./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 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_bf976c99-aa5b-4e64-976d-15465ab01d5a/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf976c99-aa5b-4e64-976d-15465ab01d5a/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_bf976c99-aa5b-4e64-976d-15465ab01d5a/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf976c99-aa5b-4e64-976d-15465ab01d5a/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf976c99-aa5b-4e64-976d-15465ab01d5a/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_bf976c99-aa5b-4e64-976d-15465ab01d5a/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 854e371c98b43d805c328b457758892c4a501d7b326c2672c089850792494a4b --- 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 03:27:59,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:27:59,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:27:59,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:27:59,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:27:59,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:27:59,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:27:59,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:27:59,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:27:59,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:27:59,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:27:59,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:27:59,607 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:27:59,607 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:27:59,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:27:59,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:27:59,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:27:59,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:27:59,611 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:27:59,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:27:59,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:27:59,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:27:59,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:27:59,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:27:59,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:27:59,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:27:59,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:27:59,618 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:27:59,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:27:59,619 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:27:59,619 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:27:59,620 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:27:59,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:27:59,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:27:59,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:27:59,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:27:59,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:27:59,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:27:59,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:27:59,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:27:59,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:27:59,624 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf976c99-aa5b-4e64-976d-15465ab01d5a/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-15 03:27:59,638 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:27:59,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:27:59,639 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:27:59,639 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:27:59,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:27:59,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:27:59,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:27:59,640 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 03:27:59,640 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 03:27:59,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:27:59,640 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 03:27:59,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:27:59,640 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:27:59,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:27:59,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:27:59,641 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 03:27:59,641 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 03:27:59,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:27:59,641 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:27:59,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:27:59,641 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:27:59,641 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:27:59,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:27:59,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:27:59,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:27:59,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:27:59,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:27:59,642 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:27:59,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:27:59,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:27:59,642 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_bf976c99-aa5b-4e64-976d-15465ab01d5a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf976c99-aa5b-4e64-976d-15465ab01d5a/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 854e371c98b43d805c328b457758892c4a501d7b326c2672c089850792494a4b [2022-12-15 03:27:59,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:27:59,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:27:59,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:27:59,817 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:27:59,817 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:27:59,818 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf976c99-aa5b-4e64-976d-15465ab01d5a/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread/fib_unsafe-6.i [2022-12-15 03:28:02,407 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:28:02,630 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:28:02,630 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf976c99-aa5b-4e64-976d-15465ab01d5a/sv-benchmarks/c/pthread/fib_unsafe-6.i [2022-12-15 03:28:02,642 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf976c99-aa5b-4e64-976d-15465ab01d5a/bin/ukojak-rkRKPMF4O4/data/c81d12008/35a7cafe173b4bd5b9a2d7ee08b29f14/FLAG5749686ce [2022-12-15 03:28:02,653 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf976c99-aa5b-4e64-976d-15465ab01d5a/bin/ukojak-rkRKPMF4O4/data/c81d12008/35a7cafe173b4bd5b9a2d7ee08b29f14 [2022-12-15 03:28:02,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:28:02,656 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:28:02,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:28:02,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:28:02,659 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:28:02,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:28:02" (1/1) ... [2022-12-15 03:28:02,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@520f2322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:02, skipping insertion in model container [2022-12-15 03:28:02,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:28:02" (1/1) ... [2022-12-15 03:28:02,667 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:28:02,692 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:28:02,902 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_bf976c99-aa5b-4e64-976d-15465ab01d5a/sv-benchmarks/c/pthread/fib_unsafe-6.i[30243,30256] [2022-12-15 03:28:02,908 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 03:28:02,908 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 03:28:02,911 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 03:28:02,912 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 03:28:02,915 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 03:28:02,916 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 03:28:02,916 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 