./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c6c770-ce65-4f8b-9c83-07b069f2d95e/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c6c770-ce65-4f8b-9c83-07b069f2d95e/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c6c770-ce65-4f8b-9c83-07b069f2d95e/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c6c770-ce65-4f8b-9c83-07b069f2d95e/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c6c770-ce65-4f8b-9c83-07b069f2d95e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c6c770-ce65-4f8b-9c83-07b069f2d95e/bin/ukojak-verify-0OAaufAVZV --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 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:54:43,561 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:54:43,690 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c6c770-ce65-4f8b-9c83-07b069f2d95e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-11 23:54:43,698 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:54:43,699 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:54:43,738 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:54:43,740 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:54:43,740 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:54:43,742 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:54:43,747 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:54:43,748 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:54:43,749 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:54:43,749 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:54:43,751 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:54:43,752 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:54:43,752 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:54:43,753 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:54:43,753 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:54:43,754 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:54:43,754 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:54:43,755 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:54:43,756 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:54:43,756 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:54:43,757 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:54:43,758 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:54:43,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:54:43,759 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:54:43,760 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:54:43,760 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:54:43,761 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:54:43,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:54:43,762 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:54:43,762 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_17c6c770-ce65-4f8b-9c83-07b069f2d95e/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c6c770-ce65-4f8b-9c83-07b069f2d95e/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 [2023-11-11 23:54:44,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:54:44,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:54:44,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:54:44,084 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:54:44,085 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:54:44,086 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c6c770-ce65-4f8b-9c83-07b069f2d95e/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/stack_longest-1.i [2023-11-11 23:54:47,315 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:54:47,640 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:54:47,640 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c6c770-ce65-4f8b-9c83-07b069f2d95e/sv-benchmarks/c/pthread/stack_longest-1.i [2023-11-11 23:54:47,672 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c6c770-ce65-4f8b-9c83-07b069f2d95e/bin/ukojak-verify-0OAaufAVZV/data/2cfcfb25d/123da31df2b44ec8a5c4735c776cfc25/FLAG069185208 [2023-11-11 23:54:47,688 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c6c770-ce65-4f8b-9c83-07b069f2d95e/bin/ukojak-verify-0OAaufAVZV/data/2cfcfb25d/123da31df2b44ec8a5c4735c776cfc25 [2023-11-11 23:54:47,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:54:47,692 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:54:47,696 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:54:47,696 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:54:47,702 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:54:47,703 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:54:47" (1/1) ... [2023-11-11 23:54:47,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9cbcb9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:47, skipping insertion in model container [2023-11-11 23:54:47,705 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:54:47" (1/1) ... [2023-11-11 23:54:47,777 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:54:48,280 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_17c6c770-ce65-4f8b-9c83-07b069f2d95e/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2023-11-11 23:54:48,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:54:48,327 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:54:48,385 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_17c6c770-ce65-4f8b-9c83-07b069f2d95e/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2023-11-11 23:54:48,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:54:48,478 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:54:48,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:48 WrapperNode [2023-11-11 23:54:48,479 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:54:48,481 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:54:48,481 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:54:48,481 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:54:48,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:48" (1/1) ... [2023-11-11 23:54:48,537 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:48" (1/1) ... [2023-11-11 23:54:48,573 INFO L138 Inliner]: procedures = 277, calls = 39, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 141 [2023-11-11 23:54:48,578 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:54:48,579 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:54:48,579 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:54:48,579 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:54:48,600 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:48" (1/1) ... [2023-11-11 23:54:48,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:48" (1/1) ... [2023-11-11 23:54:48,605 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:48" (1/1) ... [2023-11-11 23:54:48,605 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:48" (1/1) ... [2023-11-11 23:54:48,614 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:48" (1/1) ... [2023-11-11 23:54:48,618 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:48" (1/1) ... [2023-11-11 23:54:48,621 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:48" (1/1) ... [2023-11-11 23:54:48,623 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:48" (1/1) ... [2023-11-11 23:54:48,627 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:54:48,628 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:54:48,628 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:54:48,629 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:54:48,629 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:48" (1/1) ... [2023-11-11 23:54:48,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:54:48,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c6c770-ce65-4f8b-9c83-07b069f2d95e/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:54:48,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c6c770-ce65-4f8b-9c83-07b069f2d95e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:54:48,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c6c770-ce65-4f8b-9c83-07b069f2d95e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:54:48,699 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-11 23:54:48,700 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-11 23:54:48,700 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-11 23:54:48,700 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-11 23:54:48,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:54:48,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:54:48,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:54:48,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:54:48,702 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-11 23:54:48,702 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-11 23:54:48,702 