./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 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e147c947-21fc-480b-b3b6-b57934e623e4/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e147c947-21fc-480b-b3b6-b57934e623e4/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e147c947-21fc-480b-b3b6-b57934e623e4/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e147c947-21fc-480b-b3b6-b57934e623e4/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e147c947-21fc-480b-b3b6-b57934e623e4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e147c947-21fc-480b-b3b6-b57934e623e4/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:10:31,850 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:10:31,977 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e147c947-21fc-480b-b3b6-b57934e623e4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:10:31,981 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:10:31,982 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:10:32,027 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:10:32,029 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:10:32,029 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:10:32,030 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:10:32,031 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:10:32,031 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:10:32,032 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:10:32,033 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:10:32,033 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:10:32,034 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:10:32,035 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:10:32,035 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:10:32,036 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:10:32,036 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:10:32,037 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:10:32,037 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:10:32,038 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:10:32,039 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:10:32,039 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:10:32,040 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:10:32,040 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:10:32,041 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:10:32,041 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:10:32,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:10:32,042 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:10:32,043 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:10:32,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:10:32,043 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:10:32,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:10:32,044 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:10:32,053 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_e147c947-21fc-480b-b3b6-b57934e623e4/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e147c947-21fc-480b-b3b6-b57934e623e4/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2023-11-23 20:10:32,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:10:32,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:10:32,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:10:32,411 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:10:32,412 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:10:32,414 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e147c947-21fc-480b-b3b6-b57934e623e4/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread/stack_longest-2.i [2023-11-23 20:10:35,405 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:10:35,777 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:10:35,778 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e147c947-21fc-480b-b3b6-b57934e623e4/sv-benchmarks/c/pthread/stack_longest-2.i [2023-11-23 20:10:35,799 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e147c947-21fc-480b-b3b6-b57934e623e4/bin/ukojak-verify-1t5iHCbJaC/data/78bdb1680/1e4f68217d914531b891d68916aedd25/FLAGe21712d43 [2023-11-23 20:10:35,816 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e147c947-21fc-480b-b3b6-b57934e623e4/bin/ukojak-verify-1t5iHCbJaC/data/78bdb1680/1e4f68217d914531b891d68916aedd25 [2023-11-23 20:10:35,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:10:35,827 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:10:35,829 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:10:35,829 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:10:35,835 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:10:35,839 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:10:35" (1/1) ... [2023-11-23 20:10:35,840 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21c83f11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:35, skipping insertion in model container [2023-11-23 20:10:35,840 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:10:35" (1/1) ... [2023-11-23 20:10:35,914 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:10:36,547 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:10:36,563 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:10:36,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:10:36,756 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:10:36,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:36 WrapperNode [2023-11-23 20:10:36,757 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:10:36,758 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:10:36,758 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:10:36,758 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:10:36,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:36" (1/1) ... [2023-11-23 20:10:36,800 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:36" (1/1) ... [2023-11-23 20:10:36,851 INFO L138 Inliner]: procedures = 278, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 157 [2023-11-23 20:10:36,851 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:10:36,852 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:10:36,853 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:10:36,854 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:10:36,864 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:36" (1/1) ... [2023-11-23 20:10:36,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:36" (1/1) ... [2023-11-23 20:10:36,879 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:36" (1/1) ... [2023-11-23 20:10:36,882 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:36" (1/1) ... [2023-11-23 20:10:36,895 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:36" (1/1) ... [2023-11-23 20:10:36,911 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:36" (1/1) ... [2023-11-23 20:10:36,914 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:36" (1/1) ... [2023-11-23 20:10:36,916 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:36" (1/1) ... [2023-11-23 20:10:36,924 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:10:36,925 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:10:36,931 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:10:36,931 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:10:36,932 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:36" (1/1) ... [2023-11-23 20:10:36,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:10:36,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e147c947-21fc-480b-b3b6-b57934e623e4/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:10:37,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e147c947-21fc-480b-b3b6-b57934e623e4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:10:37,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e147c947-21fc-480b-b3b6-b57934e623e4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:10:37,097 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-23 20:10:37,097 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-23 20:10:37,097 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-23 20:10:37,097 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-23 20:10:37,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:10:37,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:10:37,100 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-23 20:10:37,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:10:37,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:10:37,100 