03:28:02,916 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 03:28:02,919 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 03:28:02,920 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 03:28:02,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:28:02,928 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:28:02,958 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_bf976c99-aa5b-4e64-976d-15465ab01d5a/sv-benchmarks/c/pthread/fib_unsafe-6.i[30243,30256] [2022-12-15 03:28:02,959 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 03:28:02,960 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 03:28:02,961 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 03:28:02,961 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 03:28:02,964 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 03:28:02,964 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 03:28:02,965 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 03:28:02,965 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 03:28:02,966 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 03:28:02,967 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 03:28:02,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:28:02,990 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:28:02,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:02 WrapperNode [2022-12-15 03:28:02,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:28:02,991 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:28:02,991 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:28:02,991 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:28:02,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:02" (1/1) ... [2022-12-15 03:28:03,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:02" (1/1) ... [2022-12-15 03:28:03,018 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2022-12-15 03:28:03,018 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:28:03,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:28:03,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:28:03,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:28:03,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:02" (1/1) ... [2022-12-15 03:28:03,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:02" (1/1) ... [2022-12-15 03:28:03,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:02" (1/1) ... [2022-12-15 03:28:03,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:02" (1/1) ... [2022-12-15 03:28:03,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:02" (1/1) ... [2022-12-15 03:28:03,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:02" (1/1) ... [2022-12-15 03:28:03,034 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:02" (1/1) ... [2022-12-15 03:28:03,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:02" (1/1) ... [2022-12-15 03:28:03,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:28:03,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:28:03,037 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:28:03,037 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:28:03,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:02" (1/1) ... [2022-12-15 03:28:03,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:28:03,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf976c99-aa5b-4e64-976d-15465ab01d5a/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:28:03,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf976c99-aa5b-4e64-976d-15465ab01d5a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:28:03,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf976c99-aa5b-4e64-976d-15465ab01d5a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:28:03,091 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-12-15 03:28:03,091 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-12-15 03:28:03,091 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-12-15 03:28:03,091 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-12-15 03:28:03,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 03:28:03,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-15 03:28:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 03:28:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 03:28:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 03:28:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 03:28:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-15 03:28:03,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:28:03,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:28:03,093 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 03:28:03,197 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:28:03,199 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:28:03,369 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:28:03,388 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:28:03,388 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-15 03:28:03,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:28:03 BoogieIcfgContainer [2022-12-15 03:28:03,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:28:03,390 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:28:03,390 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:28:03,398 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:28:03,398 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:28:03" (1/1) ... [2022-12-15 03:28:03,398 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 03:28:03,402 INFO L158 Benchmark]: Toolchain (without parser) took 744.71ms. Allocated memory is still 144.7MB. Free memory was 115.3MB in the beginning and 73.9MB in the end (delta: 41.3MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-12-15 03:28:03,402 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 102.8MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:28:03,402 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.54ms. Allocated memory is still 144.7MB. Free memory was 114.7MB in the beginning and 94.9MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-15 03:28:03,403 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.99ms. Allocated memory is still 144.7MB. Free memory was 94.9MB in the beginning and 92.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:28:03,403 INFO L158 Benchmark]: Boogie Preprocessor took 17.76ms. Allocated memory is still 144.7MB. Free memory was 92.8MB in the beginning and 91.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:28:03,403 INFO L158 Benchmark]: RCFGBuilder took 353.10ms. Allocated memory is still 144.7MB. Free memory was 91.0MB in the beginning and 74.9MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-15 03:28:03,404 INFO L158 Benchmark]: CodeCheck took 10.16ms. Allocated memory is still 144.7MB. Free memory was 74.9MB in the beginning and 73.9MB in the end (delta: 950.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:28:03,406 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 0.14ms. Allocated memory is still 102.8MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.54ms. Allocated memory is still 144.7MB. Free memory was 114.7MB in the beginning and 94.9MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.99ms. Allocated memory is still 144.7MB. Free memory was 94.9MB in the beginning and 92.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.76ms. Allocated memory is still 144.7MB. Free memory was 92.8MB in the beginning and 91.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 353.10ms. Allocated memory is still 144.7MB. Free memory was 91.0MB in the beginning and 74.9MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 10.16ms. Allocated memory is still 144.7MB. Free memory was 74.9MB in the beginning and 73.9MB in the end (delta: 950.