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-11 23:54:48,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:54:48,702 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-11 23:54:48,703 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-11 23:54:48,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:54:48,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:54:48,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:54:48,704 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:54:48,873 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:54:48,875 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:54:49,150 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:54:49,161 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:54:49,161 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:54:49,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:54:49 BoogieIcfgContainer [2023-11-11 23:54:49,164 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:54:49,165 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:54:49,166 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:54:49,176 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:54:49,177 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:54:49" (1/1) ... [2023-11-11 23:54:49,177 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) [2023-11-11 23:54:49,181 INFO L158 Benchmark]: Toolchain (without parser) took 1488.20ms. Allocated memory was 138.4MB in the beginning and 207.6MB in the end (delta: 69.2MB). Free memory was 97.0MB in the beginning and 156.5MB in the end (delta: -59.5MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2023-11-11 23:54:49,182 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 138.4MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:54:49,183 INFO L158 Benchmark]: CACSL2BoogieTranslator took 784.14ms. Allocated memory is still 138.4MB. Free memory was 97.0MB in the beginning and 67.4MB in the end (delta: 29.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-11 23:54:49,183 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.48ms. Allocated memory was 138.4MB in the beginning and 207.6MB in the end (delta: 69.2MB). Free memory was 67.4MB in the beginning and 175.1MB in the end (delta: -107.7MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2023-11-11 23:54:49,184 INFO L158 Benchmark]: Boogie Preprocessor took 48.65ms. Allocated memory is still 207.6MB. Free memory was 175.1MB in the beginning and 175.4MB in the end (delta: -337.5kB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2023-11-11 23:54:49,185 INFO L158 Benchmark]: RCFGBuilder took 536.44ms. Allocated memory is still 207.6MB. Free memory was 175.4MB in the beginning and 157.5MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-11 23:54:49,186 INFO L158 Benchmark]: CodeCheck took 14.40ms. Allocated memory is still 207.6MB. Free memory was 157.5MB in the beginning and 156.5MB in the end (delta: 981.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:54:49,189 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 0.36ms. Allocated memory is still 138.4MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 784.14ms. Allocated memory is still 138.4MB. Free memory was 97.0MB in the beginning and 67.4MB in the end (delta: 29.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.48ms. Allocated memory was 138.4MB in the beginning and 207.6MB in the end (delta: 69.2MB). Free memory was 67.4MB in the beginning and 175.1MB in the end (delta: -107.7MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.65ms. Allocated memory is still 207.6MB. Free memory was 175.1MB in the beginning and 175.4MB in the end (delta: -337.5kB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * RCFGBuilder took 536.44ms. Allocated memory is still 207.6MB. Free memory was 175.4MB in the beginning and 157.5MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 14.40ms. Allocated memory is still 207.6MB. Free memory was 157.5MB in the beginning and 156.5MB in the end (delta: 981.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:54:49,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c6c770-ce65-4f8b-9c83-07b069f2d95e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c6c770-ce65-4f8b-9c83-07b069f2d95e/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c6c770-ce65-4f8b-9c83-07b069f2d95e/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c6c770-ce65-4f8b-9c83-07b069f2d95e/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c6c770-ce65-4f8b-9c83-07b069f2d95e/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c6c770-ce65-4f8b-9c83-07b069f2d95e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c6c770-ce65-4f8b-9c83-07b069f2d95e/bin/ukojak-verify-0OAaufAVZV --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 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:54:51,945 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:54:52,076 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c6c770-ce65-4f8b-9c83-07b069f2d95e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-11 23:54:52,132 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:54:52,134 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:54:52,135 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:54:52,136 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:54:52,136 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:54:52,138 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:54:52,143 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:54:52,143 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:54:52,144 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:54:52,144 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:54:52,146 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:54:52,146 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:54:52,147 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:54:52,147 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:54:52,148 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:54:52,148 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:54:52,149 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:54:52,150 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:54:52,150 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:54:52,151 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:54:52,151 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:54:52,152 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:54:52,152 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:54:52,153 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:54:52,153 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:54:52,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:54:52,154 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:54:52,155 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:54:52,156 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:54:52,156 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:54:52,156 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:54:52,157 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:54:52,157 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:54:52,157 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:54:52,158 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_17c6c770-ce65-4f8b-9c83-07b069f2d95e/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c6c770-ce65-4f8b-9c83-07b069f2d95e/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 [2023-11-11 23:54:52,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:54:52,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:54:52,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:54:52,678 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:54:52,679 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:54:52,681 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c6c770-ce65-4f8b-9c83-07b069f2d95e/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/stack_longest-1.i [2023-11-11 23:54:56,134 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:54:56,540 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:54:56,540 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c6c770-ce65-4f8b-9c83-07b069f2d95e/sv-benchmarks/c/pthread/stack_longest-1.i [2023-11-11 23:54:56,579 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c6c770-ce65-4f8b-9c83-07b069f2d95e/bin/ukojak-verify-0OAaufAVZV/data/7dd439f8e/244a351a801542f18413e094945c024a/FLAG3821604e9 [2023-11-11 23:54:56,600 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c6c770-ce65-4f8b-9c83-07b069f2d95e/bin/ukojak-verify-0OAaufAVZV/data/7dd439f8e/244a351a801542f18413e094945c024a [2023-11-11 