./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ae8a57-30e8-4e95-ada0-c40b77c31849/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ae8a57-30e8-4e95-ada0-c40b77c31849/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_49ae8a57-30e8-4e95-ada0-c40b77c31849/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ae8a57-30e8-4e95-ada0-c40b77c31849/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ae8a57-30e8-4e95-ada0-c40b77c31849/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ae8a57-30e8-4e95-ada0-c40b77c31849/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --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 7399a2144dae504b22d3bd9a68ebd91d200de1e145cd9c7db720353ffec7d306 --- 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 [2022-12-15 01:08:31,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:08:31,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:08:31,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:08:31,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:08:31,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:08:31,512 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:08:31,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:08:31,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:08:31,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:08:31,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:08:31,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:08:31,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:08:31,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:08:31,520 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:08:31,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:08:31,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:08:31,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:08:31,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:08:31,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:08:31,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:08:31,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:08:31,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:08:31,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:08:31,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:08:31,534 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:08:31,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:08:31,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:08:31,535 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:08:31,536 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:08:31,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:08:31,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:08:31,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:08:31,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:08:31,540 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:08:31,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:08:31,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:08:31,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:08:31,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:08:31,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:08:31,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:08:31,544 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ae8a57-30e8-4e95-ada0-c40b77c31849/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-15 01:08:31,561 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:08:31,561 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:08:31,561 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:08:31,562 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:08:31,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:08:31,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:08:31,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:08:31,562 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:08:31,563 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:08:31,563 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:08:31,563 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:08:31,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:08:31,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:08:31,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:08:31,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:08:31,563 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 01:08:31,563 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:08:31,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:08:31,564 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:08:31,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:08:31,564 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:08:31,564 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:08:31,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:08:31,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:08:31,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:08:31,564 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:08:31,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:08:31,565 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:08:31,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:08:31,565 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:08:31,565 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_49ae8a57-30e8-4e95-ada0-c40b77c31849/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ae8a57-30e8-4e95-ada0-c40b77c31849/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7399a2144dae504b22d3bd9a68ebd91d200de1e145cd9c7db720353ffec7d306 [2022-12-15 01:08:31,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:08:31,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:08:31,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:08:31,763 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:08:31,763 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:08:31,764 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ae8a57-30e8-4e95-ada0-c40b77c31849/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread/fib_unsafe-7.i [2022-12-15 01:08:34,315 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:08:34,482 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:08:34,483 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ae8a57-30e8-4e95-ada0-c40b77c31849/sv-benchmarks/c/pthread/fib_unsafe-7.i [2022-12-15 01:08:34,491 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ae8a57-30e8-4e95-ada0-c40b77c31849/bin/ukojak-rkRKPMF4O4/data/f483915e2/fbe07bb81842438397fb825a08da5c34/FLAG59199d5e3 [2022-12-15 01:08:34,500 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ae8a57-30e8-4e95-ada0-c40b77c31849/bin/ukojak-rkRKPMF4O4/data/f483915e2/fbe07bb81842438397fb825a08da5c34 [2022-12-15 01:08:34,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:08:34,503 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:08:34,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:08:34,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:08:34,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:08:34,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:08:34" (1/1) ... [2022-12-15 01:08:34,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ea71edf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:34, skipping insertion in model container [2022-12-15 01:08:34,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:08:34" (1/1) ... [2022-12-15 01:08:34,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:08:34,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:08:34,724 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_49ae8a57-30e8-4e95-ada0-c40b77c31849/sv-benchmarks/c/pthread/fib_unsafe-7.i[30243,30256] [2022-12-15 01:08:34,730 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:08:34,730 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:08:34,733 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:08:34,733 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:08:34,736 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:08:34,737 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:08:34,737 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:08:34,737 