./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-10.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_d66559a8-62ca-4b6a-933d-205b356d16f7/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66559a8-62ca-4b6a-933d-205b356d16f7/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_d66559a8-62ca-4b6a-933d-205b356d16f7/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66559a8-62ca-4b6a-933d-205b356d16f7/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66559a8-62ca-4b6a-933d-205b356d16f7/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_d66559a8-62ca-4b6a-933d-205b356d16f7/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 89d9c43e2f37f1bac8114d01260f8a993f33530b50231d4afed1f3cf3859d385 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 19:38:01,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 19:38:01,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 19:38:01,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 19:38:01,621 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 19:38:01,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 19:38:01,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 19:38:01,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 19:38:01,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 19:38:01,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 19:38:01,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 19:38:01,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 19:38:01,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 19:38:01,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 19:38:01,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 19:38:01,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 19:38:01,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 19:38:01,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 19:38:01,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 19:38:01,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 19:38:01,634 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 19:38:01,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 19:38:01,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 19:38:01,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 19:38:01,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 19:38:01,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 19:38:01,641 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 19:38:01,642 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 19:38:01,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 19:38:01,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 19:38:01,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 19:38:01,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 19:38:01,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 19:38:01,644 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 19:38:01,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 19:38:01,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 19:38:01,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 19:38:01,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 19:38:01,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 19:38:01,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 19:38:01,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 19:38:01,648 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66559a8-62ca-4b6a-933d-205b356d16f7/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 19:38:01,662 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 19:38:01,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 19:38:01,662 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 19:38:01,663 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 19:38:01,663 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 19:38:01,663 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 19:38:01,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 19:38:01,663 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 19:38:01,664 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 19:38:01,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 19:38:01,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 19:38:01,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 19:38:01,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 19:38:01,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 19:38:01,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 19:38:01,664 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 19:38:01,664 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 19:38:01,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 19:38:01,665 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 19:38:01,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 19:38:01,665 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 19:38:01,665 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 19:38:01,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 19:38:01,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:38:01,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 19:38:01,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 19:38:01,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 19:38:01,666 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 19:38:01,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 19:38:01,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 19:38:01,666 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_d66559a8-62ca-4b6a-933d-205b356d16f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66559a8-62ca-4b6a-933d-205b356d16f7/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89d9c43e2f37f1bac8114d01260f8a993f33530b50231d4afed1f3cf3859d385 [2022-12-14 19:38:01,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 19:38:01,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 19:38:01,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 19:38:01,864 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 19:38:01,864 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 19:38:01,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66559a8-62ca-4b6a-933d-205b356d16f7/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread/fib_unsafe-10.i [2022-12-14 19:38:04,509 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 19:38:04,670 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 19:38:04,670 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66559a8-62ca-4b6a-933d-205b356d16f7/sv-benchmarks/c/pthread/fib_unsafe-10.i [2022-12-14 19:38:04,680 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66559a8-62ca-4b6a-933d-205b356d16f7/bin/ukojak-rkRKPMF4O4/data/63a8886ba/1227b4047dfc4e94868d4c077ec26db0/FLAGfcd6a1f50 [2022-12-14 19:38:04,693 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66559a8-62ca-4b6a-933d-205b356d16f7/bin/ukojak-rkRKPMF4O4/data/63a8886ba/1227b4047dfc4e94868d4c077ec26db0 [2022-12-14 19:38:04,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 19:38:04,697 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 19:38:04,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 19:38:04,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 19:38:04,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 19:38:04,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:38:04" (1/1) ... [2022-12-14 19:38:04,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66cc2fd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:04, skipping insertion in model container [2022-12-14 19:38:04,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:38:04" (1/1) ... [2022-12-14 19:38:04,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 19:38:04,744 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 19:38:04,997 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_d66559a8-62ca-4b6a-933d-205b356d16f7/sv-benchmarks/c/pthread/fib_unsafe-10.i[30243,30256] [2022-12-14 19:38:05,003 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 19:38:05,004 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 19:38:05,007 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 19:38:05,008 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 19:38:05,012 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 19:38:05,012 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 