./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_662fd788-1b92-4e20-8e35-c6db59c5fb0a/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_662fd788-1b92-4e20-8e35-c6db59c5fb0a/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_662fd788-1b92-4e20-8e35-c6db59c5fb0a/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_662fd788-1b92-4e20-8e35-c6db59c5fb0a/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_662fd788-1b92-4e20-8e35-c6db59c5fb0a/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_662fd788-1b92-4e20-8e35-c6db59c5fb0a/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 854e371c98b43d805c328b457758892c4a501d7b326c2672c089850792494a4b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:02:14,101 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:02:14,250 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_662fd788-1b92-4e20-8e35-c6db59c5fb0a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:02:14,260 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:02:14,261 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:02:14,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:02:14,300 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:02:14,301 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:02:14,302 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:02:14,303 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:02:14,304 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:02:14,305 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:02:14,305 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:02:14,306 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:02:14,307 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:02:14,308 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:02:14,309 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:02:14,309 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:02:14,310 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:02:14,311 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:02:14,311 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:02:14,313 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:02:14,314 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:02:14,315 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:02:14,315 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:02:14,316 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:02:14,318 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:02:14,318 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:02:14,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:02:14,319 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:02:14,321 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:02:14,322 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:02:14,322 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:02:14,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:02:14,323 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:02:14,323 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_662fd788-1b92-4e20-8e35-c6db59c5fb0a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_662fd788-1b92-4e20-8e35-c6db59c5fb0a/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 854e371c98b43d805c328b457758892c4a501d7b326c2672c089850792494a4b [2023-11-23 20:02:14,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:02:14,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:02:14,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:02:14,704 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:02:14,705 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:02:14,707 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_662fd788-1b92-4e20-8e35-c6db59c5fb0a/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread/fib_unsafe-6.i [2023-11-23 20:02:18,645 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:02:19,077 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:02:19,078 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_662fd788-1b92-4e20-8e35-c6db59c5fb0a/sv-benchmarks/c/pthread/fib_unsafe-6.i [2023-11-23 20:02:19,113 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_662fd788-1b92-4e20-8e35-c6db59c5fb0a/bin/ukojak-verify-1t5iHCbJaC/data/0ec43edda/c8e3607f1388450e85c5b7d30cea1350/FLAG2b9cc3d54 [2023-11-23 20:02:19,147 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_662fd788-1b92-4e20-8e35-c6db59c5fb0a/bin/ukojak-verify-1t5iHCbJaC/data/0ec43edda/c8e3607f1388450e85c5b7d30cea1350 [2023-11-23 20:02:19,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:02:19,152 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:02:19,154 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:02:19,154 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:02:19,162 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:02:19,163 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:02:19" (1/1) ... [2023-11-23 20:02:19,165 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@119c2d5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:19, skipping insertion in model container [2023-11-23 20:02:19,165 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:02:19" (1/1) ... [2023-11-23 20:02:19,226 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:02:19,765 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:02:19,785 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:02:19,851 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:02:19,900 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:02:19,901 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:02:19,910 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:02:19,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:19 WrapperNode [2023-11-23 20:02:19,911 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:02:19,913 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:02:19,913 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:02:19,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:02:19,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:19" (1/1) ... [2023-11-23 20:02:19,976 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:19" (1/1) ... [2023-11-23 20:02:20,023 INFO L138 Inliner]: procedures = 165, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 81 [2023-11-23 20:02:20,023 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:02:20,024 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:02:20,024 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:02:20,025 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:02:20,037 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:19" (1/1) ... [2023-11-23 20:02:20,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:19" (1/1) ... [2023-11-23 20:02:20,051 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:19" (1/1) ... [2023-11-23 20:02:20,052 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:19" (1/1) ... [2023-11-23 20:02:20,059 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:19" (1/1) ... [2023-11-23 20:02:20,064 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:19" (1/1) ... [2023-11-23 20:02:20,066 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:19" (1/1) ... [2023-11-23 20:02:20,069 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:19" (1/1) ... [2023-11-23 20:02:20,073 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:02:20,074 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:02:20,074 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:02:20,074 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:02:20,076 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:19" (1/1) ... [2023-11-23 20:02:20,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:02:20,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_662fd788-1b92-4e20-8e35-c6db59c5fb0a/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:02:20,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_662fd788-1b92-4e20-8e35-c6db59c5fb0a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:02:20,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_662fd788-1b92-4e20-8e35-c6db59c5fb0a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:02:20,166 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-23 20:02:20,167 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-23 20:02:20,167 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-23 