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:08:34,740 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:08:34,741 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:08:34,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:08:34,750 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:08:34,773 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_49ae8a57-30e8-4e95-ada0-c40b77c31849/sv-benchmarks/c/pthread/fib_unsafe-7.i[30243,30256] [2022-12-15 01:08:34,774 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:08:34,775 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:08:34,776 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:08:34,776 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:08:34,778 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:08:34,778 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:08:34,779 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:08:34,779 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:08:34,780 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:08:34,780 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:08:34,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:08:34,801 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:08:34,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:34 WrapperNode [2022-12-15 01:08:34,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:08:34,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:08:34,802 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:08:34,802 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:08:34,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:34" (1/1) ... [2022-12-15 01:08:34,816 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:34" (1/1) ... [2022-12-15 01:08:34,830 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2022-12-15 01:08:34,831 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:08:34,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:08:34,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:08:34,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:08:34,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:34" (1/1) ... [2022-12-15 01:08:34,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:34" (1/1) ... [2022-12-15 01:08:34,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:34" (1/1) ... [2022-12-15 01:08:34,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:34" (1/1) ... [2022-12-15 01:08:34,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:34" (1/1) ... [2022-12-15 01:08:34,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:34" (1/1) ... [2022-12-15 01:08:34,847 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:34" (1/1) ... [2022-12-15 01:08:34,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:34" (1/1) ... [2022-12-15 01:08:34,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:08:34,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:08:34,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:08:34,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:08:34,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:34" (1/1) ... [2022-12-15 01:08:34,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:08:34,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ae8a57-30e8-4e95-ada0-c40b77c31849/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:08:34,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ae8a57-30e8-4e95-ada0-c40b77c31849/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:08:34,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ae8a57-30e8-4e95-ada0-c40b77c31849/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:08:34,922 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-12-15 01:08:34,922 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-12-15 01:08:34,922 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-12-15 01:08:34,922 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-12-15 01:08:34,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 01:08:34,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-15 01:08:34,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:08:34,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 01:08:34,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 01:08:34,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:08:34,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-15 01:08:34,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:08:34,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:08:34,924 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-15 01:08:35,023 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:08:35,025 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:08:35,223 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:08:35,246 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:08:35,247 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-15 01:08:35,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:08:35 BoogieIcfgContainer [2022-12-15 01:08:35,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:08:35,250 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:08:35,250 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:08:35,261 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:08:35,261 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:08:35" (1/1) ... [2022-12-15 01:08:35,262 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) [2022-12-15 01:08:35,266 INFO L158 Benchmark]: Toolchain (without parser) took 762.05ms. Allocated memory was 113.2MB in the beginning and 140.5MB in the end (delta: 27.3MB). Free memory was 73.0MB in the beginning and 98.0MB in the end (delta: -25.0MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2022-12-15 01:08:35,266 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 113.2MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:08:35,267 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.73ms. Allocated memory is still 113.2MB. Free memory was 72.6MB in the beginning and 52.6MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-15 01:08:35,268 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.68ms. Allocated memory is still 113.2MB. Free memory was 52.6MB in the beginning and 50.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:08:35,268 INFO L158 Benchmark]: Boogie Preprocessor took 18.56ms. Allocated memory is still 113.2MB. Free memory was 50.5MB in the beginning and 48.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:08:35,269 INFO L158 Benchmark]: RCFGBuilder took 399.60ms. Allocated memory was 113.2MB in the beginning and 140.5MB in the end (delta: 27.3MB). Free memory was 48.9MB in the beginning and 99.2MB in the end (delta: -50.3MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2022-12-15 01:08:35,269 INFO L158 Benchmark]: CodeCheck took 13.98ms. Allocated memory is still 140.5MB. Free memory was 99.2MB in the beginning and 98.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:08:35,272 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 0.10ms. Allocated memory is still 113.2MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.73ms. Allocated memory is still 113.2MB. Free memory was 72.6MB in the beginning and 52.6MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.68ms. Allocated memory is still 113.2MB. Free memory was 52.6MB in the beginning and 50.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.56ms. Allocated memory is still 113.2MB. Free memory was 50.5MB in the beginning and 48.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 399.60ms. Allocated memory was 113.2MB in the beginning and 140.5MB in the end (delta: 27.3MB). Free memory was 48.9MB in the beginning and 99.2MB in the end (delta: -50.3MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * CodeCheck took 13.98ms. Allocated memory is still 140.5MB. Free memory was 99.2MB in the beginning and 98.