./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-12.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_02adb328-e6f5-4a42-a216-14ffed7a05e4/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02adb328-e6f5-4a42-a216-14ffed7a05e4/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02adb328-e6f5-4a42-a216-14ffed7a05e4/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02adb328-e6f5-4a42-a216-14ffed7a05e4/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02adb328-e6f5-4a42-a216-14ffed7a05e4/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02adb328-e6f5-4a42-a216-14ffed7a05e4/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0d5255e9cc8ffb776115e75fa8fa1fa6c2774a79275dfd8235c357288b00417c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 20:10:55,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:10:55,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:10:55,067 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:10:55,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:10:55,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:10:55,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:10:55,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:10:55,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:10:55,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:10:55,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:10:55,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:10:55,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:10:55,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:10:55,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:10:55,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:10:55,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:10:55,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:10:55,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:10:55,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:10:55,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:10:55,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:10:55,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:10:55,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:10:55,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:10:55,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:10:55,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:10:55,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:10:55,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:10:55,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:10:55,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:10:55,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:10:55,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:10:55,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:10:55,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:10:55,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:10:55,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:10:55,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:10:55,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:10:55,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:10:55,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:10:55,103 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02adb328-e6f5-4a42-a216-14ffed7a05e4/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 20:10:55,124 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:10:55,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:10:55,125 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:10:55,125 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:10:55,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:10:55,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:10:55,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:10:55,127 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:10:55,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:10:55,127 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:10:55,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:10:55,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:10:55,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:10:55,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:10:55,128 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:10:55,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:10:55,128 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:10:55,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:10:55,128 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:10:55,129 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:10:55,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:10:55,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:10:55,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:10:55,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:10:55,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:10:55,129 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:10:55,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:10:55,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:10:55,130 INFO L138 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_02adb328-e6f5-4a42-a216-14ffed7a05e4/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02adb328-e6f5-4a42-a216-14ffed7a05e4/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d5255e9cc8ffb776115e75fa8fa1fa6c2774a79275dfd8235c357288b00417c [2022-12-14 20:10:55,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:10:55,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:10:55,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:10:55,335 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:10:55,336 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:10:55,337 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02adb328-e6f5-4a42-a216-14ffed7a05e4/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread/fib_unsafe-12.i [2022-12-14 20:10:57,873 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:10:58,080 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:10:58,080 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02adb328-e6f5-4a42-a216-14ffed7a05e4/sv-benchmarks/c/pthread/fib_unsafe-12.i [2022-12-14 20:10:58,090 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02adb328-e6f5-4a42-a216-14ffed7a05e4/bin/ukojak-rkRKPMF4O4/data/0884bfb57/2d9d6dfc8e12448c8ed24289382eb7ee/FLAGaaf6aa119 [2022-12-14 20:10:58,104 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02adb328-e6f5-4a42-a216-14ffed7a05e4/bin/ukojak-rkRKPMF4O4/data/0884bfb57/2d9d6dfc8e12448c8ed24289382eb7ee [2022-12-14 20:10:58,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:10:58,108 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:10:58,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:10:58,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:10:58,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:10:58,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:10:58" (1/1) ... [2022-12-14 20:10:58,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61414a68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:58, skipping insertion in model container [2022-12-14 20:10:58,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:10:58" (1/1) ... [2022-12-14 20:10:58,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:10:58,146 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:10:58,332 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02adb328-e6f5-4a42-a216-14ffed7a05e4/sv-benchmarks/c/pthread/fib_unsafe-12.i[30243,30256] [2022-12-14 20:10:58,338 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:10:58,339 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:10:58,341 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:10:58,342 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:10:58,344 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:10:58,345 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:10:58,345 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:10:58,345 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:10:58,348 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:10:58,349 