20:02:20,169 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-23 20:02:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:02:20,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:02:20,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:02:20,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:02:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:02:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:02:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:02:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:02:20,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:02:20,174 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 20:02:20,347 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:02:20,350 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:02:20,643 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:02:20,693 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:02:20,693 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 20:02:20,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:02:20 BoogieIcfgContainer [2023-11-23 20:02:20,696 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:02:20,697 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:02:20,697 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:02:20,711 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:02:20,711 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:02:20" (1/1) ... [2023-11-23 20:02:20,712 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 20:02:20,718 INFO L158 Benchmark]: Toolchain (without parser) took 1564.49ms. Allocated memory is still 176.2MB. Free memory was 135.0MB in the beginning and 93.5MB in the end (delta: 41.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-23 20:02:20,719 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 125.8MB. Free memory is still 69.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:02:20,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 757.86ms. Allocated memory is still 176.2MB. Free memory was 135.0MB in the beginning and 115.6MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 20:02:20,722 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.49ms. Allocated memory is still 176.2MB. Free memory was 115.6MB in the beginning and 113.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:02:20,723 INFO L158 Benchmark]: Boogie Preprocessor took 48.75ms. Allocated memory is still 176.2MB. Free memory was 113.5MB in the beginning and 111.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:02:20,724 INFO L158 Benchmark]: RCFGBuilder took 622.13ms. Allocated memory is still 176.2MB. Free memory was 111.9MB in the beginning and 94.7MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:02:20,725 INFO L158 Benchmark]: CodeCheck took 18.71ms. Allocated memory is still 176.2MB. Free memory was 94.7MB in the beginning and 93.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:02:20,731 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 125.8MB. Free memory is still 69.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 757.86ms. Allocated memory is still 176.2MB. Free memory was 135.0MB in the beginning and 115.6MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.49ms. Allocated memory is still 176.2MB. Free memory was 115.6MB in the beginning and 113.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.75ms. Allocated memory is still 176.2MB. Free memory was 113.5MB in the beginning and 111.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 622.13ms. Allocated memory is still 176.2MB. Free memory was 111.9MB in the beginning and 94.7MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 18.71ms. Allocated memory is still 176.2MB. Free memory was 94.7MB in the beginning and 93.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:02:20,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_662fd788-1b92-4e20-8e35-c6db59c5fb0a/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_662fd788-1b92-4e20-8e35-c6db59c5fb0a/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_662fd788-1b92-4e20-8e35-c6db59c5fb0a/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_662fd788-1b92-4e20-8e35-c6db59c5fb0a/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_662fd788-1b92-4e20-8e35-c6db59c5fb0a/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_662fd788-1b92-4e20-8e35-c6db59c5fb0a/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_662fd788-1b92-4e20-8e35-c6db59c5fb0a/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 854e371c98b43d805c328b457758892c4a501d7b326c2672c089850792494a4b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:02:24,104 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:02:24,279 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_662fd788-1b92-4e20-8e35-c6db59c5fb0a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:02:24,349 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:02:24,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:02:24,351 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:02:24,353 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:02:24,353 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:02:24,355 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:02:24,361 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:02:24,362 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:02:24,362 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:02:24,363 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:02:24,365 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:02:24,366 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:02:24,366 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:02:24,367 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:02:24,367 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:02:24,368 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:02:24,369 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:02:24,370 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:02:24,371 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:02:24,371 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:02:24,372 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:02:24,372 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:02:24,373 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:02:24,374 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:02:24,374 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:02:24,375 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:02:24,375 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:02:24,376 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:02:24,376 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:02:24,377 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:02:24,377 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:02:24,378 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:02:24,378 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:02:24,378 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:02:24,379 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:02:24,379 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:02:24,379 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_662fd788-1b92-4e20-8e35-c6db59c5fb0a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_662fd788-1b92-4e20-8e35-c6db59c5fb0a/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 854e371c98b43d805c328b457758892c4a501d7b326c2672c089850792494a4b [2023-11-23 20:02:24,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:02:24,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:02:24,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:02:24,863 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:02:24,864 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:02:24,866 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_662fd788-1b92-4e20-8e35-c6db59c5fb0a/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread/fib_unsafe-6.i [2023-11-23 20:02:28,771 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:02:29,262 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:02:29,263 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_662fd788-1b92-4e20-8e35-c6db59c5fb0a/sv-benchmarks/c/pthread/fib_unsafe-6.i [2023-11-23 20:02:29,293 