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 01:08:35,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ae8a57-30e8-4e95-ada0-c40b77c31849/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ae8a57-30e8-4e95-ada0-c40b77c31849/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ae8a57-30e8-4e95-ada0-c40b77c31849/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_49ae8a57-30e8-4e95-ada0-c40b77c31849/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ae8a57-30e8-4e95-ada0-c40b77c31849/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ae8a57-30e8-4e95-ada0-c40b77c31849/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ae8a57-30e8-4e95-ada0-c40b77c31849/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --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 7399a2144dae504b22d3bd9a68ebd91d200de1e145cd9c7db720353ffec7d306 --- 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 [2022-12-15 01:08:36,886 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:08:36,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:08:36,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:08:36,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:08:36,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:08:36,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:08:36,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:08:36,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:08:36,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:08:36,910 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:08:36,911 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:08:36,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:08:36,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:08:36,913 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:08:36,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:08:36,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:08:36,915 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:08:36,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:08:36,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:08:36,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:08:36,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:08:36,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:08:36,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:08:36,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:08:36,924 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:08:36,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:08:36,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:08:36,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:08:36,926 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:08:36,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:08:36,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:08:36,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:08:36,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:08:36,928 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:08:36,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:08:36,929 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:08:36,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:08:36,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:08:36,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:08:36,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:08:36,931 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ae8a57-30e8-4e95-ada0-c40b77c31849/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-12-15 01:08:36,947 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:08:36,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:08:36,947 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:08:36,948 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:08:36,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:08:36,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:08:36,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:08:36,949 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:08:36,949 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:08:36,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:08:36,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:08:36,949 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:08:36,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:08:36,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:08:36,949 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-15 01:08:36,949 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-15 01:08:36,950 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 01:08:36,950 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-15 01:08:36,950 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:08:36,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:08:36,950 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:08:36,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:08:36,950 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:08:36,950 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:08:36,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:08:36,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:08:36,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:08:36,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:08:36,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:08:36,951 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-15 01:08:36,951 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-15 01:08:36,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:08:36,952 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-15 01:08:36,952 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-15 01:08:36,952 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_49ae8a57-30e8-4e95-ada0-c40b77c31849/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ae8a57-30e8-4e95-ada0-c40b77c31849/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7399a2144dae504b22d3bd9a68ebd91d200de1e145cd9c7db720353ffec7d306 [2022-12-15 01:08:37,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:08:37,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:08:37,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:08:37,204 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:08:37,204 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:08:37,205 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ae8a57-30e8-4e95-ada0-c40b77c31849/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread/fib_unsafe-7.i [2022-12-15 01:08:39,784 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:08:39,962 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:08:39,963 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ae8a57-30e8-4e95-ada0-c40b77c31849/sv-benchmarks/c/pthread/fib_unsafe-7.i [2022-12-15 01:08:39,971 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ae8a57-30e8-4e95-ada0-c40b77c31849/bin/ukojak-rkRKPMF4O4/data/9e73cfebe/06f19082f85b41528bf94c4fc37ef88d/FLAG7248ac145 [2022-12-15 01:08:39,981 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ae8a57-30e8-4e95-ada0-c40b77c31849/bin/ukojak-rkRKPMF4O4/data/9e73cfebe/06f19082f85b41528bf94c4fc37ef88d [2022-12-15 01:08:39,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:08:39,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:08:39,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:08:39,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:08:39,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:08:39,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:08:39" (1/1) ... [2022-12-15 01:08:39,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f96c301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:39, skipping insertion in model container [2022-12-15 01:08:39,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:08:39" (1/1) ... [2022-12-15 01:08:39,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:08:40,025 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:08:40,226 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_49ae8a57-30e8-4e95-ada0-c40b77c31849/sv-benchmarks/c/pthread/fib_unsafe-7.i[30243,30256] [2022-12-15 01:08:40,233 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:08:40,233 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:08:40,243 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:08:40,244 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:08:40,248 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:08:40,248 