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:10:58,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:10:58,358 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:10:58,379 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02adb328-e6f5-4a42-a216-14ffed7a05e4/sv-benchmarks/c/pthread/fib_unsafe-12.i[30243,30256] [2022-12-14 20:10:58,380 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:10:58,380 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:10:58,381 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:10:58,381 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:10:58,383 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:10:58,383 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:10:58,383 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:10:58,383 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:10:58,384 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:10:58,385 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:10:58,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:10:58,403 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:10:58,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:58 WrapperNode [2022-12-14 20:10:58,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:10:58,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:10:58,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:10:58,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:10:58,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:58" (1/1) ... [2022-12-14 20:10:58,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:58" (1/1) ... [2022-12-14 20:10:58,432 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2022-12-14 20:10:58,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:10:58,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:10:58,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:10:58,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:10:58,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:58" (1/1) ... [2022-12-14 20:10:58,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:58" (1/1) ... [2022-12-14 20:10:58,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:58" (1/1) ... [2022-12-14 20:10:58,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:58" (1/1) ... [2022-12-14 20:10:58,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:58" (1/1) ... [2022-12-14 20:10:58,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:58" (1/1) ... [2022-12-14 20:10:58,448 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:58" (1/1) ... [2022-12-14 20:10:58,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:58" (1/1) ... [2022-12-14 20:10:58,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:10:58,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:10:58,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:10:58,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:10:58,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:58" (1/1) ... [2022-12-14 20:10:58,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:10:58,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02adb328-e6f5-4a42-a216-14ffed7a05e4/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:10:58,477 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02adb328-e6f5-4a42-a216-14ffed7a05e4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:10:58,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02adb328-e6f5-4a42-a216-14ffed7a05e4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:10:58,513 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-12-14 20:10:58,513 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-12-14 20:10:58,513 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-12-14 20:10:58,514 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-12-14 20:10:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 20:10:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 20:10:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:10:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 20:10:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:10:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 20:10:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 20:10:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:10:58,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:10:58,516 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 20:10:58,617 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:10:58,618 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:10:58,758 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:10:58,764 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:10:58,764 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 20:10:58,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:10:58 BoogieIcfgContainer [2022-12-14 20:10:58,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:10:58,767 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:10:58,767 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:10:58,774 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:10:58,775 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:10:58" (1/1) ... [2022-12-14 20:10:58,775 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:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) 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:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-12-14 20:10:58,778 INFO L158 Benchmark]: Toolchain (without parser) took 669.85ms. Allocated memory is still 136.3MB. Free memory was 104.1MB in the beginning and 65.4MB in the end (delta: 38.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-12-14 20:10:58,779 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 136.3MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:10:58,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.82ms. Allocated memory is still 136.3MB. Free memory was 103.6MB in the beginning and 83.8MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 20:10:58,780 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.79ms. Allocated memory is still 136.3MB. Free memory was 83.8MB in the beginning and 81.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:10:58,780 INFO L158 Benchmark]: Boogie Preprocessor took 18.17ms. Allocated memory is still 136.3MB. Free memory was 81.7MB in the beginning and 80.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:10:58,781 INFO L158 Benchmark]: RCFGBuilder took 314.47ms. Allocated memory is still 136.3MB. Free memory was 80.2MB in the beginning and 66.5MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 20:10:58,781 INFO L158 Benchmark]: CodeCheck took 10.69ms. Allocated memory is still 136.3MB. Free memory was 66.5MB in the beginning and 65.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:10:58,783 INFO L339 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:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 136.3MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.82ms. Allocated memory is still 136.3MB. Free memory was 103.6MB in the beginning and 83.8MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.79ms. Allocated memory is still 136.3MB. Free memory was 83.8MB in the beginning and 81.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.17ms. Allocated memory is still 136.3MB. Free memory was 81.7MB in the beginning and 80.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 314.47ms. Allocated memory is still 136.3MB. Free memory was 80.2MB in the beginning and 66.5MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 10.69ms. Allocated memory is still 136.3MB. Free memory was 66.5MB in the beginning and 65.