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 03:28:03,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf976c99-aa5b-4e64-976d-15465ab01d5a/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_bf976c99-aa5b-4e64-976d-15465ab01d5a/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf976c99-aa5b-4e64-976d-15465ab01d5a/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_bf976c99-aa5b-4e64-976d-15465ab01d5a/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf976c99-aa5b-4e64-976d-15465ab01d5a/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf976c99-aa5b-4e64-976d-15465ab01d5a/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_bf976c99-aa5b-4e64-976d-15465ab01d5a/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 854e371c98b43d805c328b457758892c4a501d7b326c2672c089850792494a4b --- 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 03:28:04,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:28:04,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:28:04,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:28:04,921 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:28:04,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:28:04,923 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:28:04,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:28:04,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:28:04,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:28:04,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:28:04,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:28:04,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:28:04,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:28:04,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:28:04,929 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:28:04,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:28:04,930 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:28:04,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:28:04,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:28:04,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:28:04,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:28:04,935 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:28:04,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:28:04,938 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:28:04,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:28:04,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:28:04,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:28:04,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:28:04,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:28:04,940 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:28:04,941 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:28:04,941 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:28:04,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:28:04,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:28:04,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:28:04,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:28:04,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:28:04,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:28:04,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:28:04,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:28:04,953 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf976c99-aa5b-4e64-976d-15465ab01d5a/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-12-15 03:28:04,972 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:28:04,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:28:04,973 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:28:04,973 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:28:04,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:28:04,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:28:04,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:28:04,974 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 03:28:04,974 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 03:28:04,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 03:28:04,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:28:04,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:28:04,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:28:04,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:28:04,974 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-15 03:28:04,974 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-15 03:28:04,975 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 03:28:04,975 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-15 03:28:04,975 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 03:28:04,975 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:28:04,975 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:28:04,975 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:28:04,975 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:28:04,975 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:28:04,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:28:04,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:28:04,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:28:04,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:28:04,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:28:04,976 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-15 03:28:04,976 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-15 03:28:04,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:28:04,976 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-15 03:28:04,977 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-15 03:28:04,977 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_bf976c99-aa5b-4e64-976d-15465ab01d5a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf976c99-aa5b-4e64-976d-15465ab01d5a/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 854e371c98b43d805c328b457758892c4a501d7b326c2672c089850792494a4b [2022-12-15 03:28:05,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:28:05,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:28:05,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:28:05,196 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:28:05,196 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:28:05,197 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf976c99-aa5b-4e64-976d-15465ab01d5a/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread/fib_unsafe-6.i [2022-12-15 03:28:07,787 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:28:07,977 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:28:07,977 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf976c99-aa5b-4e64-976d-15465ab01d5a/sv-benchmarks/c/pthread/fib_unsafe-6.i [2022-12-15 03:28:07,989 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf976c99-aa5b-4e64-976d-15465ab01d5a/bin/ukojak-rkRKPMF4O4/data/7cea619e9/33192d4db077488eb68f04423b41ad9e/FLAGf3df0c650 [2022-12-15 03:28:08,001 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf976c99-aa5b-4e64-976d-15465ab01d5a/bin/ukojak-rkRKPMF4O4/data/7cea619e9/33192d4db077488eb68f04423b41ad9e [2022-12-15 03:28:08,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:28:08,004 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:28:08,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:28:08,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:28:08,008 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:28:08,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:28:08" (1/1) ... [2022-12-15 03:28:08,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bddb215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:08, skipping insertion in model container [2022-12-15 03:28:08,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:28:08" (1/1) ... [2022-12-15 03:28:08,014 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:28:08,045 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:28:08,243 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_bf976c99-aa5b-4e64-976d-15465ab01d5a/sv-benchmarks/c/pthread/fib_unsafe-6.i[30243,30256] [2022-12-15 03:28:08,250 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 03:28:08,250 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 03:28:08,253 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 03:28:08,254 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 03:28:08,257 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 03:28:08,257 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 03:28:08,258 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 