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-23 20:10:37,100 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-23 20:10:37,100 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-23 20:10:37,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:10:37,101 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-23 20:10:37,101 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-23 20:10:37,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:10:37,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:10:37,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:10:37,104 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:10:37,248 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:10:37,251 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:10:37,619 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:10:37,646 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:10:37,649 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:10:37,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:37 BoogieIcfgContainer [2023-11-23 20:10:37,651 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:10:37,652 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:10:37,652 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:10:37,663 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:10:37,664 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:37" (1/1) ... [2023-11-23 20:10:37,665 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-23 20:10:37,674 INFO L158 Benchmark]: Toolchain (without parser) took 1845.37ms. Allocated memory is still 148.9MB. Free memory was 117.2MB in the beginning and 97.4MB in the end (delta: 19.8MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2023-11-23 20:10:37,674 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:10:37,676 INFO L158 Benchmark]: CACSL2BoogieTranslator took 928.40ms. Allocated memory is still 148.9MB. Free memory was 116.5MB in the beginning and 87.2MB in the end (delta: 29.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-23 20:10:37,676 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.61ms. Allocated memory is still 148.9MB. Free memory was 87.1MB in the beginning and 84.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:10:37,678 INFO L158 Benchmark]: Boogie Preprocessor took 71.95ms. Allocated memory is still 148.9MB. Free memory was 84.4MB in the beginning and 82.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:10:37,679 INFO L158 Benchmark]: RCFGBuilder took 726.63ms. Allocated memory is still 148.9MB. Free memory was 82.3MB in the beginning and 98.5MB in the end (delta: -16.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:10:37,680 INFO L158 Benchmark]: CodeCheck took 19.40ms. Allocated memory is still 148.9MB. Free memory was 97.6MB in the beginning and 97.4MB in the end (delta: 209.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:10:37,689 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 0.32ms. Allocated memory is still 121.6MB. Free memory is still 94.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 928.40ms. Allocated memory is still 148.9MB. Free memory was 116.5MB in the beginning and 87.2MB in the end (delta: 29.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.61ms. Allocated memory is still 148.9MB. Free memory was 87.1MB in the beginning and 84.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.95ms. Allocated memory is still 148.9MB. Free memory was 84.4MB in the beginning and 82.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 726.63ms. Allocated memory is still 148.9MB. Free memory was 82.3MB in the beginning and 98.5MB in the end (delta: -16.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * CodeCheck took 19.40ms. Allocated memory is still 148.9MB. Free memory was 97.6MB in the beginning and 97.4MB in the end (delta: 209.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:10:37,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e147c947-21fc-480b-b3b6-b57934e623e4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_e147c947-21fc-480b-b3b6-b57934e623e4/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e147c947-21fc-480b-b3b6-b57934e623e4/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e147c947-21fc-480b-b3b6-b57934e623e4/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e147c947-21fc-480b-b3b6-b57934e623e4/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e147c947-21fc-480b-b3b6-b57934e623e4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e147c947-21fc-480b-b3b6-b57934e623e4/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:10:40,418 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:10:40,543 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e147c947-21fc-480b-b3b6-b57934e623e4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:10:40,603 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:10:40,604 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:10:40,605 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:10:40,606 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:10:40,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:10:40,608 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:10:40,611 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:10:40,611 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:10:40,612 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:10:40,613 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:10:40,619 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:10:40,620 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:10:40,620 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:10:40,620 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:10:40,621 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:10:40,621 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:10:40,622 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:10:40,622 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:10:40,623 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:10:40,623 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:10:40,623 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:10:40,624 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:10:40,624 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:10:40,625 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:10:40,625 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:10:40,626 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:10:40,626 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:10:40,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:10:40,628 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:10:40,628 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:10:40,629 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:10:40,629 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:10:40,629 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:10:40,629 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:10:40,630 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:10:40,630 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:10:40,631 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_e147c947-21fc-480b-b3b6-b57934e623e4/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e147c947-21fc-480b-b3b6-b57934e623e4/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2023-11-23 20:10:41,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:10:41,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:10:41,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:10:41,077 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:10:41,078 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:10:41,080 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e147c947-21fc-480b-b3b6-b57934e623e4/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread/stack_longest-2.i [2023-11-23 20:10:44,276 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:10:44,692 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:10:44,692 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e147c947-21fc-480b-b3b6-b57934e623e4/sv-benchmarks/c/pthread/stack_longest-2.i [2023-11-23 20:10:44,723 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e147c947-21fc-480b-b3b6-b57934e623e4/bin/ukojak-verify-1t5iHCbJaC/data/2b8224626/90ae979f148144c69bee1b88389f548e/FLAG2616d1b65 [2023-11-23 20:10:44,737 