./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/stack_longest-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_e671195f-8be4-444a-9714-80a75e20621b/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e671195f-8be4-444a-9714-80a75e20621b/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_e671195f-8be4-444a-9714-80a75e20621b/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e671195f-8be4-444a-9714-80a75e20621b/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e671195f-8be4-444a-9714-80a75e20621b/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e671195f-8be4-444a-9714-80a75e20621b/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:44:27,822 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:44:27,947 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e671195f-8be4-444a-9714-80a75e20621b/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:44:27,954 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:44:27,955 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:44:27,994 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:44:27,995 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:44:27,996 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:44:27,997 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:44:28,002 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:44:28,003 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:44:28,004 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:44:28,004 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:44:28,006 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:44:28,007 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:44:28,007 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:44:28,008 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:44:28,008 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:44:28,008 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:44:28,009 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:44:28,009 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:44:28,010 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:44:28,010 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:44:28,012 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:44:28,012 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:44:28,013 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:44:28,014 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:44:28,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:44:28,015 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:44:28,015 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:44:28,017 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:44:28,017 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:44:28,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:44:28,017 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:44:28,018 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_e671195f-8be4-444a-9714-80a75e20621b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e671195f-8be4-444a-9714-80a75e20621b/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2023-11-11 23:44:28,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:44:28,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:44:28,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:44:28,375 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:44:28,376 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:44:28,378 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e671195f-8be4-444a-9714-80a75e20621b/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/stack_longest-2.i [2023-11-11 23:44:31,433 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:44:31,759 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:44:31,759 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e671195f-8be4-444a-9714-80a75e20621b/sv-benchmarks/c/pthread/stack_longest-2.i [2023-11-11 23:44:31,795 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e671195f-8be4-444a-9714-80a75e20621b/bin/ukojak-verify-0OAaufAVZV/data/3b39bf391/68c055d378f24bb1a8ab207372d2a235/FLAG31da62078 [2023-11-11 23:44:31,811 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e671195f-8be4-444a-9714-80a75e20621b/bin/ukojak-verify-0OAaufAVZV/data/3b39bf391/68c055d378f24bb1a8ab207372d2a235 [2023-11-11 23:44:31,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:44:31,815 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:44:31,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:44:31,818 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:44:31,823 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:44:31,824 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:44:31" (1/1) ... [2023-11-11 23:44:31,826 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78581ffc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:31, skipping insertion in model container [2023-11-11 23:44:31,826 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:44:31" (1/1) ... [2023-11-11 23:44:31,892 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:44:32,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:44:32,447 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:44:32,506 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:44:32,603 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:44:32,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:32 WrapperNode [2023-11-11 23:44:32,604 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:44:32,605 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:44:32,605 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:44:32,606 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:44:32,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:32" (1/1) ... [2023-11-11 23:44:32,640 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:32" (1/1) ... [2023-11-11 23:44:32,673 INFO L138 Inliner]: procedures = 277, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 151 [2023-11-11 23:44:32,674 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:44:32,674 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:44:32,674 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:44:32,675 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:44:32,686 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:32" (1/1) ... [2023-11-11 23:44:32,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:32" (1/1) ... [2023-11-11 23:44:32,695 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:32" (1/1) ... [2023-11-11 23:44:32,695 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:32" (1/1) ... [2023-11-11 23:44:32,706 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:32" (1/1) ... [2023-11-11 23:44:32,723 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:32" (1/1) ... [2023-11-11 23:44:32,726 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:32" (1/1) ... [2023-11-11 23:44:32,728 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:32" (1/1) ... [2023-11-11 23:44:32,732 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:44:32,733 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:44:32,733 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:44:32,733 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:44:32,734 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:32" (1/1) ... [2023-11-11 23:44:32,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:44:32,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e671195f-8be4-444a-9714-80a75e20621b/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:44:32,772 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e671195f-8be4-444a-9714-80a75e20621b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:44:32,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e671195f-8be4-444a-9714-80a75e20621b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:44:32,818 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-11 23:44:32,818 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-11 23:44:32,819 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-11 23:44:32,819 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-11 23:44:32,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:44:32,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:44:32,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:44:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:44:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-11 