./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/stack_longest-1.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_df6f214e-e87d-487b-8974-12c4bfff3aa0/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6f214e-e87d-487b-8974-12c4bfff3aa0/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_df6f214e-e87d-487b-8974-12c4bfff3aa0/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6f214e-e87d-487b-8974-12c4bfff3aa0/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6f214e-e87d-487b-8974-12c4bfff3aa0/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_df6f214e-e87d-487b-8974-12c4bfff3aa0/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 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:08:41,015 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:08:41,133 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6f214e-e87d-487b-8974-12c4bfff3aa0/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:08:41,145 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:08:41,145 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:08:41,194 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:08:41,195 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:08:41,196 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:08:41,197 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:08:41,205 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:08:41,207 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:08:41,207 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:08:41,208 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:08:41,210 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:08:41,210 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:08:41,211 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:08:41,211 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:08:41,212 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:08:41,212 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:08:41,212 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:08:41,213 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:08:41,214 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:08:41,214 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:08:41,216 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:08:41,217 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:08:41,217 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:08:41,218 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:08:41,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:08:41,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:08:41,219 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:08:41,221 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:08:41,221 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:08:41,221 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:08:41,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:08:41,222 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:08:41,222 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_df6f214e-e87d-487b-8974-12c4bfff3aa0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6f214e-e87d-487b-8974-12c4bfff3aa0/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 [2023-11-23 20:08:41,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:08:41,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:08:41,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:08:41,590 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:08:41,590 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:08:41,592 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6f214e-e87d-487b-8974-12c4bfff3aa0/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread/stack_longest-1.i [2023-11-23 20:08:44,791 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:08:45,254 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:08:45,254 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6f214e-e87d-487b-8974-12c4bfff3aa0/sv-benchmarks/c/pthread/stack_longest-1.i [2023-11-23 20:08:45,281 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6f214e-e87d-487b-8974-12c4bfff3aa0/bin/ukojak-verify-1t5iHCbJaC/data/ef64ff270/87ff4bc60ff6498b85ba04d57cea0141/FLAGebc6252e1 [2023-11-23 20:08:45,300 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6f214e-e87d-487b-8974-12c4bfff3aa0/bin/ukojak-verify-1t5iHCbJaC/data/ef64ff270/87ff4bc60ff6498b85ba04d57cea0141 [2023-11-23 20:08:45,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:08:45,307 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:08:45,309 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:08:45,310 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:08:45,317 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:08:45,320 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:08:45" (1/1) ... [2023-11-23 20:08:45,322 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@592ab412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:45, skipping insertion in model container [2023-11-23 20:08:45,322 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:08:45" (1/1) ... [2023-11-23 20:08:45,388 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:08:46,032 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:08:46,046 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:08:46,135 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:08:46,202 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:08:46,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:46 WrapperNode [2023-11-23 20:08:46,203 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:08:46,204 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:08:46,204 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:08:46,205 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:08:46,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:46" (1/1) ... [2023-11-23 20:08:46,250 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:46" (1/1) ... [2023-11-23 20:08:46,304 INFO L138 Inliner]: procedures = 278, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 162 [2023-11-23 20:08:46,304 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:08:46,305 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:08:46,306 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:08:46,306 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:08:46,316 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:46" (1/1) ... [2023-11-23 20:08:46,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:46" (1/1) ... [2023-11-23 20:08:46,337 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:46" (1/1) ... [2023-11-23 20:08:46,339 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:46" (1/1) ... [2023-11-23 20:08:46,356 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:46" (1/1) ... [2023-11-23 20:08:46,375 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:46" (1/1) ... [2023-11-23 20:08:46,378 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:46" (1/1) ... [2023-11-23 20:08:46,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:46" (1/1) ... [2023-11-23 20:08:46,383 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:08:46,384 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:08:46,384 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:08:46,385 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:08:46,385 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:46" (1/1) ... [2023-11-23 20:08:46,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:08:46,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6f214e-e87d-487b-8974-12c4bfff3aa0/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:08:46,431 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6f214e-e87d-487b-8974-12c4bfff3aa0/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:08:46,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6f214e-e87d-487b-8974-12c4bfff3aa0/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:08:46,476 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-23 20:08:46,476 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-23 20:08:46,477 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-23 20:08:46,477 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-23 20:08:46,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:08:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:08:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-23 20:08:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:08:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:08:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-23 