19:38:05,012 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 19:38:05,013 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 19:38:05,016 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 19:38:05,017 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 19:38:05,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:38:05,026 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 19:38:05,057 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_d66559a8-62ca-4b6a-933d-205b356d16f7/sv-benchmarks/c/pthread/fib_unsafe-10.i[30243,30256] [2022-12-14 19:38:05,058 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 19:38:05,059 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 19:38:05,060 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 19:38:05,060 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 19:38:05,063 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 19:38:05,064 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 19:38:05,064 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 19:38:05,064 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 19:38:05,066 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 19:38:05,067 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 19:38:05,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:38:05,092 INFO L208 MainTranslator]: Completed translation [2022-12-14 19:38:05,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:05 WrapperNode [2022-12-14 19:38:05,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 19:38:05,094 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 19:38:05,094 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 19:38:05,094 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 19:38:05,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:05" (1/1) ... [2022-12-14 19:38:05,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:05" (1/1) ... [2022-12-14 19:38:05,130 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2022-12-14 19:38:05,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 19:38:05,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 19:38:05,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 19:38:05,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 19:38:05,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:05" (1/1) ... [2022-12-14 19:38:05,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:05" (1/1) ... [2022-12-14 19:38:05,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:05" (1/1) ... [2022-12-14 19:38:05,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:05" (1/1) ... [2022-12-14 19:38:05,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:05" (1/1) ... [2022-12-14 19:38:05,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:05" (1/1) ... [2022-12-14 19:38:05,154 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:05" (1/1) ... [2022-12-14 19:38:05,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:05" (1/1) ... [2022-12-14 19:38:05,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 19:38:05,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 19:38:05,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 19:38:05,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 19:38:05,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:05" (1/1) ... [2022-12-14 19:38:05,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:38:05,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66559a8-62ca-4b6a-933d-205b356d16f7/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 19:38:05,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66559a8-62ca-4b6a-933d-205b356d16f7/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 19:38:05,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66559a8-62ca-4b6a-933d-205b356d16f7/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 19:38:05,221 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-12-14 19:38:05,221 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-12-14 19:38:05,221 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-12-14 19:38:05,222 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-12-14 19:38:05,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 19:38:05,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 19:38:05,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 19:38:05,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 19:38:05,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 19:38:05,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 19:38:05,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 19:38:05,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 19:38:05,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 19:38:05,223 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 19:38:05,332 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 19:38:05,334 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 19:38:05,515 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 19:38:05,548 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 19:38:05,548 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 19:38:05,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:38:05 BoogieIcfgContainer [2022-12-14 19:38:05,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 19:38:05,552 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 19:38:05,552 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 19:38:05,560 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 19:38:05,560 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:38:05" (1/1) ... [2022-12-14 19:38:05,560 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 19:38:05,564 INFO L158 Benchmark]: Toolchain (without parser) took 866.62ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 81.9MB in the beginning and 114.5MB in the end (delta: -32.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:38:05,565 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 119.5MB. Free memory was 83.4MB in the beginning and 83.3MB in the end (delta: 30.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:38:05,566 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.89ms. Allocated memory is still 119.5MB. Free memory was 81.4MB in the beginning and 61.3MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 19:38:05,566 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.41ms. Allocated memory is still 119.5MB. Free memory was 61.3MB in the beginning and 59.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 19:38:05,567 INFO L158 Benchmark]: Boogie Preprocessor took 26.13ms. Allocated memory is still 119.5MB. Free memory was 59.3MB in the beginning and 57.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:38:05,568 INFO L158 Benchmark]: RCFGBuilder took 392.58ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 57.8MB in the beginning and 114.7MB in the end (delta: -56.9MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2022-12-14 19:38:05,568 INFO L158 Benchmark]: CodeCheck took 11.01ms. Allocated memory is still 144.7MB. Free memory was 114.7MB in the beginning and 114.5MB in the end (delta: 185.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:38:05,572 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 119.5MB. Free memory was 83.4MB in the beginning and 83.3MB in the end (delta: 30.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.89ms. Allocated memory is still 119.5MB. Free memory was 81.4MB in the beginning and 61.3MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.41ms. Allocated memory is still 119.5MB. Free memory was 61.3MB in the beginning and 59.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.13ms. Allocated memory is still 119.5MB. Free memory was 59.3MB in the beginning and 57.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 392.58ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 57.8MB in the beginning and 114.7MB in the end (delta: -56.9MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. * CodeCheck took 11.01ms. Allocated memory is still 144.7MB. Free memory was 114.7MB in the beginning and 114.5MB in the end (delta: 185.