03:28:08,258 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 03:28:08,261 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 03:28:08,262 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 03:28:08,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:28:08,274 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:28:08,299 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_bf976c99-aa5b-4e64-976d-15465ab01d5a/sv-benchmarks/c/pthread/fib_unsafe-6.i[30243,30256] [2022-12-15 03:28:08,300 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 03:28:08,301 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 03:28:08,302 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 03:28:08,302 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 03:28:08,305 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 03:28:08,306 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 03:28:08,306 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 03:28:08,306 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 03:28:08,307 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 03:28:08,308 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 03:28:08,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:28:08,333 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:28:08,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:08 WrapperNode [2022-12-15 03:28:08,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:28:08,335 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:28:08,335 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:28:08,335 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:28:08,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:08" (1/1) ... [2022-12-15 03:28:08,353 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:08" (1/1) ... [2022-12-15 03:28:08,368 INFO L138 Inliner]: procedures = 168, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2022-12-15 03:28:08,369 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:28:08,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:28:08,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:28:08,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:28:08,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:08" (1/1) ... [2022-12-15 03:28:08,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:08" (1/1) ... [2022-12-15 03:28:08,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:08" (1/1) ... [2022-12-15 03:28:08,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:08" (1/1) ... [2022-12-15 03:28:08,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:08" (1/1) ... [2022-12-15 03:28:08,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:08" (1/1) ... [2022-12-15 03:28:08,391 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:08" (1/1) ... [2022-12-15 03:28:08,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:08" (1/1) ... [2022-12-15 03:28:08,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:28:08,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:28:08,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:28:08,395 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:28:08,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:28:08" (1/1) ... [2022-12-15 03:28:08,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:28:08,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf976c99-aa5b-4e64-976d-15465ab01d5a/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:28:08,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf976c99-aa5b-4e64-976d-15465ab01d5a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:28:08,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf976c99-aa5b-4e64-976d-15465ab01d5a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:28:08,454 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-12-15 03:28:08,454 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-12-15 03:28:08,454 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-12-15 03:28:08,454 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-12-15 03:28:08,454 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-15 03:28:08,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 03:28:08,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 03:28:08,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 03:28:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-15 03:28:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-15 03:28:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-15 03:28:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:28:08,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:28:08,456 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 03:28:08,583 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:28:08,585 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:28:08,806 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:28:08,823 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:28:08,824 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-15 03:28:08,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:28:08 BoogieIcfgContainer [2022-12-15 03:28:08,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:28:08,826 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:28:08,826 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:28:08,834 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:28:08,834 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:28:08" (1/1) ... [2022-12-15 03:28:08,835 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 03:28:08,838 INFO L158 Benchmark]: Toolchain (without parser) took 833.13ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 34.8MB in the beginning and 51.4MB in the end (delta: -16.6MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2022-12-15 03:28:08,838 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 65.0MB. Free memory was 43.6MB in the beginning and 43.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:28:08,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.13ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 34.6MB in the beginning and 51.3MB in the end (delta: -16.7MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2022-12-15 03:28:08,839 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.10ms. Allocated memory is still 86.0MB. Free memory was 51.3MB in the beginning and 49.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:28:08,839 INFO L158 Benchmark]: Boogie Preprocessor took 24.78ms. Allocated memory is still 86.0MB. Free memory was 49.1MB in the beginning and 47.0MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 03:28:08,840 INFO L158 Benchmark]: RCFGBuilder took 431.03ms. Allocated memory is still 86.0MB. Free memory was 47.0MB in the beginning and 52.6MB in the end (delta: -5.5MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2022-12-15 03:28:08,840 INFO L158 Benchmark]: CodeCheck took 10.46ms. Allocated memory is still 86.0MB. Free memory was 52.6MB in the beginning and 51.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:28:08,842 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 0.12ms. Allocated memory is still 65.0MB. Free memory was 43.6MB in the beginning and 43.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.13ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 34.6MB in the beginning and 51.3MB in the end (delta: -16.7MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.10ms. Allocated memory is still 86.0MB. Free memory was 51.3MB in the beginning and 49.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.78ms. Allocated memory is still 86.0MB. Free memory was 49.1MB in the beginning and 47.0MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 431.03ms. Allocated memory is still 86.0MB. Free memory was 47.0MB in the beginning and 52.6MB in the end (delta: -5.5MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * CodeCheck took 10.46ms. Allocated memory is still 86.0MB. Free memory was 52.6MB in the beginning and 51.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 03:28:08,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf976c99-aa5b-4e64-976d-15465ab01d5a/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