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:08:40,248 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:08:40,249 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:08:40,252 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:08:40,253 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:08:40,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:08:40,273 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:08:40,295 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_49ae8a57-30e8-4e95-ada0-c40b77c31849/sv-benchmarks/c/pthread/fib_unsafe-7.i[30243,30256] [2022-12-15 01:08:40,296 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:08:40,297 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:08:40,298 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:08:40,298 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:08:40,300 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:08:40,301 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:08:40,301 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:08:40,301 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:08:40,302 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 01:08:40,303 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 01:08:40,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:08:40,325 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:08:40,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:40 WrapperNode [2022-12-15 01:08:40,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:08:40,326 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:08:40,326 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:08:40,327 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:08:40,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:40" (1/1) ... [2022-12-15 01:08:40,342 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:40" (1/1) ... [2022-12-15 01:08:40,356 INFO L138 Inliner]: procedures = 168, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2022-12-15 01:08:40,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:08:40,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:08:40,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:08:40,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:08:40,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:40" (1/1) ... [2022-12-15 01:08:40,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:40" (1/1) ... [2022-12-15 01:08:40,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:40" (1/1) ... [2022-12-15 01:08:40,367 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:40" (1/1) ... [2022-12-15 01:08:40,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:40" (1/1) ... [2022-12-15 01:08:40,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:40" (1/1) ... [2022-12-15 01:08:40,382 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:40" (1/1) ... [2022-12-15 01:08:40,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:40" (1/1) ... [2022-12-15 01:08:40,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:08:40,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:08:40,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:08:40,388 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:08:40,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:08:40" (1/1) ... [2022-12-15 01:08:40,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:08:40,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ae8a57-30e8-4e95-ada0-c40b77c31849/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:08:40,416 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ae8a57-30e8-4e95-ada0-c40b77c31849/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:08:40,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ae8a57-30e8-4e95-ada0-c40b77c31849/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:08:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-12-15 01:08:40,454 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-12-15 01:08:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-12-15 01:08:40,454 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-12-15 01:08:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-15 01:08:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:08:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 01:08:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 01:08:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-15 01:08:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-15 01:08:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-15 01:08:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:08:40,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:08:40,456 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-15 01:08:40,569 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:08:40,570 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:08:40,769 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:08:40,788 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:08:40,788 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-15 01:08:40,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:08:40 BoogieIcfgContainer [2022-12-15 01:08:40,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:08:40,791 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:08:40,791 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:08:40,800 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:08:40,800 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:08:40" (1/1) ... [2022-12-15 01:08:40,801 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) [2022-12-15 01:08:40,805 INFO L158 Benchmark]: Toolchain (without parser) took 820.28ms. Allocated memory is still 62.9MB. Free memory was 40.4MB in the beginning and 26.7MB in the end (delta: 13.7MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2022-12-15 01:08:40,805 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 50.3MB. Free memory is still 28.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:08:40,806 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.28ms. Allocated memory is still 62.9MB. Free memory was 40.3MB in the beginning and 33.8MB in the end (delta: 6.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-15 01:08:40,807 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.82ms. Allocated memory is still 62.9MB. Free memory was 33.6MB in the beginning and 31.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:08:40,807 INFO L158 Benchmark]: Boogie Preprocessor took 30.62ms. Allocated memory is still 62.9MB. Free memory was 31.5MB in the beginning and 29.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:08:40,808 INFO L158 Benchmark]: RCFGBuilder took 402.30ms. Allocated memory is still 62.9MB. Free memory was 29.7MB in the beginning and 27.6MB in the end (delta: 2.0MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2022-12-15 01:08:40,808 INFO L158 Benchmark]: CodeCheck took 12.78ms. Allocated memory is still 62.9MB. Free memory was 27.6MB in the beginning and 26.7MB in the end (delta: 892.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:08:40,811 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 50.3MB. Free memory is still 28.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.28ms. Allocated memory is still 62.9MB. Free memory was 40.3MB in the beginning and 33.8MB in the end (delta: 6.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.82ms. Allocated memory is still 62.9MB. Free memory was 33.6MB in the beginning and 31.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.62ms. Allocated memory is still 62.9MB. Free memory was 31.5MB in the beginning and 29.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 402.30ms. Allocated memory is still 62.9MB. Free memory was 29.7MB in the beginning and 27.6MB in the end (delta: 2.0MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * CodeCheck took 12.78ms. Allocated memory is still 62.9MB. Free memory was 27.6MB in the beginning and 26.7MB in the end (delta: 892.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 01:08:40,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49ae8a57-30e8-4e95-ada0-c40b77c31849/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