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_662fd788-1b92-4e20-8e35-c6db59c5fb0a/bin/ukojak-verify-1t5iHCbJaC/data/db372ae1a/c554ad7362964c7cb703c2829e6653d6/FLAG528fa473d [2023-11-23 20:02:29,318 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_662fd788-1b92-4e20-8e35-c6db59c5fb0a/bin/ukojak-verify-1t5iHCbJaC/data/db372ae1a/c554ad7362964c7cb703c2829e6653d6 [2023-11-23 20:02:29,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:02:29,328 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:02:29,333 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:02:29,333 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:02:29,339 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:02:29,340 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:02:29" (1/1) ... [2023-11-23 20:02:29,342 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4463216d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:29, skipping insertion in model container [2023-11-23 20:02:29,342 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:02:29" (1/1) ... [2023-11-23 20:02:29,417 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:02:29,939 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:02:29,971 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:02:30,062 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:02:30,110 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:02:30,111 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:02:30,121 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:02:30,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:30 WrapperNode [2023-11-23 20:02:30,122 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:02:30,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:02:30,124 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:02:30,124 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:02:30,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:30" (1/1) ... [2023-11-23 20:02:30,157 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:30" (1/1) ... [2023-11-23 20:02:30,188 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 81 [2023-11-23 20:02:30,209 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:02:30,210 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:02:30,210 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:02:30,210 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:02:30,222 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:30" (1/1) ... [2023-11-23 20:02:30,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:30" (1/1) ... [2023-11-23 20:02:30,231 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:30" (1/1) ... [2023-11-23 20:02:30,232 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:30" (1/1) ... [2023-11-23 20:02:30,280 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:30" (1/1) ... [2023-11-23 20:02:30,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:30" (1/1) ... [2023-11-23 20:02:30,288 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:30" (1/1) ... [2023-11-23 20:02:30,291 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:30" (1/1) ... [2023-11-23 20:02:30,319 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:02:30,320 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:02:30,320 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:02:30,320 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:02:30,321 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:02:30" (1/1) ... [2023-11-23 20:02:30,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:02:30,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_662fd788-1b92-4e20-8e35-c6db59c5fb0a/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:02:30,367 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_662fd788-1b92-4e20-8e35-c6db59c5fb0a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:02:30,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_662fd788-1b92-4e20-8e35-c6db59c5fb0a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:02:30,430 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-23 20:02:30,430 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-23 20:02:30,431 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-23 20:02:30,431 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-23 20:02:30,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:02:30,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:02:30,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:02:30,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:02:30,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:02:30,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:02:30,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:02:30,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:02:30,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:02:30,436 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 20:02:30,668 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:02:30,670 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:02:30,983 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:02:31,061 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:02:31,062 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 20:02:31,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:02:31 BoogieIcfgContainer [2023-11-23 20:02:31,064 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:02:31,074 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:02:31,075 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:02:31,087 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:02:31,089 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:02:31" (1/1) ... [2023-11-23 20:02:31,090 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 20:02:31,098 INFO L158 Benchmark]: Toolchain (without parser) took 1768.30ms. Allocated memory is still 107.0MB. Free memory was 81.8MB in the beginning and 63.9MB in the end (delta: 17.8MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2023-11-23 20:02:31,098 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 75.5MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:02:31,099 INFO L158 Benchmark]: CACSL2BoogieTranslator took 789.77ms. Allocated memory is still 107.0MB. Free memory was 81.5MB in the beginning and 60.8MB in the end (delta: 20.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 20:02:31,100 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.74ms. Allocated memory is still 107.0MB. Free memory was 60.8MB in the beginning and 85.4MB in the end (delta: -24.6MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2023-11-23 20:02:31,102 INFO L158 Benchmark]: Boogie Preprocessor took 109.73ms. Allocated memory is still 107.0MB. Free memory was 85.4MB in the beginning and 83.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:02:31,104 INFO L158 Benchmark]: RCFGBuilder took 743.88ms. Allocated memory is still 107.0MB. Free memory was 83.2MB in the beginning and 64.8MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:02:31,105 INFO L158 Benchmark]: CodeCheck took 21.15ms. Allocated memory is still 107.0MB. Free memory was 64.8MB in the beginning and 63.9MB in the end (delta: 895.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:02:31,117 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 0.35ms. Allocated memory is still 75.5MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 789.77ms. Allocated memory is still 107.0MB. Free memory was 81.5MB in the beginning and 60.8MB in the end (delta: 20.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.74ms. Allocated memory is still 107.0MB. Free memory was 60.8MB in the beginning and 85.4MB in the end (delta: -24.6MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 109.73ms. Allocated memory is still 107.0MB. Free memory was 85.4MB in the beginning and 83.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 743.88ms. Allocated memory is still 107.0MB. Free memory was 83.2MB in the beginning and 64.8MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 21.15ms. Allocated memory is still 107.0MB. Free memory was 64.8MB in the beginning and 63.9MB in the end (delta: 895.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:02:31,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_662fd788-1b92-4e20-8e35-c6db59c5fb0a/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