./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack_longest-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_9ff860a3-008a-480c-b595-0a75ae93e3d7/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff860a3-008a-480c-b595-0a75ae93e3d7/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff860a3-008a-480c-b595-0a75ae93e3d7/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff860a3-008a-480c-b595-0a75ae93e3d7/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff860a3-008a-480c-b595-0a75ae93e3d7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff860a3-008a-480c-b595-0a75ae93e3d7/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:10:29,488 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:10:29,552 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff860a3-008a-480c-b595-0a75ae93e3d7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:10:29,556 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:10:29,557 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:10:29,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:10:29,579 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:10:29,580 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:10:29,581 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:10:29,581 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:10:29,582 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:10:29,582 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:10:29,583 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:10:29,583 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:10:29,584 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:10:29,584 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:10:29,585 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:10:29,585 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:10:29,586 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:10:29,586 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:10:29,587 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:10:29,587 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:10:29,588 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:10:29,588 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:10:29,589 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:10:29,589 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:10:29,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:10:29,590 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:10:29,591 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:10:29,591 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:10:29,591 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:10:29,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:10:29,592 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:10:29,592 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_9ff860a3-008a-480c-b595-0a75ae93e3d7/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff860a3-008a-480c-b595-0a75ae93e3d7/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2023-12-02 23:10:29,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:10:29,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:10:29,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:10:29,853 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:10:29,853 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:10:29,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff860a3-008a-480c-b595-0a75ae93e3d7/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread/stack_longest-2.i [2023-12-02 23:10:32,606 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:10:32,841 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:10:32,842 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff860a3-008a-480c-b595-0a75ae93e3d7/sv-benchmarks/c/pthread/stack_longest-2.i [2023-12-02 23:10:32,861 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff860a3-008a-480c-b595-0a75ae93e3d7/bin/ukojak-verify-Qdu7aM0XO9/data/f6bae2d0f/f0a89150f5054489a0ad8efeac3da5db/FLAGecef9af7b [2023-12-02 23:10:32,874 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff860a3-008a-480c-b595-0a75ae93e3d7/bin/ukojak-verify-Qdu7aM0XO9/data/f6bae2d0f/f0a89150f5054489a0ad8efeac3da5db [2023-12-02 23:10:32,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:10:32,877 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:10:32,878 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:10:32,878 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:10:32,882 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:10:32,883 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:10:32" (1/1) ... [2023-12-02 23:10:32,884 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cd85903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:32, skipping insertion in model container [2023-12-02 23:10:32,884 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:10:32" (1/1) ... [2023-12-02 23:10:32,931 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:10:33,271 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff860a3-008a-480c-b595-0a75ae93e3d7/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2023-12-02 23:10:33,295 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:10:33,305 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:10:33,342 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff860a3-008a-480c-b595-0a75ae93e3d7/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2023-12-02 23:10:33,352 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:10:33,404 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:10:33,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:33 WrapperNode [2023-12-02 23:10:33,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:10:33,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:10:33,406 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:10:33,416 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:10:33,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:33" (1/1) ... [2023-12-02 23:10:33,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:33" (1/1) ... [2023-12-02 23:10:33,469 INFO L138 Inliner]: procedures = 278, calls = 40, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 142 [2023-12-02 23:10:33,470 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:10:33,471 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:10:33,471 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:10:33,471 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:10:33,478 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:33" (1/1) ... [2023-12-02 23:10:33,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:33" (1/1) ... [2023-12-02 23:10:33,483 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:33" (1/1) ... [2023-12-02 23:10:33,484 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:33" (1/1) ... [2023-12-02 23:10:33,492 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:33" (1/1) ... [2023-12-02 23:10:33,496 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:33" (1/1) ... [2023-12-02 23:10:33,498 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:33" (1/1) ... [2023-12-02 23:10:33,500 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:33" (1/1) ... [2023-12-02 23:10:33,504 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:10:33,505 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:10:33,505 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:10:33,505 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:10:33,506 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:33" (1/1) ... [2023-12-02 23:10:33,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:10:33,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff860a3-008a-480c-b595-0a75ae93e3d7/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:10:33,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff860a3-008a-480c-b595-0a75ae93e3d7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:10:33,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff860a3-008a-480c-b595-0a75ae93e3d7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:10:33,587 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-12-02 23:10:33,587 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-12-02 23:10:33,587 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-12-02 23:10:33,588 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-12-02 23:10:33,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:10:33,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:10:33,588 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-12-02 23:10:33,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:10:33,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:10:33,589 