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e147c947-21fc-480b-b3b6-b57934e623e4/bin/ukojak-verify-1t5iHCbJaC/data/2b8224626/90ae979f148144c69bee1b88389f548e [2023-11-23 20:10:44,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:10:44,742 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:10:44,743 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:10:44,743 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:10:44,748 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:10:44,749 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:10:44" (1/1) ... [2023-11-23 20:10:44,750 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f2193a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:44, skipping insertion in model container [2023-11-23 20:10:44,750 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:10:44" (1/1) ... [2023-11-23 20:10:44,809 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:10:45,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:10:45,433 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:10:45,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:10:45,640 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:10:45,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:45 WrapperNode [2023-11-23 20:10:45,640 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:10:45,664 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:10:45,665 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:10:45,665 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:10:45,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:45" (1/1) ... [2023-11-23 20:10:45,704 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:45" (1/1) ... [2023-11-23 20:10:45,757 INFO L138 Inliner]: procedures = 282, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 154 [2023-11-23 20:10:45,758 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:10:45,760 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:10:45,763 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:10:45,763 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:10:45,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:45" (1/1) ... [2023-11-23 20:10:45,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:45" (1/1) ... [2023-11-23 20:10:45,791 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:45" (1/1) ... [2023-11-23 20:10:45,792 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:45" (1/1) ... [2023-11-23 20:10:45,808 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:45" (1/1) ... [2023-11-23 20:10:45,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:45" (1/1) ... [2023-11-23 20:10:45,827 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:45" (1/1) ... [2023-11-23 20:10:45,842 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:45" (1/1) ... [2023-11-23 20:10:45,846 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:10:45,847 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:10:45,848 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:10:45,848 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:10:45,849 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:45" (1/1) ... [2023-11-23 20:10:45,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:10:45,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e147c947-21fc-480b-b3b6-b57934e623e4/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:10:45,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e147c947-21fc-480b-b3b6-b57934e623e4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:10:45,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e147c947-21fc-480b-b3b6-b57934e623e4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:10:45,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:10:45,944 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-23 20:10:45,945 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-23 20:10:45,945 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-23 20:10:45,946 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-23 20:10:45,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:10:45,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:10:45,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:10:45,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:10:45,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 20:10:45,947 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-23 20:10:45,947 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-23 20:10:45,947 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-23 20:10:45,947 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-23 20:10:45,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:10:45,948 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-23 20:10:45,949 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-23 20:10:45,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:10:45,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:10:45,951 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:10:46,191 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:10:46,194 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:10:46,481 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:10:46,528 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:10:46,528 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:10:46,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:46 BoogieIcfgContainer [2023-11-23 20:10:46,530 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:10:46,531 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:10:46,532 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:10:46,542 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:10:46,542 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:46" (1/1) ... [2023-11-23 20:10:46,543 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-23 20:10:46,548 INFO L158 Benchmark]: Toolchain (without parser) took 1805.74ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 37.5MB in the beginning and 54.8MB in the end (delta: -17.3MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2023-11-23 20:10:46,549 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 62.9MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:10:46,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 920.50ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 37.4MB in the beginning and 59.3MB in the end (delta: -22.0MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2023-11-23 20:10:46,550 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.04ms. Allocated memory is still 81.8MB. Free memory was 59.3MB in the beginning and 56.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:10:46,551 INFO L158 Benchmark]: Boogie Preprocessor took 87.01ms. Allocated memory is still 81.8MB. Free memory was 56.5MB in the beginning and 54.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:10:46,552 INFO L158 Benchmark]: RCFGBuilder took 683.25ms. Allocated memory is still 81.8MB. Free memory was 54.4MB in the beginning and 56.1MB in the end (delta: -1.7MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2023-11-23 20:10:46,553 INFO L158 Benchmark]: CodeCheck took 14.91ms. Allocated memory is still 81.8MB. Free memory was 55.7MB in the beginning and 54.8MB in the end (delta: 933.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:10:46,556 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 62.9MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 920.50ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 37.4MB in the beginning and 59.3MB in the end (delta: -22.0MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.04ms. Allocated memory is still 81.8MB. Free memory was 59.3MB in the beginning and 56.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.01ms. Allocated memory is still 81.8MB. Free memory was 56.5MB in the beginning and 54.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 683.25ms. Allocated memory is still 81.8MB. Free memory was 54.4MB in the beginning and 56.1MB in the end (delta: -1.7MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * CodeCheck took 14.91ms. Allocated memory is still 81.8MB. Free memory was 55.7MB in the beginning and 54.8MB in the end (delta: 933.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:10:46,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e147c947-21fc-480b-b3b6-b57934e623e4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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