./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.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_d1988163-8e21-4a12-9cff-ccbb47d9e3eb/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1988163-8e21-4a12-9cff-ccbb47d9e3eb/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_d1988163-8e21-4a12-9cff-ccbb47d9e3eb/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1988163-8e21-4a12-9cff-ccbb47d9e3eb/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1988163-8e21-4a12-9cff-ccbb47d9e3eb/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_d1988163-8e21-4a12-9cff-ccbb47d9e3eb/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 6bed9188bb7b7687ebd02ffac8f3cae5646a3288850778355d808dde868a6cf7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:12:24,673 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:12:24,761 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1988163-8e21-4a12-9cff-ccbb47d9e3eb/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:12:24,779 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:12:24,780 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:12:24,819 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:12:24,820 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:12:24,820 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:12:24,821 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:12:24,826 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:12:24,827 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:12:24,828 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:12:24,828 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:12:24,830 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:12:24,831 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:12:24,831 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:12:24,831 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:12:24,832 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:12:24,832 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:12:24,833 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:12:24,833 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:12:24,834 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:12:24,834 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:12:24,834 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:12:24,835 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:12:24,835 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:12:24,836 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:12:24,836 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:12:24,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:24,837 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:12:24,837 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:12:24,838 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:12:24,838 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:12:24,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:12:24,839 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:12:24,839 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_d1988163-8e21-4a12-9cff-ccbb47d9e3eb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1988163-8e21-4a12-9cff-ccbb47d9e3eb/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bed9188bb7b7687ebd02ffac8f3cae5646a3288850778355d808dde868a6cf7 [2023-11-23 20:12:25,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:12:25,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:12:25,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:12:25,200 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:12:25,201 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:12:25,202 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1988163-8e21-4a12-9cff-ccbb47d9e3eb/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i [2023-11-23 20:12:28,336 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:12:28,588 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:12:28,588 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1988163-8e21-4a12-9cff-ccbb47d9e3eb/sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i [2023-11-23 20:12:28,610 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1988163-8e21-4a12-9cff-ccbb47d9e3eb/bin/ukojak-verify-1t5iHCbJaC/data/5a94055c8/3a8304045e734fd5b1a93104bf26c174/FLAG10dd7c3b3 [2023-11-23 20:12:28,625 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1988163-8e21-4a12-9cff-ccbb47d9e3eb/bin/ukojak-verify-1t5iHCbJaC/data/5a94055c8/3a8304045e734fd5b1a93104bf26c174 [2023-11-23 20:12:28,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:12:28,629 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:12:28,630 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:28,631 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:12:28,655 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:12:28,655 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:28" (1/1) ... [2023-11-23 20:12:28,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bdbadd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:28, skipping insertion in model container [2023-11-23 20:12:28,657 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:28" (1/1) ... [2023-11-23 20:12:28,732 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:12:29,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:29,173 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:12:29,257 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:29,299 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:29,299 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:29,305 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:12:29,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:29 WrapperNode [2023-11-23 20:12:29,306 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:29,307 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:29,307 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:12:29,307 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:12:29,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:29" (1/1) ... [2023-11-23 20:12:29,342 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:29" (1/1) ... [2023-11-23 20:12:29,371 INFO L138 Inliner]: procedures = 172, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 145 [2023-11-23 20:12:29,372 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:29,373 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:12:29,373 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:12:29,373 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:12:29,390 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:29" (1/1) ... [2023-11-23 20:12:29,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:29" (1/1) ... [2023-11-23 20:12:29,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:29" (1/1) ... [2023-11-23 20:12:29,395 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:29" (1/1) ... [2023-11-23 20:12:29,406 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:29" (1/1) ... [2023-11-23 20:12:29,411 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:29" (1/1) ... [2023-11-23 20:12:29,413 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:29" (1/1) ... [2023-11-23 20:12:29,415 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:29" (1/1) ... [2023-11-23 20:12:29,418 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:12:29,430 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:12:29,430 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:12:29,430 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:12:29,431 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:29" (1/1) ... [2023-11-23 20:12:29,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:29,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1988163-8e21-4a12-9cff-ccbb47d9e3eb/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:12:29,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1988163-8e21-4a12-9cff-ccbb47d9e3eb/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:12:29,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1988163-8e21-4a12-9cff-ccbb47d9e3eb/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:12:29,514 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-23 20:12:29,515 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-23 20:12:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:12:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-23 