23:44:32,820 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-11 23:44:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-11 23:44:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:44:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-11 23:44:32,821 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-11 23:44:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:44:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:44:32,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:44:32,823 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 23:44:33,024 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:44:33,029 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:44:33,478 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:44:33,492 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:44:33,496 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:44:33,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:44:33 BoogieIcfgContainer [2023-11-11 23:44:33,500 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:44:33,502 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:44:33,502 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:44:33,514 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:44:33,514 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:44:33" (1/1) ... [2023-11-11 23:44:33,516 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 23:44:33,520 INFO L158 Benchmark]: Toolchain (without parser) took 1703.94ms. Allocated memory is still 192.9MB. Free memory was 144.7MB in the beginning and 154.4MB in the end (delta: -9.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:44:33,521 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 142.6MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:44:33,522 INFO L158 Benchmark]: CACSL2BoogieTranslator took 787.42ms. Allocated memory is still 192.9MB. Free memory was 144.1MB in the beginning and 114.7MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-11 23:44:33,523 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.40ms. Allocated memory is still 192.9MB. Free memory was 114.7MB in the beginning and 112.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:44:33,523 INFO L158 Benchmark]: Boogie Preprocessor took 57.59ms. Allocated memory is still 192.9MB. Free memory was 112.0MB in the beginning and 110.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:44:33,524 INFO L158 Benchmark]: RCFGBuilder took 767.33ms. Allocated memory is still 192.9MB. Free memory was 110.5MB in the beginning and 155.5MB in the end (delta: -45.0MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2023-11-11 23:44:33,525 INFO L158 Benchmark]: CodeCheck took 16.71ms. Allocated memory is still 192.9MB. Free memory was 155.5MB in the beginning and 154.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:44:33,528 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 0.67ms. Allocated memory is still 142.6MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 787.42ms. Allocated memory is still 192.9MB. Free memory was 144.1MB in the beginning and 114.7MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.40ms. Allocated memory is still 192.9MB. Free memory was 114.7MB in the beginning and 112.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.59ms. Allocated memory is still 192.9MB. Free memory was 112.0MB in the beginning and 110.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 767.33ms. Allocated memory is still 192.9MB. Free memory was 110.5MB in the beginning and 155.5MB in the end (delta: -45.0MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * CodeCheck took 16.71ms. Allocated memory is still 192.9MB. Free memory was 155.5MB in the beginning and 154.4MB 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. [2023-11-11 23:44:33,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e671195f-8be4-444a-9714-80a75e20621b/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e671195f-8be4-444a-9714-80a75e20621b/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e671195f-8be4-444a-9714-80a75e20621b/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_e671195f-8be4-444a-9714-80a75e20621b/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e671195f-8be4-444a-9714-80a75e20621b/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e671195f-8be4-444a-9714-80a75e20621b/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e671195f-8be4-444a-9714-80a75e20621b/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:44:36,289 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:44:36,431 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e671195f-8be4-444a-9714-80a75e20621b/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:44:36,505 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:44:36,507 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:44:36,508 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:44:36,509 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:44:36,509 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:44:36,511 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:44:36,516 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:44:36,516 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:44:36,517 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:44:36,518 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:44:36,520 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:44:36,520 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:44:36,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:44:36,522 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:44:36,522 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:44:36,523 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:44:36,524 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:44:36,525 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:44:36,526 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:44:36,526 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:44:36,527 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:44:36,527 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:44:36,528 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:44:36,529 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:44:36,529 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:44:36,530 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:44:36,531 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:44:36,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:44:36,533 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:44:36,533 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:44:36,534 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:44:36,534 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:44:36,534 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:44:36,534 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:44:36,535 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:44:36,535 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:44:36,536 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_e671195f-8be4-444a-9714-80a75e20621b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e671195f-8be4-444a-9714-80a75e20621b/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2023-11-11 23:44:36,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:44:37,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:44:37,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:44:37,020 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:44:37,021 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:44:37,022 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e671195f-8be4-444a-9714-80a75e20621b/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/stack_longest-2.i [2023-11-11 23:44:40,485 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:44:40,886 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:44:40,889 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e671195f-8be4-444a-9714-80a75e20621b/sv-benchmarks/c/pthread/stack_longest-2.i [2023-11-11 23:44:40,917 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e671195f-8be4-444a-9714-80a75e20621b/bin/ukojak-verify-0OAaufAVZV/data/e0e7396dd/a8eb88e74ae04f37872a1322f7e8f79d/FLAG59468f9d5 [2023-11-11 23:44:40,938 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e671195f-8be4-444a-9714-80a75e20621b/bin/ukojak-verify-0OAaufAVZV/data/e0e7396dd/a8eb88e74ae04f37872a1322f7e8f79d [2023-11-11 23:44:40,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:44:40,947 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:44:40,951 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:44:40,951 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:44:40,957 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:44:40,958 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:44:40" (1/1) ... [2023-11-11 23:44:40,959 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c4b2b96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:40, skipping insertion in model container [2023-11-11 23:44:40,959 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:44:40" (1/1) ... [2023-11-11 23:44:41,042 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:44:41,698 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:44:41,715 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:44:41,785 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:44:41,915 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:44:41,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:41 WrapperNode [2023-11-11 23:44:41,915 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:44:41,916 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:44:41,917 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:44:41,917 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:44:41,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:41" (1/1) ... [2023-11-11 23:44:41,956 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:41" (1/1) ... [2023-11-11 23:44:41,991 INFO L138 Inliner]: procedures = 281, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 148 [2023-11-11 23:44:41,992 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:44:41,993 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:44:41,993 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:44:41,993 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:44:42,013 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:41" (1/1) ... [2023-11-11 23:44:42,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:41" (1/1) ... [2023-11-11 23:44:42,019 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:41" (1/1) ... [2023-11-11 23:44:42,020 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:41" (1/1) ... [2023-11-11 23:44:42,034 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:41" (1/1) ... [2023-11-11 23:44:42,038 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:41" (1/1) ... [2023-11-11 23:44:42,042 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:41" (1/1) ... [2023-11-11 23:44:42,045 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:41" (1/1) ... [2023-11-11 23:44:42,051 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:44:42,052 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:44:42,053 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:44:42,053 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:44:42,054 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:41" (1/1) ... [2023-11-11 23:44:42,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:44:42,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e671195f-8be4-444a-9714-80a75e20621b/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:44:42,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e671195f-8be4-444a-9714-80a75e20621b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:44:42,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e671195f-8be4-444a-9714-80a75e20621b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:44:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:44:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-11 23:44:42,160 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-11 23:44:42,161 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-11 23:44:42,161 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-11 23:44:42,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:44:42,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:44:42,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:44:42,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:44:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-11 23:44:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-11 23:44:42,162 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-11 23:44:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-11 23:44:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:44:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-11 23:44:42,163 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-11 23:44:42,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:44:42,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:44:42,167 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 23:44:42,342 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:44:42,344 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:44:42,699 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:44:42,709 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:44:42,709 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-11 23:44:42,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:44:42 BoogieIcfgContainer [2023-11-11 23:44:42,712 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:44:42,713 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:44:42,713 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:44:42,739 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:44:42,740 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:44:42" (1/1) ... [2023-11-11 23:44:42,741 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 23:44:42,748 INFO L158 Benchmark]: Toolchain (without parser) took 1799.19ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 57.2MB in the beginning and 80.9MB in the end (delta: -23.6MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2023-11-11 23:44:42,749 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 81.8MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:44:42,751 INFO L158 Benchmark]: CACSL2BoogieTranslator took 964.57ms. Allocated memory is still 81.8MB. Free memory was 56.9MB in the beginning and 54.9MB in the end (delta: 2.1MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2023-11-11 23:44:42,752 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.57ms. Allocated memory is still 81.8MB. Free memory was 54.9MB in the beginning and 51.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:44:42,753 INFO L158 Benchmark]: Boogie Preprocessor took 59.07ms. Allocated memory is still 81.8MB. Free memory was 51.9MB in the beginning and 49.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:44:42,754 INFO L158 Benchmark]: RCFGBuilder took 659.70ms. Allocated memory is still 81.8MB. Free memory was 49.6MB in the beginning and 30.2MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-11 23:44:42,756 INFO L158 Benchmark]: CodeCheck took 32.48ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 30.2MB in the beginning and 80.9MB in the end (delta: -50.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:44:42,768 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 0.27ms. Allocated memory is still 81.8MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 964.57ms. Allocated memory is still 81.8MB. Free memory was 56.9MB in the beginning and 54.9MB in the end (delta: 2.1MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.57ms. Allocated memory is still 81.8MB. Free memory was 54.9MB in the beginning and 51.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.07ms. Allocated memory is still 81.8MB. Free memory was 51.9MB in the beginning and 49.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 659.70ms. Allocated memory is still 81.8MB. Free memory was 49.6MB in the beginning and 30.2MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 32.48ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 30.2MB in the beginning and 80.9MB in the end (delta: -50.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:44:42,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e671195f-8be4-444a-9714-80a75e20621b/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