20:08:46,480 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-23 20:08:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-23 20:08:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:08:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-23 20:08:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-23 20:08:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:08:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:08:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:08:46,483 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 20:08:46,653 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:08:46,658 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:08:47,031 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:08:47,057 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:08:47,057 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:08:47,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:08:47 BoogieIcfgContainer [2023-11-23 20:08:47,059 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:08:47,060 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:08:47,060 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:08:47,071 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:08:47,071 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:08:47" (1/1) ... [2023-11-23 20:08:47,072 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 20:08:47,100 INFO L158 Benchmark]: Toolchain (without parser) took 1791.56ms. Allocated memory is still 148.9MB. Free memory was 114.2MB in the beginning and 117.4MB in the end (delta: -3.1MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. [2023-11-23 20:08:47,100 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 113.2MB. Free memory was 65.7MB in the beginning and 65.5MB in the end (delta: 241.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:08:47,102 INFO L158 Benchmark]: CACSL2BoogieTranslator took 894.15ms. Allocated memory is still 148.9MB. Free memory was 114.2MB in the beginning and 84.4MB in the end (delta: 29.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-23 20:08:47,103 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.85ms. Allocated memory is still 148.9MB. Free memory was 84.4MB in the beginning and 81.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:08:47,104 INFO L158 Benchmark]: Boogie Preprocessor took 77.90ms. Allocated memory is still 148.9MB. Free memory was 81.9MB in the beginning and 79.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:08:47,105 INFO L158 Benchmark]: RCFGBuilder took 675.33ms. Allocated memory is still 148.9MB. Free memory was 79.8MB in the beginning and 59.3MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-23 20:08:47,106 INFO L158 Benchmark]: CodeCheck took 37.60ms. Allocated memory is still 148.9MB. Free memory was 59.3MB in the beginning and 117.4MB in the end (delta: -58.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 20:08:47,117 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 0.38ms. Allocated memory is still 113.2MB. Free memory was 65.7MB in the beginning and 65.5MB in the end (delta: 241.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 894.15ms. Allocated memory is still 148.9MB. Free memory was 114.2MB in the beginning and 84.4MB in the end (delta: 29.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.85ms. Allocated memory is still 148.9MB. Free memory was 84.4MB in the beginning and 81.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.90ms. Allocated memory is still 148.9MB. Free memory was 81.9MB in the beginning and 79.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 675.33ms. Allocated memory is still 148.9MB. Free memory was 79.8MB in the beginning and 59.3MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 37.60ms. Allocated memory is still 148.9MB. Free memory was 59.3MB in the beginning and 117.4MB in the end (delta: -58.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:08:47,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6f214e-e87d-487b-8974-12c4bfff3aa0/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6f214e-e87d-487b-8974-12c4bfff3aa0/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6f214e-e87d-487b-8974-12c4bfff3aa0/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_df6f214e-e87d-487b-8974-12c4bfff3aa0/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6f214e-e87d-487b-8974-12c4bfff3aa0/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6f214e-e87d-487b-8974-12c4bfff3aa0/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_df6f214e-e87d-487b-8974-12c4bfff3aa0/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 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:08:49,849 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:08:50,002 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6f214e-e87d-487b-8974-12c4bfff3aa0/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:08:50,053 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:08:50,054 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:08:50,055 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:08:50,056 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:08:50,056 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:08:50,058 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:08:50,063 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:08:50,063 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:08:50,064 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:08:50,064 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:08:50,066 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:08:50,066 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:08:50,067 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:08:50,067 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:08:50,068 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:08:50,068 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:08:50,069 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:08:50,069 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:08:50,070 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:08:50,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:08:50,071 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:08:50,071 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:08:50,072 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:08:50,072 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:08:50,072 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:08:50,073 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:08:50,073 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:08:50,075 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:08:50,075 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:08:50,075 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:08:50,076 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:08:50,076 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:08:50,076 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:08:50,077 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:08:50,077 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:08:50,077 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:08:50,078 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_df6f214e-e87d-487b-8974-12c4bfff3aa0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6f214e-e87d-487b-8974-12c4bfff3aa0/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 [2023-11-23 20:08:50,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:08:50,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:08:50,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:08:50,532 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:08:50,533 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:08:50,535 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6f214e-e87d-487b-8974-12c4bfff3aa0/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread/stack_longest-1.i [2023-11-23 20:08:53,909 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:08:54,294 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:08:54,295 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6f214e-e87d-487b-8974-12c4bfff3aa0/sv-benchmarks/c/pthread/stack_longest-1.i [2023-11-23 20:08:54,314 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6f214e-e87d-487b-8974-12c4bfff3aa0/bin/ukojak-verify-1t5iHCbJaC/data/f5b3a9fd0/2ad00e6fe3bf413ba894d16c8a32cabb/FLAG6f71f4bd5 [2023-11-23 20:08:54,327 