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 20:10:58,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02adb328-e6f5-4a42-a216-14ffed7a05e4/bin/ukojak-rkRKPMF4O4/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_02adb328-e6f5-4a42-a216-14ffed7a05e4/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02adb328-e6f5-4a42-a216-14ffed7a05e4/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02adb328-e6f5-4a42-a216-14ffed7a05e4/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02adb328-e6f5-4a42-a216-14ffed7a05e4/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02adb328-e6f5-4a42-a216-14ffed7a05e4/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02adb328-e6f5-4a42-a216-14ffed7a05e4/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0d5255e9cc8ffb776115e75fa8fa1fa6c2774a79275dfd8235c357288b00417c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 20:11:00,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:11:00,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:11:00,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:11:00,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:11:00,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:11:00,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:11:00,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:11:00,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:11:00,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:11:00,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:11:00,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:11:00,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:11:00,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:11:00,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:11:00,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:11:00,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:11:00,380 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:11:00,381 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:11:00,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:11:00,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:11:00,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:11:00,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:11:00,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:11:00,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:11:00,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:11:00,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:11:00,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:11:00,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:11:00,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:11:00,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:11:00,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:11:00,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:11:00,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:11:00,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:11:00,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:11:00,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:11:00,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:11:00,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:11:00,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:11:00,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:11:00,396 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02adb328-e6f5-4a42-a216-14ffed7a05e4/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-12-14 20:11:00,413 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:11:00,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:11:00,414 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:11:00,414 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:11:00,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:11:00,414 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:11:00,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:11:00,415 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:11:00,415 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:11:00,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:11:00,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:11:00,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:11:00,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:11:00,415 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 20:11:00,415 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 20:11:00,415 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 20:11:00,416 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:11:00,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:11:00,416 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:11:00,416 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:11:00,416 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:11:00,416 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:11:00,416 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:11:00,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:11:00,417 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:11:00,417 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:11:00,417 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:11:00,417 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 20:11:00,417 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 20:11:00,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:11:00,417 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 20:11:00,417 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 20:11:00,418 INFO L138 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_02adb328-e6f5-4a42-a216-14ffed7a05e4/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02adb328-e6f5-4a42-a216-14ffed7a05e4/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d5255e9cc8ffb776115e75fa8fa1fa6c2774a79275dfd8235c357288b00417c [2022-12-14 20:11:00,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:11:00,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:11:00,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:11:00,663 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:11:00,663 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:11:00,664 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02adb328-e6f5-4a42-a216-14ffed7a05e4/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread/fib_unsafe-12.i [2022-12-14 20:11:03,213 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:11:03,373 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:11:03,374 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02adb328-e6f5-4a42-a216-14ffed7a05e4/sv-benchmarks/c/pthread/fib_unsafe-12.i [2022-12-14 20:11:03,383 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02adb328-e6f5-4a42-a216-14ffed7a05e4/bin/ukojak-rkRKPMF4O4/data/76e3e5cb2/8aa2505e0ad14136a9c30ca4b6a667c6/FLAGd2df7e8a8 [2022-12-14 20:11:03,404 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02adb328-e6f5-4a42-a216-14ffed7a05e4/bin/ukojak-rkRKPMF4O4/data/76e3e5cb2/8aa2505e0ad14136a9c30ca4b6a667c6 [2022-12-14 20:11:03,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:11:03,408 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:11:03,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:11:03,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:11:03,411 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:11:03,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:11:03" (1/1) ... [2022-12-14 20:11:03,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50cc636f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:11:03, skipping insertion in model container [2022-12-14 20:11:03,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:11:03" (1/1) ... [2022-12-14 20:11:03,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:11:03,444 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:11:03,636 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02adb328-e6f5-4a42-a216-14ffed7a05e4/sv-benchmarks/c/pthread/fib_unsafe-12.i[30243,30256] [2022-12-14 20:11:03,644 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:11:03,644 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:11:03,648 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:11:03,648 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:11:03,653 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:11:03,653 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:11:03,654 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:11:03,654 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:11:03,658 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:11:03,659 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:11:03,661 