20:12:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:12:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:12:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:12:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:12:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2023-11-23 20:12:29,516 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2023-11-23 20:12:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:12:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:12:29,517 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-23 20:12:29,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:12:29,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:12:29,519 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 20:12:29,655 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:12:29,658 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:12:29,892 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:12:30,031 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:12:30,031 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:12:30,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:30 BoogieIcfgContainer [2023-11-23 20:12:30,033 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:12:30,034 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:12:30,034 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:12:30,047 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:12:30,048 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:30" (1/1) ... [2023-11-23 20:12:30,049 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 20:12:30,054 INFO L158 Benchmark]: Toolchain (without parser) took 1423.30ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 66.7MB in the beginning and 85.8MB in the end (delta: -19.1MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2023-11-23 20:12:30,054 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 132.1MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:12:30,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 675.75ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 66.6MB in the beginning and 114.2MB in the end (delta: -47.6MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2023-11-23 20:12:30,056 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.91ms. Allocated memory is still 163.6MB. Free memory was 114.2MB in the beginning and 112.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:12:30,057 INFO L158 Benchmark]: Boogie Preprocessor took 57.15ms. Allocated memory is still 163.6MB. Free memory was 112.1MB in the beginning and 111.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:12:30,058 INFO L158 Benchmark]: RCFGBuilder took 602.67ms. Allocated memory is still 163.6MB. Free memory was 111.0MB in the beginning and 87.0MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-23 20:12:30,059 INFO L158 Benchmark]: CodeCheck took 17.97ms. Allocated memory is still 163.6MB. Free memory was 86.1MB in the beginning and 85.8MB in the end (delta: 263.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:12:30,068 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 0.29ms. Allocated memory is still 132.1MB. Free memory is still 102.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 675.75ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 66.6MB in the beginning and 114.2MB in the end (delta: -47.6MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.91ms. Allocated memory is still 163.6MB. Free memory was 114.2MB in the beginning and 112.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.15ms. Allocated memory is still 163.6MB. Free memory was 112.1MB in the beginning and 111.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 602.67ms. Allocated memory is still 163.6MB. Free memory was 111.0MB in the beginning and 87.0MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 17.97ms. Allocated memory is still 163.6MB. Free memory was 86.1MB in the beginning and 85.8MB in the end (delta: 263.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:12:30,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1988163-8e21-4a12-9cff-ccbb47d9e3eb/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_d1988163-8e21-4a12-9cff-ccbb47d9e3eb/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1988163-8e21-4a12-9cff-ccbb47d9e3eb/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_d1988163-8e21-4a12-9cff-ccbb47d9e3eb/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1988163-8e21-4a12-9cff-ccbb47d9e3eb/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1988163-8e21-4a12-9cff-ccbb47d9e3eb/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_d1988163-8e21-4a12-9cff-ccbb47d9e3eb/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 6bed9188bb7b7687ebd02ffac8f3cae5646a3288850778355d808dde868a6cf7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:12:32,868 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:12:32,988 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1988163-8e21-4a12-9cff-ccbb47d9e3eb/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:12:33,048 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:12:33,051 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:12:33,052 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:12:33,053 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:12:33,053 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:12:33,055 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:12:33,060 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:12:33,061 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:12:33,062 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:12:33,062 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:12:33,063 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:12:33,063 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:12:33,064 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:12:33,064 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:12:33,065 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:12:33,065 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:12:33,067 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:12:33,067 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:12:33,068 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:12:33,069 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:12:33,069 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:12:33,070 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:12:33,070 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:12:33,071 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:12:33,071 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:12:33,072 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:12:33,073 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:12:33,074 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:33,075 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:12:33,075 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:12:33,076 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:12:33,076 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:12:33,076 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:12:33,077 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:12:33,077 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:12:33,077 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:12:33,079 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_d1988163-8e21-4a12-9cff-ccbb47d9e3eb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1988163-8e21-4a12-9cff-ccbb47d9e3eb/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bed9188bb7b7687ebd02ffac8f3cae5646a3288850778355d808dde868a6cf7 [2023-11-23 20:12:33,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:12:33,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:12:33,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:12:33,637 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:12:33,638 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:12:33,639 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1988163-8e21-4a12-9cff-ccbb47d9e3eb/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i [2023-11-23 20:12:36,976 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:12:37,376 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:12:37,376 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1988163-8e21-4a12-9cff-ccbb47d9e3eb/sv-benchmarks/c/pthread-ext/25_stack_longest-2-pthread.i [2023-11-23 20:12:37,393 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1988163-8e21-4a12-9cff-ccbb47d9e3eb/bin/ukojak-verify-1t5iHCbJaC/data/d61856eb6/451e255d418946318892e9123c21fcd2/FLAGdf2eba195 [2023-11-23 20:12:37,418 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1988163-8e21-4a12-9cff-ccbb47d9e3eb/bin/ukojak-verify-1t5iHCbJaC/data/d61856eb6/451e255d418946318892e9123c21fcd2 [2023-11-23 20:12:37,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:12:37,431 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:12:37,435 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:37,437 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:12:37,442 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:12:37,442 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:37" (1/1) ... [2023-11-23 20:12:37,444 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b69bc28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:37, skipping insertion in model container [2023-11-23 20:12:37,444 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:37" (1/1) ... [2023-11-23 20:12:37,516 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:12:38,033 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:38,056 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:12:38,167 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:38,232 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:38,232 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:12:38,240 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:12:38,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:38 WrapperNode [2023-11-23 20:12:38,241 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:38,243 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:38,243 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:12:38,243 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:12:38,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:38" (1/1) ... [2023-11-23 20:12:38,286 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:38" (1/1) ... [2023-11-23 20:12:38,333 INFO L138 Inliner]: procedures = 176, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 142 [2023-11-23 20:12:38,334 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:38,334 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:12:38,335 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:12:38,336 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:12:38,346 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:38" (1/1) ... [2023-11-23 20:12:38,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:38" (1/1) ... [2023-11-23 20:12:38,363 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:38" (1/1) ... [2023-11-23 20:12:38,365 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:38" (1/1) ... [2023-11-23 20:12:38,380 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:38" (1/1) ... [2023-11-23 20:12:38,390 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:38" (1/1) ... [2023-11-23 20:12:38,395 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:38" (1/1) ... [2023-11-23 20:12:38,407 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:38" (1/1) ... [2023-11-23 20:12:38,412 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:12:38,418 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:12:38,418 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:12:38,418 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:12:38,419 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:38" (1/1) ... [2023-11-23 20:12:38,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:38,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1988163-8e21-4a12-9cff-ccbb47d9e3eb/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:12:38,462 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1988163-8e21-4a12-9cff-ccbb47d9e3eb/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:12:38,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1988163-8e21-4a12-9cff-ccbb47d9e3eb/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:12:38,506 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-23 20:12:38,506 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-23 20:12:38,506 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-23 20:12:38,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:12:38,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:12:38,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:12:38,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:12:38,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:12:38,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:12:38,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 20:12:38,508 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2023-11-23 20:12:38,508 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2023-11-23 20:12:38,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:12:38,508 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-23 20:12:38,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:12:38,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:12:38,510 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 20:12:38,667 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:12:38,669 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:12:38,969 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:12:39,072 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:12:39,072 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:12:39,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:39 BoogieIcfgContainer [2023-11-23 20:12:39,074 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:12:39,074 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:12:39,075 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:12:39,085 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:12:39,085 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:39" (1/1) ... [2023-11-23 20:12:39,087 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 20:12:39,093 INFO L158 Benchmark]: Toolchain (without parser) took 1661.60ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 54.2MB in the beginning and 67.7MB in the end (delta: -13.4MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2023-11-23 20:12:39,095 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 79.7MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:12:39,096 INFO L158 Benchmark]: CACSL2BoogieTranslator took 806.95ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 54.0MB in the beginning and 71.1MB in the end (delta: -17.0MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2023-11-23 20:12:39,097 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.02ms. Allocated memory is still 100.7MB. Free memory was 71.1MB in the beginning and 68.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:12:39,098 INFO L158 Benchmark]: Boogie Preprocessor took 82.59ms. Allocated memory is still 100.7MB. Free memory was 68.9MB in the beginning and 66.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:12:39,099 INFO L158 Benchmark]: RCFGBuilder took 655.96ms. Allocated memory is still 100.7MB. Free memory was 66.7MB in the beginning and 68.6MB in the end (delta: -1.8MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2023-11-23 20:12:39,100 INFO L158 Benchmark]: CodeCheck took 17.25ms. Allocated memory is still 100.7MB. Free memory was 68.6MB in the beginning and 67.7MB in the end (delta: 893.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:12:39,109 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 0.24ms. Allocated memory is still 79.7MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 806.95ms. Allocated memory was 79.7MB in the beginning and 100.7MB in the end (delta: 21.0MB). Free memory was 54.0MB in the beginning and 71.1MB in the end (delta: -17.0MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.02ms. Allocated memory is still 100.7MB. Free memory was 71.1MB in the beginning and 68.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.59ms. Allocated memory is still 100.7MB. Free memory was 68.9MB in the beginning and 66.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 655.96ms. Allocated memory is still 100.7MB. Free memory was 66.7MB in the beginning and 68.6MB in the end (delta: -1.8MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * CodeCheck took 17.25ms. Allocated memory is still 100.7MB. Free memory was 68.6MB in the beginning and 67.7MB in the end (delta: 893.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:12:39,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1988163-8e21-4a12-9cff-ccbb47d9e3eb/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