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-12-02 23:10:33,589 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-12-02 23:10:33,589 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-12-02 23:10:33,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:10:33,590 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-12-02 23:10:33,590 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-12-02 23:10:33,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:10:33,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:10:33,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:10:33,592 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 23:10:33,727 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:10:33,728 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:10:33,950 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:10:33,973 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:10:33,973 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 23:10:33,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:10:33 BoogieIcfgContainer [2023-12-02 23:10:33,974 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:10:33,975 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:10:33,975 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:10:33,983 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:10:33,983 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:10:33" (1/1) ... [2023-12-02 23:10:33,984 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) [2023-12-02 23:10:33,987 INFO L158 Benchmark]: Toolchain (without parser) took 1109.87ms. Allocated memory is still 176.2MB. Free memory was 130.0MB in the beginning and 121.2MB in the end (delta: 8.8MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2023-12-02 23:10:33,988 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 115.3MB. Free memory was 82.7MB in the beginning and 82.7MB in the end (delta: 26.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:10:33,989 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.71ms. Allocated memory is still 176.2MB. Free memory was 130.0MB in the beginning and 100.4MB in the end (delta: 29.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-02 23:10:33,989 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.67ms. Allocated memory is still 176.2MB. Free memory was 100.4MB in the beginning and 144.2MB in the end (delta: -43.9MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2023-12-02 23:10:33,990 INFO L158 Benchmark]: Boogie Preprocessor took 33.90ms. Allocated memory is still 176.2MB. Free memory was 144.2MB in the beginning and 142.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:10:33,990 INFO L158 Benchmark]: RCFGBuilder took 469.27ms. Allocated memory is still 176.2MB. Free memory was 142.2MB in the beginning and 122.2MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 23:10:33,991 INFO L158 Benchmark]: CodeCheck took 10.79ms. Allocated memory is still 176.2MB. Free memory was 122.2MB in the beginning and 121.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:10:33,994 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 115.3MB. Free memory was 82.7MB in the beginning and 82.7MB in the end (delta: 26.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 526.71ms. Allocated memory is still 176.2MB. Free memory was 130.0MB in the beginning and 100.4MB in the end (delta: 29.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.67ms. Allocated memory is still 176.2MB. Free memory was 100.4MB in the beginning and 144.2MB in the end (delta: -43.9MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.90ms. Allocated memory is still 176.2MB. Free memory was 144.2MB in the beginning and 142.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 469.27ms. Allocated memory is still 176.2MB. Free memory was 142.2MB in the beginning and 122.2MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 10.79ms. Allocated memory is still 176.2MB. Free memory was 122.2MB in the beginning and 121.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:10:34,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff860a3-008a-480c-b595-0a75ae93e3d7/bin/ukojak-verify-Qdu7aM0XO9/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_9ff860a3-008a-480c-b595-0a75ae93e3d7/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff860a3-008a-480c-b595-0a75ae93e3d7/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff860a3-008a-480c-b595-0a75ae93e3d7/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff860a3-008a-480c-b595-0a75ae93e3d7/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff860a3-008a-480c-b595-0a75ae93e3d7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff860a3-008a-480c-b595-0a75ae93e3d7/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:10:35,924 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:10:36,003 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff860a3-008a-480c-b595-0a75ae93e3d7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 23:10:36,036 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:10:36,037 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:10:36,037 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:10:36,038 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:10:36,038 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:10:36,039 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:10:36,040 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:10:36,040 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:10:36,041 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:10:36,041 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:10:36,042 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:10:36,042 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:10:36,043 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:10:36,043 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:10:36,044 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:10:36,044 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:10:36,045 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:10:36,045 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:10:36,048 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:10:36,049 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:10:36,050 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:10:36,050 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:10:36,050 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:10:36,051 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:10:36,051 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:10:36,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:10:36,052 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:10:36,052 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:10:36,053 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:10:36,053 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:10:36,053 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:10:36,054 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:10:36,054 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:10:36,054 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:10:36,054 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_9ff860a3-008a-480c-b595-0a75ae93e3d7/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff860a3-008a-480c-b595-0a75ae93e3d7/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2023-12-02 23:10:36,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:10:36,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:10:36,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:10:36,354 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:10:36,354 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:10:36,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff860a3-008a-480c-b595-0a75ae93e3d7/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread/stack_longest-2.i [2023-12-02 23:10:39,130 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:10:39,415 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:10:39,416 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff860a3-008a-480c-b595-0a75ae93e3d7/sv-benchmarks/c/pthread/stack_longest-2.i [2023-12-02 23:10:39,433 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff860a3-008a-480c-b595-0a75ae93e3d7/bin/ukojak-verify-Qdu7aM0XO9/data/2c952ec6f/60af8811bb4942ec8d2c0aa1967d4ef9/FLAG427f4c7fd [2023-12-02 23:10:39,446 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff860a3-008a-480c-b595-0a75ae93e3d7/bin/ukojak-verify-Qdu7aM0XO9/data/2c952ec6f/60af8811bb4942ec8d2c0aa1967d4ef9 [2023-12-02 