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:11:03,674 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:11:03,699 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02adb328-e6f5-4a42-a216-14ffed7a05e4/sv-benchmarks/c/pthread/fib_unsafe-12.i[30243,30256] [2022-12-14 20:11:03,700 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:11:03,700 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:11:03,701 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:11:03,701 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:11:03,703 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:11:03,704 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:11:03,704 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:11:03,704 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:11:03,706 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:11:03,706 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:11:03,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:11:03,731 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:11:03,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:11:03 WrapperNode [2022-12-14 20:11:03,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:11:03,732 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:11:03,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:11:03,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:11:03,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:11:03" (1/1) ... [2022-12-14 20:11:03,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:11:03" (1/1) ... [2022-12-14 20:11:03,768 INFO L138 Inliner]: procedures = 168, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2022-12-14 20:11:03,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:11:03,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:11:03,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:11:03,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:11:03,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:11:03" (1/1) ... [2022-12-14 20:11:03,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:11:03" (1/1) ... [2022-12-14 20:11:03,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:11:03" (1/1) ... [2022-12-14 20:11:03,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:11:03" (1/1) ... [2022-12-14 20:11:03,782 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:11:03" (1/1) ... [2022-12-14 20:11:03,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:11:03" (1/1) ... [2022-12-14 20:11:03,786 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:11:03" (1/1) ... [2022-12-14 20:11:03,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:11:03" (1/1) ... [2022-12-14 20:11:03,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:11:03,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:11:03,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:11:03,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:11:03,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:11:03" (1/1) ... [2022-12-14 20:11:03,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:11:03,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02adb328-e6f5-4a42-a216-14ffed7a05e4/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:11:03,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02adb328-e6f5-4a42-a216-14ffed7a05e4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:11:03,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02adb328-e6f5-4a42-a216-14ffed7a05e4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:11:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-12-14 20:11:03,847 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-12-14 20:11:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-12-14 20:11:03,847 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-12-14 20:11:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 20:11:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:11:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 20:11:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:11:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 20:11:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 20:11:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 20:11:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:11:03,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:11:03,850 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 20:11:03,972 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:11:03,974 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:11:04,147 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:11:04,154 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:11:04,154 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 20:11:04,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:11:04 BoogieIcfgContainer [2022-12-14 20:11:04,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:11:04,157 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:11:04,157 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:11:04,167 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:11:04,167 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:11:04" (1/1) ... [2022-12-14 20:11:04,168 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:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) 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:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-12-14 20:11:04,172 INFO L158 Benchmark]: Toolchain (without parser) took 762.98ms. Allocated memory is still 83.9MB. Free memory was 65.3MB in the beginning and 45.4MB in the end (delta: 19.9MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2022-12-14 20:11:04,172 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 58.7MB. Free memory was 36.9MB in the beginning and 36.9MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:11:04,173 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.15ms. Allocated memory is still 83.9MB. Free memory was 65.1MB in the beginning and 43.8MB in the end (delta: 21.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 20:11:04,173 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.80ms. Allocated memory is still 83.9MB. Free memory was 43.8MB in the beginning and 63.1MB in the end (delta: -19.3MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2022-12-14 20:11:04,174 INFO L158 Benchmark]: Boogie Preprocessor took 20.90ms. Allocated memory is still 83.9MB. Free memory was 63.1MB in the beginning and 61.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:11:04,174 INFO L158 Benchmark]: RCFGBuilder took 366.59ms. Allocated memory is still 83.9MB. Free memory was 61.0MB in the beginning and 46.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 20:11:04,175 INFO L158 Benchmark]: CodeCheck took 12.81ms. Allocated memory is still 83.9MB. Free memory was 46.3MB in the beginning and 45.4MB in the end (delta: 943.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:11:04,177 INFO L339 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:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 58.7MB. Free memory was 36.9MB in the beginning and 36.9MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.15ms. Allocated memory is still 83.9MB. Free memory was 65.1MB in the beginning and 43.8MB in the end (delta: 21.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.80ms. Allocated memory is still 83.9MB. Free memory was 43.8MB in the beginning and 63.1MB in the end (delta: -19.3MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.90ms. Allocated memory is still 83.9MB. Free memory was 63.1MB in the beginning and 61.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 366.59ms. Allocated memory is still 83.9MB. Free memory was 61.0MB in the beginning and 46.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 12.81ms. Allocated memory is still 83.9MB. Free memory was 46.3MB in the beginning and 45.4MB in the end (delta: 943.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 20:11:04,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02adb328-e6f5-4a42-a216-14ffed7a05e4/bin/ukojak-rkRKPMF4O4/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