97ms. Allocated memory is still 107.0MB. Free memory was 60.1MB in the beginning and 32.1MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-23 20:06:29,729 INFO L158 Benchmark]: CodeCheck took 13.70ms. Allocated memory is still 107.0MB. Free memory was 32.1MB in the beginning and 31.5MB in the end (delta: 623.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:06:29,732 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 0.25ms. Allocated memory is still 69.2MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1034.91ms. Allocated memory was 69.2MB in the beginning and 107.0MB in the end (delta: 37.7MB). Free memory was 43.5MB in the beginning and 65.4MB in the end (delta: -21.9MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.80ms. Allocated memory is still 107.0MB. Free memory was 65.4MB in the beginning and 62.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.93ms. Allocated memory is still 107.0MB. Free memory was 62.9MB in the beginning and 60.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 887.97ms. Allocated memory is still 107.0MB. Free memory was 60.1MB in the beginning and 32.1MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 13.70ms. Allocated memory is still 107.0MB. Free memory was 32.1MB in the beginning and 31.5MB in the end (delta: 623.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:06:29,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9625f94e-b906-4d8b-99d0-f5931286c91c/bin/ukojak-verify-1t5iHCbJaC/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