23:10:39,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:10:39,449 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:10:39,450 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:10:39,451 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:10:39,454 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:10:39,455 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:10:39" (1/1) ... [2023-12-02 23:10:39,456 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@501be191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:39, skipping insertion in model container [2023-12-02 23:10:39,456 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:10:39" (1/1) ... [2023-12-02 23:10:39,508 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:10:39,895 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff860a3-008a-480c-b595-0a75ae93e3d7/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2023-12-02 23:10:39,919 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:10:39,933 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:10:39,970 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff860a3-008a-480c-b595-0a75ae93e3d7/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2023-12-02 23:10:39,979 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:10:40,053 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:10:40,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:40 WrapperNode [2023-12-02 23:10:40,053 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:10:40,054 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:10:40,055 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:10:40,055 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:10:40,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:40" (1/1) ... [2023-12-02 23:10:40,082 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:40" (1/1) ... [2023-12-02 23:10:40,108 INFO L138 Inliner]: procedures = 282, calls = 40, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 139 [2023-12-02 23:10:40,108 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:10:40,109 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:10:40,109 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:10:40,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:10:40,118 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:40" (1/1) ... [2023-12-02 23:10:40,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:40" (1/1) ... [2023-12-02 23:10:40,123 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:40" (1/1) ... [2023-12-02 23:10:40,123 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:40" (1/1) ... [2023-12-02 23:10:40,134 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:40" (1/1) ... [2023-12-02 23:10:40,138 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:40" (1/1) ... [2023-12-02 23:10:40,142 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:40" (1/1) ... [2023-12-02 23:10:40,144 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:40" (1/1) ... [2023-12-02 23:10:40,149 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:10:40,150 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:10:40,150 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:10:40,150 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:10:40,151 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:10:40" (1/1) ... [2023-12-02 23:10:40,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:10:40,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff860a3-008a-480c-b595-0a75ae93e3d7/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:10:40,190 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff860a3-008a-480c-b595-0a75ae93e3d7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:10:40,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff860a3-008a-480c-b595-0a75ae93e3d7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:10:40,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:10:40,226 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-12-02 23:10:40,226 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-12-02 23:10:40,226 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-12-02 23:10:40,227 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-12-02 23:10:40,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:10:40,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:10:40,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:10:40,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:10:40,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-02 23:10:40,227 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-12-02 23:10:40,228 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-12-02 23:10:40,228 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-12-02 23:10:40,228 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-12-02 23:10:40,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:10:40,228 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-12-02 23:10:40,228 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-12-02 23:10:40,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:10:40,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:10:40,230 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 23:10:40,392 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:10:40,394 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:10:40,623 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:10:40,651 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:10:40,651 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 23:10:40,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:10:40 BoogieIcfgContainer [2023-12-02 23:10:40,653 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:10:40,654 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:10:40,654 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:10:40,662 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:10:40,663 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:10:40" (1/1) ... [2023-12-02 23:10:40,663 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) [2023-12-02 23:10:40,667 INFO L158 Benchmark]: Toolchain (without parser) took 1217.57ms. Allocated memory is still 96.5MB. Free memory was 71.2MB in the beginning and 43.6MB in the end (delta: 27.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-02 23:10:40,668 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 67.1MB. Free memory was 43.5MB in the beginning and 43.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:10:40,669 INFO L158 Benchmark]: CACSL2BoogieTranslator took 603.22ms. Allocated memory is still 96.5MB. Free memory was 70.9MB in the beginning and 70.9MB in the end (delta: -23.0kB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-02 23:10:40,669 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.13ms. Allocated memory is still 96.5MB. Free memory was 70.9MB in the beginning and 68.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:10:40,670 INFO L158 Benchmark]: Boogie Preprocessor took 39.75ms. Allocated memory is still 96.5MB. Free memory was 68.3MB in the beginning and 65.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:10:40,671 INFO L158 Benchmark]: RCFGBuilder took 503.79ms. Allocated memory is still 96.5MB. Free memory was 65.6MB in the beginning and 44.7MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 23:10:40,671 INFO L158 Benchmark]: CodeCheck took 11.73ms. Allocated memory is still 96.5MB. Free memory was 44.7MB in the beginning and 43.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:10:40,675 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 0.19ms. Allocated memory is still 67.1MB. Free memory was 43.5MB in the beginning and 43.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 603.22ms. Allocated memory is still 96.5MB. Free memory was 70.9MB in the beginning and 70.9MB in the end (delta: -23.0kB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.13ms. Allocated memory is still 96.5MB. Free memory was 70.9MB in the beginning and 68.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.75ms. Allocated memory is still 96.5MB. Free memory was 68.3MB in the beginning and 65.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 503.79ms. Allocated memory is still 96.5MB. Free memory was 65.6MB in the beginning and 44.7MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 11.73ms. Allocated memory is still 96.5MB. Free memory was 44.7MB in the beginning and 43.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:10:40,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ff860a3-008a-480c-b595-0a75ae93e3d7/bin/ukojak-verify-Qdu7aM0XO9/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