23:54:56,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:54:56,604 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:54:56,605 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:54:56,606 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:54:56,610 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:54:56,611 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:54:56" (1/1) ... [2023-11-11 23:54:56,612 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4709dce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:56, skipping insertion in model container [2023-11-11 23:54:56,613 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:54:56" (1/1) ... [2023-11-11 23:54:56,690 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:54:57,400 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_17c6c770-ce65-4f8b-9c83-07b069f2d95e/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2023-11-11 23:54:57,451 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:54:57,469 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:54:57,504 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_17c6c770-ce65-4f8b-9c83-07b069f2d95e/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2023-11-11 23:54:57,514 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:54:57,609 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:54:57,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:57 WrapperNode [2023-11-11 23:54:57,610 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:54:57,611 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:54:57,612 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:54:57,612 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:54:57,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:57" (1/1) ... [2023-11-11 23:54:57,667 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:57" (1/1) ... [2023-11-11 23:54:57,716 INFO L138 Inliner]: procedures = 281, calls = 39, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 137 [2023-11-11 23:54:57,717 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:54:57,718 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:54:57,718 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:54:57,718 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:54:57,728 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:57" (1/1) ... [2023-11-11 23:54:57,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:57" (1/1) ... [2023-11-11 23:54:57,744 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:57" (1/1) ... [2023-11-11 23:54:57,745 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:57" (1/1) ... [2023-11-11 23:54:57,760 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:57" (1/1) ... [2023-11-11 23:54:57,772 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:57" (1/1) ... [2023-11-11 23:54:57,777 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:57" (1/1) ... [2023-11-11 23:54:57,793 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:57" (1/1) ... [2023-11-11 23:54:57,798 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:54:57,799 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:54:57,803 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:54:57,804 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:54:57,804 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:54:57" (1/1) ... [2023-11-11 23:54:57,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:54:57,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c6c770-ce65-4f8b-9c83-07b069f2d95e/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:54:57,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c6c770-ce65-4f8b-9c83-07b069f2d95e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:54:57,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c6c770-ce65-4f8b-9c83-07b069f2d95e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:54:57,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:54:57,903 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-11 23:54:57,903 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-11 23:54:57,903 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-11 23:54:57,904 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-11 23:54:57,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:54:57,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:54:57,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:54:57,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:54:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-11 23:54:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-11 23:54:57,905 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-11 23:54:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-11 23:54:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:54:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-11 23:54:57,907 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-11 23:54:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:54:57,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:54:57,909 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:54:58,095 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:54:58,097 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:54:58,458 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:54:58,468 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:54:58,468 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:54:58,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:54:58 BoogieIcfgContainer [2023-11-11 23:54:58,471 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:54:58,472 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:54:58,472 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:54:58,490 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:54:58,490 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:54:58" (1/1) ... [2023-11-11 23:54:58,491 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) [2023-11-11 23:54:58,498 INFO L158 Benchmark]: Toolchain (without parser) took 1893.19ms. Allocated memory is still 81.8MB. Free memory was 55.6MB in the beginning and 40.9MB in the end (delta: 14.7MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2023-11-11 23:54:58,500 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 65.0MB. Free memory was 41.4MB in the beginning and 41.3MB in the end (delta: 101.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:54:58,501 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1005.09ms. Allocated memory is still 81.8MB. Free memory was 55.4MB in the beginning and 43.0MB in the end (delta: 12.4MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2023-11-11 23:54:58,502 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.80ms. Allocated memory is still 81.8MB. Free memory was 43.0MB in the beginning and 40.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:54:58,503 INFO L158 Benchmark]: Boogie Preprocessor took 80.71ms. Allocated memory is still 81.8MB. Free memory was 40.3MB in the beginning and 37.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:54:58,505 INFO L158 Benchmark]: RCFGBuilder took 672.06ms. Allocated memory is still 81.8MB. Free memory was 37.9MB in the beginning and 42.1MB in the end (delta: -4.2MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2023-11-11 23:54:58,505 INFO L158 Benchmark]: CodeCheck took 24.24ms. Allocated memory is still 81.8MB. Free memory was 41.7MB in the beginning and 40.9MB in the end (delta: 847.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:54:58,509 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 0.33ms. Allocated memory is still 65.0MB. Free memory was 41.4MB in the beginning and 41.3MB in the end (delta: 101.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1005.09ms. Allocated memory is still 81.8MB. Free memory was 55.4MB in the beginning and 43.0MB in the end (delta: 12.4MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.80ms. Allocated memory is still 81.8MB. Free memory was 43.0MB in the beginning and 40.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.71ms. Allocated memory is still 81.8MB. Free memory was 40.3MB in the beginning and 37.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 672.06ms. Allocated memory is still 81.8MB. Free memory was 37.9MB in the beginning and 42.1MB in the end (delta: -4.2MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. * CodeCheck took 24.24ms. Allocated memory is still 81.8MB. Free memory was 41.7MB in the beginning and 40.9MB in the end (delta: 847.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:54:58,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17c6c770-ce65-4f8b-9c83-07b069f2d95e/bin/ukojak-verify-0OAaufAVZV/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