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 19:38:05,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66559a8-62ca-4b6a-933d-205b356d16f7/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_d66559a8-62ca-4b6a-933d-205b356d16f7/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66559a8-62ca-4b6a-933d-205b356d16f7/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_d66559a8-62ca-4b6a-933d-205b356d16f7/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66559a8-62ca-4b6a-933d-205b356d16f7/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66559a8-62ca-4b6a-933d-205b356d16f7/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_d66559a8-62ca-4b6a-933d-205b356d16f7/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 89d9c43e2f37f1bac8114d01260f8a993f33530b50231d4afed1f3cf3859d385 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 19:38:07,371 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 19:38:07,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 19:38:07,393 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 19:38:07,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 19:38:07,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 19:38:07,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 19:38:07,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 19:38:07,398 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 19:38:07,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 19:38:07,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 19:38:07,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 19:38:07,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 19:38:07,402 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 19:38:07,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 19:38:07,404 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 19:38:07,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 19:38:07,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 19:38:07,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 19:38:07,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 19:38:07,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 19:38:07,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 19:38:07,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 19:38:07,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 19:38:07,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 19:38:07,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 19:38:07,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 19:38:07,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 19:38:07,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 19:38:07,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 19:38:07,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 19:38:07,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 19:38:07,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 19:38:07,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 19:38:07,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 19:38:07,428 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 19:38:07,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 19:38:07,429 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 19:38:07,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 19:38:07,430 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 19:38:07,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 19:38:07,431 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66559a8-62ca-4b6a-933d-205b356d16f7/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-12-14 19:38:07,453 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 19:38:07,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 19:38:07,454 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 19:38:07,454 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 19:38:07,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 19:38:07,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 19:38:07,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 19:38:07,455 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 19:38:07,455 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 19:38:07,455 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 19:38:07,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 19:38:07,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 19:38:07,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 19:38:07,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 19:38:07,456 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 19:38:07,456 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 19:38:07,456 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 19:38:07,456 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 19:38:07,457 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 19:38:07,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 19:38:07,457 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 19:38:07,457 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 19:38:07,457 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 19:38:07,457 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 19:38:07,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 19:38:07,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:38:07,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 19:38:07,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 19:38:07,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 19:38:07,459 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 19:38:07,459 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 19:38:07,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 19:38:07,459 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 19:38:07,459 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 19:38:07,459 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_d66559a8-62ca-4b6a-933d-205b356d16f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66559a8-62ca-4b6a-933d-205b356d16f7/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89d9c43e2f37f1bac8114d01260f8a993f33530b50231d4afed1f3cf3859d385 [2022-12-14 19:38:07,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 19:38:07,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 19:38:07,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 19:38:07,703 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 19:38:07,703 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 19:38:07,704 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66559a8-62ca-4b6a-933d-205b356d16f7/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread/fib_unsafe-10.i [2022-12-14 19:38:10,346 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 19:38:10,528 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 19:38:10,529 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66559a8-62ca-4b6a-933d-205b356d16f7/sv-benchmarks/c/pthread/fib_unsafe-10.i [2022-12-14 19:38:10,539 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66559a8-62ca-4b6a-933d-205b356d16f7/bin/ukojak-rkRKPMF4O4/data/f147e9a84/5466250524dd4414ba7c7c69f9009437/FLAGca39fbe5d [2022-12-14 19:38:10,553 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66559a8-62ca-4b6a-933d-205b356d16f7/bin/ukojak-rkRKPMF4O4/data/f147e9a84/5466250524dd4414ba7c7c69f9009437 [2022-12-14 19:38:10,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 19:38:10,556 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 19:38:10,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 19:38:10,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 19:38:10,559 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 19:38:10,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:38:10" (1/1) ... [2022-12-14 19:38:10,561 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49fcdf4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:10, skipping insertion in model container [2022-12-14 19:38:10,561 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:38:10" (1/1) ... [2022-12-14 19:38:10,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 19:38:10,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 19:38:10,837 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_d66559a8-62ca-4b6a-933d-205b356d16f7/sv-benchmarks/c/pthread/fib_unsafe-10.i[30243,30256] [2022-12-14 19:38:10,844 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 19:38:10,845 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 19:38:10,848 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 19:38:10,848 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 19:38:10,852 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 19:38:10,852 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 19:38:10,852 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 19:38:10,853 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 19:38:10,856 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 19:38:10,857 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 19:38:10,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:38:10,869 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 19:38:10,907 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_d66559a8-62ca-4b6a-933d-205b356d16f7/sv-benchmarks/c/pthread/fib_unsafe-10.i[30243,30256] [2022-12-14 19:38:10,909 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 19:38:10,909 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 19:38:10,911 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 19:38:10,912 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 19:38:10,915 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 19:38:10,916 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 19:38:10,916 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 19:38:10,916 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 19:38:10,918 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 19:38:10,919 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 19:38:10,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:38:10,956 INFO L208 MainTranslator]: Completed translation [2022-12-14 19:38:10,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:10 WrapperNode [2022-12-14 19:38:10,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 19:38:10,958 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 19:38:10,958 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 19:38:10,958 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 19:38:10,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:10" (1/1) ... [2022-12-14 19:38:10,978 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:10" (1/1) ... [2022-12-14 19:38:10,995 INFO L138 Inliner]: procedures = 168, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2022-12-14 19:38:10,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 19:38:10,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 19:38:10,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 19:38:10,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 19:38:11,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:10" (1/1) ... [2022-12-14 19:38:11,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:10" (1/1) ... [2022-12-14 19:38:11,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:10" (1/1) ... [2022-12-14 19:38:11,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:10" (1/1) ... [2022-12-14 19:38:11,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:10" (1/1) ... [2022-12-14 19:38:11,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:10" (1/1) ... [2022-12-14 19:38:11,021 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:10" (1/1) ... [2022-12-14 19:38:11,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:10" (1/1) ... [2022-12-14 19:38:11,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 19:38:11,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 19:38:11,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 19:38:11,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 19:38:11,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:38:10" (1/1) ... [2022-12-14 19:38:11,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:38:11,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66559a8-62ca-4b6a-933d-205b356d16f7/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 19:38:11,050 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66559a8-62ca-4b6a-933d-205b356d16f7/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 19:38:11,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66559a8-62ca-4b6a-933d-205b356d16f7/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 19:38:11,083 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-12-14 19:38:11,083 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-12-14 19:38:11,084 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-12-14 19:38:11,084 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-12-14 19:38:11,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 19:38:11,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 19:38:11,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 19:38:11,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 19:38:11,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 19:38:11,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 19:38:11,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 19:38:11,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 19:38:11,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 19:38:11,086 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 19:38:11,205 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 19:38:11,207 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 19:38:11,431 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 19:38:11,448 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 19:38:11,448 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 19:38:11,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:38:11 BoogieIcfgContainer [2022-12-14 19:38:11,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 19:38:11,451 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 19:38:11,451 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 19:38:11,458 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 19:38:11,458 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:38:11" (1/1) ... [2022-12-14 19:38:11,458 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 19:38:11,461 INFO L158 Benchmark]: Toolchain (without parser) took 904.72ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 44.1MB in the beginning and 34.8MB in the end (delta: 9.3MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2022-12-14 19:38:11,462 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 69.2MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:38:11,462 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.31ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 43.9MB in the beginning and 57.4MB in the end (delta: -13.6MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2022-12-14 19:38:11,462 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.95ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 55.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 19:38:11,463 INFO L158 Benchmark]: Boogie Preprocessor took 29.96ms. Allocated memory is still 83.9MB. Free memory was 55.4MB in the beginning and 53.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 19:38:11,463 INFO L158 Benchmark]: RCFGBuilder took 423.32ms. Allocated memory is still 83.9MB. Free memory was 53.3MB in the beginning and 35.6MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 19:38:11,463 INFO L158 Benchmark]: CodeCheck took 9.51ms. Allocated memory is still 83.9MB. Free memory was 35.6MB in the beginning and 34.8MB in the end (delta: 805.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:38:11,465 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 69.2MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.31ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 43.9MB in the beginning and 57.4MB in the end (delta: -13.6MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.95ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 55.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.96ms. Allocated memory is still 83.9MB. Free memory was 55.4MB in the beginning and 53.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 423.32ms. Allocated memory is still 83.9MB. Free memory was 53.3MB in the beginning and 35.6MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 9.51ms. Allocated memory is still 83.9MB. Free memory was 35.6MB in the beginning and 34.8MB in the end (delta: 805.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 19:38:11,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66559a8-62ca-4b6a-933d-205b356d16f7/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