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6f214e-e87d-487b-8974-12c4bfff3aa0/bin/ukojak-verify-1t5iHCbJaC/data/f5b3a9fd0/2ad00e6fe3bf413ba894d16c8a32cabb [2023-11-23 20:08:54,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:08:54,331 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:08:54,335 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:08:54,335 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:08:54,339 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:08:54,340 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:08:54" (1/1) ... [2023-11-23 20:08:54,341 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31eccc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:54, skipping insertion in model container [2023-11-23 20:08:54,341 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:08:54" (1/1) ... [2023-11-23 20:08:54,418 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:08:55,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:08:55,162 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:08:55,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:08:55,397 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:08:55,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:55 WrapperNode [2023-11-23 20:08:55,397 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:08:55,399 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:08:55,399 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:08:55,399 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:08:55,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:55" (1/1) ... [2023-11-23 20:08:55,449 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:55" (1/1) ... [2023-11-23 20:08:55,497 INFO L138 Inliner]: procedures = 282, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 158 [2023-11-23 20:08:55,497 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:08:55,498 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:08:55,501 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:08:55,502 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:08:55,511 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:55" (1/1) ... [2023-11-23 20:08:55,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:55" (1/1) ... [2023-11-23 20:08:55,527 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:55" (1/1) ... [2023-11-23 20:08:55,527 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:55" (1/1) ... [2023-11-23 20:08:55,548 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:55" (1/1) ... [2023-11-23 20:08:55,552 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:55" (1/1) ... [2023-11-23 20:08:55,555 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:55" (1/1) ... [2023-11-23 20:08:55,557 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:55" (1/1) ... [2023-11-23 20:08:55,575 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:08:55,576 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:08:55,576 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:08:55,576 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:08:55,577 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:55" (1/1) ... [2023-11-23 20:08:55,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:08:55,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6f214e-e87d-487b-8974-12c4bfff3aa0/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:08:55,630 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6f214e-e87d-487b-8974-12c4bfff3aa0/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:08:55,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6f214e-e87d-487b-8974-12c4bfff3aa0/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:08:55,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:08:55,679 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-23 20:08:55,680 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-23 20:08:55,680 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-23 20:08:55,681 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-23 20:08:55,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:08:55,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:08:55,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:08:55,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:08:55,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 20:08:55,682 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-23 20:08:55,682 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-23 20:08:55,682 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-23 20:08:55,682 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-23 20:08:55,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:08:55,683 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-23 20:08:55,684 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-23 20:08:55,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:08:55,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:08:55,686 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 20:08:55,930 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:08:55,932 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:08:56,334 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:08:56,377 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:08:56,378 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:08:56,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:08:56 BoogieIcfgContainer [2023-11-23 20:08:56,380 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:08:56,380 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:08:56,381 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:08:56,393 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:08:56,393 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:08:56" (1/1) ... [2023-11-23 20:08:56,394 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 20:08:56,400 INFO L158 Benchmark]: Toolchain (without parser) took 2067.66ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 39.5MB in the beginning and 58.4MB in the end (delta: -18.9MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2023-11-23 20:08:56,400 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 65.0MB. Free memory was 40.8MB in the beginning and 40.8MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:08:56,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1063.01ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 39.4MB in the beginning and 63.8MB in the end (delta: -24.4MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2023-11-23 20:08:56,402 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.71ms. Allocated memory is still 88.1MB. Free memory was 63.8MB in the beginning and 61.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:08:56,403 INFO L158 Benchmark]: Boogie Preprocessor took 76.73ms. Allocated memory is still 88.1MB. Free memory was 61.0MB in the beginning and 58.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:08:56,404 INFO L158 Benchmark]: RCFGBuilder took 803.93ms. Allocated memory is still 88.1MB. Free memory was 58.5MB in the beginning and 59.5MB in the end (delta: -1.0MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2023-11-23 20:08:56,405 INFO L158 Benchmark]: CodeCheck took 17.48ms. Allocated memory is still 88.1MB. Free memory was 59.5MB in the beginning and 58.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:08:56,408 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 0.35ms. Allocated memory is still 65.0MB. Free memory was 40.8MB in the beginning and 40.8MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1063.01ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 39.4MB in the beginning and 63.8MB in the end (delta: -24.4MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.71ms. Allocated memory is still 88.1MB. Free memory was 63.8MB in the beginning and 61.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.73ms. Allocated memory is still 88.1MB. Free memory was 61.0MB in the beginning and 58.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 803.93ms. Allocated memory is still 88.1MB. Free memory was 58.5MB in the beginning and 59.5MB in the end (delta: -1.0MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. * CodeCheck took 17.48ms. Allocated memory is still 88.1MB. Free memory was 59.5MB in the beginning and 58.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:08:56,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df6f214e-e87d-487b-8974-12c4bfff3aa0/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported