./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463bae5d-3d43-42f3-9c88-e5ed2abc23be/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463bae5d-3d43-42f3-9c88-e5ed2abc23be/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_463bae5d-3d43-42f3-9c88-e5ed2abc23be/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463bae5d-3d43-42f3-9c88-e5ed2abc23be/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463bae5d-3d43-42f3-9c88-e5ed2abc23be/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_463bae5d-3d43-42f3-9c88-e5ed2abc23be/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 e0f90189cbea201dcd094fc9e84327a00ade17017ada90c5df84c8712afaf176 --- 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 02:57:53,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:57:53,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:57:53,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:57:53,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:57:53,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:57:53,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:57:53,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:57:53,747 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:57:53,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:57:53,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:57:53,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:57:53,749 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:57:53,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:57:53,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:57:53,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:57:53,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:57:53,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:57:53,753 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:57:53,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:57:53,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:57:53,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:57:53,757 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:57:53,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:57:53,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:57:53,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:57:53,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:57:53,760 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:57:53,760 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:57:53,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:57:53,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:57:53,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:57:53,762 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:57:53,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:57:53,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:57:53,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:57:53,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:57:53,764 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:57:53,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:57:53,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:57:53,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:57:53,766 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463bae5d-3d43-42f3-9c88-e5ed2abc23be/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-15 02:57:53,779 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:57:53,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:57:53,780 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:57:53,780 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:57:53,780 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:57:53,780 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:57:53,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:57:53,781 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 02:57:53,781 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 02:57:53,781 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:57:53,781 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 02:57:53,781 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:57:53,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:57:53,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:57:53,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:57:53,781 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 02:57:53,781 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 02:57:53,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:57:53,782 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:57:53,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:57:53,782 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:57:53,782 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:57:53,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:57:53,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:57:53,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:57:53,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:57:53,782 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:57:53,783 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:57:53,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:57:53,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:57:53,783 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_463bae5d-3d43-42f3-9c88-e5ed2abc23be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463bae5d-3d43-42f3-9c88-e5ed2abc23be/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0f90189cbea201dcd094fc9e84327a00ade17017ada90c5df84c8712afaf176 [2022-12-15 02:57:54,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:57:54,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:57:54,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:57:54,019 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:57:54,019 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:57:54,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463bae5d-3d43-42f3-9c88-e5ed2abc23be/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread/fib_unsafe-5.i [2022-12-15 02:57:56,546 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:57:56,754 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:57:56,755 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463bae5d-3d43-42f3-9c88-e5ed2abc23be/sv-benchmarks/c/pthread/fib_unsafe-5.i [2022-12-15 02:57:56,770 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463bae5d-3d43-42f3-9c88-e5ed2abc23be/bin/ukojak-rkRKPMF4O4/data/6d1e120b5/a9b6a4e8a1124a8e8a6a49e85f0094f0/FLAG77322eaf7 [2022-12-15 02:57:57,139 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463bae5d-3d43-42f3-9c88-e5ed2abc23be/bin/ukojak-rkRKPMF4O4/data/6d1e120b5/a9b6a4e8a1124a8e8a6a49e85f0094f0 [2022-12-15 02:57:57,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:57:57,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:57:57,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:57:57,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:57:57,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:57:57,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:57:57" (1/1) ... [2022-12-15 02:57:57,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14bf0cd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:57:57, skipping insertion in model container [2022-12-15 02:57:57,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:57:57" (1/1) ... [2022-12-15 02:57:57,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:57:57,183 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:57:57,419 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_463bae5d-3d43-42f3-9c88-e5ed2abc23be/sv-benchmarks/c/pthread/fib_unsafe-5.i[30243,30256] [2022-12-15 02:57:57,426 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:57:57,427 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:57:57,430 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:57:57,431 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:57:57,435 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:57:57,435 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:57:57,435 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:57:57,436 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:57:57,439 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:57:57,440 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:57:57,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:57:57,451 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:57:57,483 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_463bae5d-3d43-42f3-9c88-e5ed2abc23be/sv-benchmarks/c/pthread/fib_unsafe-5.i[30243,30256] [2022-12-15 02:57:57,484 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:57:57,484 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:57:57,485 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:57:57,485 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:57:57,488 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:57:57,488 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:57:57,488 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:57:57,488 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:57:57,490 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:57:57,490 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:57:57,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:57:57,510 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:57:57,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:57:57 WrapperNode [2022-12-15 02:57:57,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:57:57,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:57:57,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:57:57,511 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:57:57,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:57:57" (1/1) ... [2022-12-15 02:57:57,530 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:57:57" (1/1) ... [2022-12-15 02:57:57,551 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2022-12-15 02:57:57,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:57:57,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:57:57,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:57:57,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:57:57,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:57:57" (1/1) ... [2022-12-15 02:57:57,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:57:57" (1/1) ... [2022-12-15 02:57:57,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:57:57" (1/1) ... [2022-12-15 02:57:57,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:57:57" (1/1) ... [2022-12-15 02:57:57,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:57:57" (1/1) ... [2022-12-15 02:57:57,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:57:57" (1/1) ... [2022-12-15 02:57:57,575 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:57:57" (1/1) ... [2022-12-15 02:57:57,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:57:57" (1/1) ... [2022-12-15 02:57:57,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:57:57,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:57:57,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:57:57,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:57:57,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:57:57" (1/1) ... [2022-12-15 02:57:57,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:57:57,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463bae5d-3d43-42f3-9c88-e5ed2abc23be/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:57:57,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463bae5d-3d43-42f3-9c88-e5ed2abc23be/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:57:57,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463bae5d-3d43-42f3-9c88-e5ed2abc23be/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:57:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-12-15 02:57:57,634 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-12-15 02:57:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-12-15 02:57:57,634 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-12-15 02:57:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 02:57:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-15 02:57:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:57:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 02:57:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 02:57:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 02:57:57,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-15 02:57:57,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:57:57,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:57:57,636 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 02:57:57,737 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:57:57,739 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:57:57,917 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:57:57,945 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:57:57,945 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-15 02:57:57,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:57:57 BoogieIcfgContainer [2022-12-15 02:57:57,948 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 02:57:57,949 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 02:57:57,949 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 02:57:57,958 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 02:57:57,958 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:57:57" (1/1) ... [2022-12-15 02:57:57,959 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 02:57:57,963 INFO L158 Benchmark]: Toolchain (without parser) took 817.66ms. Allocated memory is still 130.0MB. Free memory was 95.3MB in the beginning and 54.3MB in the end (delta: 41.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-12-15 02:57:57,963 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 130.0MB. Free memory was 102.6MB in the beginning and 102.5MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:57:57,964 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.38ms. Allocated memory is still 130.0MB. Free memory was 95.1MB in the beginning and 74.8MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-15 02:57:57,964 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.36ms. Allocated memory is still 130.0MB. Free memory was 74.8MB in the beginning and 72.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:57:57,965 INFO L158 Benchmark]: Boogie Preprocessor took 27.85ms. Allocated memory is still 130.0MB. Free memory was 72.9MB in the beginning and 71.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:57:57,965 INFO L158 Benchmark]: RCFGBuilder took 367.50ms. Allocated memory is still 130.0MB. Free memory was 71.2MB in the beginning and 55.3MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-15 02:57:57,965 INFO L158 Benchmark]: CodeCheck took 12.46ms. Allocated memory is still 130.0MB. Free memory was 55.3MB in the beginning and 54.3MB in the end (delta: 997.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:57:57,968 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 0.16ms. Allocated memory is still 130.0MB. Free memory was 102.6MB in the beginning and 102.5MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.38ms. Allocated memory is still 130.0MB. Free memory was 95.1MB in the beginning and 74.8MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.36ms. Allocated memory is still 130.0MB. Free memory was 74.8MB in the beginning and 72.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.85ms. Allocated memory is still 130.0MB. Free memory was 72.9MB in the beginning and 71.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 367.50ms. Allocated memory is still 130.0MB. Free memory was 71.2MB in the beginning and 55.3MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 12.46ms. Allocated memory is still 130.0MB. Free memory was 55.3MB in the beginning and 54.3MB in the end (delta: 997.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 02:57:57,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463bae5d-3d43-42f3-9c88-e5ed2abc23be/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463bae5d-3d43-42f3-9c88-e5ed2abc23be/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463bae5d-3d43-42f3-9c88-e5ed2abc23be/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_463bae5d-3d43-42f3-9c88-e5ed2abc23be/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463bae5d-3d43-42f3-9c88-e5ed2abc23be/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463bae5d-3d43-42f3-9c88-e5ed2abc23be/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_463bae5d-3d43-42f3-9c88-e5ed2abc23be/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 e0f90189cbea201dcd094fc9e84327a00ade17017ada90c5df84c8712afaf176 --- 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 02:57:59,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:57:59,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:57:59,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:57:59,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:57:59,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:57:59,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:57:59,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:57:59,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:57:59,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:57:59,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:57:59,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:57:59,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:57:59,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:57:59,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:57:59,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:57:59,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:57:59,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:57:59,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:57:59,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:57:59,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:57:59,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:57:59,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:57:59,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:57:59,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:57:59,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:57:59,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:57:59,784 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:57:59,784 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:57:59,785 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:57:59,786 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:57:59,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:57:59,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:57:59,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:57:59,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:57:59,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:57:59,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:57:59,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:57:59,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:57:59,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:57:59,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:57:59,793 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463bae5d-3d43-42f3-9c88-e5ed2abc23be/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-12-15 02:57:59,815 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:57:59,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:57:59,817 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:57:59,817 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:57:59,818 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:57:59,818 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:57:59,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:57:59,818 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 02:57:59,818 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 02:57:59,819 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 02:57:59,819 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:57:59,819 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:57:59,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:57:59,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:57:59,820 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-15 02:57:59,820 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-15 02:57:59,820 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 02:57:59,820 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-15 02:57:59,820 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 02:57:59,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:57:59,821 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:57:59,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:57:59,821 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:57:59,821 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:57:59,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:57:59,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:57:59,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:57:59,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:57:59,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:57:59,822 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-15 02:57:59,823 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-15 02:57:59,823 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:57:59,823 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-15 02:57:59,823 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-15 02:57:59,823 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_463bae5d-3d43-42f3-9c88-e5ed2abc23be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463bae5d-3d43-42f3-9c88-e5ed2abc23be/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0f90189cbea201dcd094fc9e84327a00ade17017ada90c5df84c8712afaf176 [2022-12-15 02:58:00,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:58:00,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:58:00,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:58:00,061 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:58:00,061 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:58:00,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463bae5d-3d43-42f3-9c88-e5ed2abc23be/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread/fib_unsafe-5.i [2022-12-15 02:58:02,601 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:58:02,797 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:58:02,797 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463bae5d-3d43-42f3-9c88-e5ed2abc23be/sv-benchmarks/c/pthread/fib_unsafe-5.i [2022-12-15 02:58:02,810 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463bae5d-3d43-42f3-9c88-e5ed2abc23be/bin/ukojak-rkRKPMF4O4/data/026d979da/11292f511a9d4ac38b1a01160d3b45bb/FLAGcd8de52f4 [2022-12-15 02:58:02,822 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463bae5d-3d43-42f3-9c88-e5ed2abc23be/bin/ukojak-rkRKPMF4O4/data/026d979da/11292f511a9d4ac38b1a01160d3b45bb [2022-12-15 02:58:02,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:58:02,825 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:58:02,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:58:02,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:58:02,828 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:58:02,829 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:58:02" (1/1) ... [2022-12-15 02:58:02,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@155ed49f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:58:02, skipping insertion in model container [2022-12-15 02:58:02,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:58:02" (1/1) ... [2022-12-15 02:58:02,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:58:02,868 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:58:03,056 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_463bae5d-3d43-42f3-9c88-e5ed2abc23be/sv-benchmarks/c/pthread/fib_unsafe-5.i[30243,30256] [2022-12-15 02:58:03,062 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:58:03,062 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:58:03,065 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:58:03,065 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:58:03,068 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:58:03,068 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:58:03,069 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:58:03,069 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:58:03,072 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:58:03,072 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:58:03,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:58:03,083 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:58:03,107 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_463bae5d-3d43-42f3-9c88-e5ed2abc23be/sv-benchmarks/c/pthread/fib_unsafe-5.i[30243,30256] [2022-12-15 02:58:03,109 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:58:03,109 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:58:03,110 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:58:03,110 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:58:03,113 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:58:03,113 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:58:03,113 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:58:03,113 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:58:03,115 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 02:58:03,115 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 02:58:03,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:58:03,137 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:58:03,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:58:03 WrapperNode [2022-12-15 02:58:03,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:58:03,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:58:03,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:58:03,138 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:58:03,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:58:03" (1/1) ... [2022-12-15 02:58:03,159 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:58:03" (1/1) ... [2022-12-15 02:58:03,180 INFO L138 Inliner]: procedures = 168, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2022-12-15 02:58:03,180 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:58:03,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:58:03,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:58:03,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:58:03,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:58:03" (1/1) ... [2022-12-15 02:58:03,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:58:03" (1/1) ... [2022-12-15 02:58:03,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:58:03" (1/1) ... [2022-12-15 02:58:03,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:58:03" (1/1) ... [2022-12-15 02:58:03,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:58:03" (1/1) ... [2022-12-15 02:58:03,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:58:03" (1/1) ... [2022-12-15 02:58:03,211 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:58:03" (1/1) ... [2022-12-15 02:58:03,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:58:03" (1/1) ... [2022-12-15 02:58:03,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:58:03,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:58:03,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:58:03,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:58:03,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:58:03" (1/1) ... [2022-12-15 02:58:03,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:58:03,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463bae5d-3d43-42f3-9c88-e5ed2abc23be/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:58:03,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463bae5d-3d43-42f3-9c88-e5ed2abc23be/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:58:03,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463bae5d-3d43-42f3-9c88-e5ed2abc23be/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:58:03,281 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-12-15 02:58:03,281 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-12-15 02:58:03,281 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-12-15 02:58:03,282 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-12-15 02:58:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-15 02:58:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:58:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 02:58:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 02:58:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-15 02:58:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-15 02:58:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-15 02:58:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:58:03,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:58:03,284 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 02:58:03,406 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:58:03,408 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:58:03,631 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:58:03,650 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:58:03,651 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-15 02:58:03,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:58:03 BoogieIcfgContainer [2022-12-15 02:58:03,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 02:58:03,654 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 02:58:03,654 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 02:58:03,663 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 02:58:03,663 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:58:03" (1/1) ... [2022-12-15 02:58:03,664 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 02:58:03,667 INFO L158 Benchmark]: Toolchain (without parser) took 841.22ms. Allocated memory is still 75.5MB. Free memory was 37.9MB in the beginning and 32.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2022-12-15 02:58:03,667 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 60.8MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:58:03,668 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.59ms. Allocated memory is still 75.5MB. Free memory was 37.7MB in the beginning and 35.8MB in the end (delta: 1.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 02:58:03,668 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.62ms. Allocated memory is still 75.5MB. Free memory was 35.6MB in the beginning and 53.3MB in the end (delta: -17.7MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2022-12-15 02:58:03,669 INFO L158 Benchmark]: Boogie Preprocessor took 37.27ms. Allocated memory is still 75.5MB. Free memory was 53.3MB in the beginning and 51.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:58:03,669 INFO L158 Benchmark]: RCFGBuilder took 433.83ms. Allocated memory is still 75.5MB. Free memory was 51.3MB in the beginning and 33.7MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-15 02:58:03,670 INFO L158 Benchmark]: CodeCheck took 11.91ms. Allocated memory is still 75.5MB. Free memory was 33.7MB in the beginning and 32.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:58:03,672 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 60.8MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.59ms. Allocated memory is still 75.5MB. Free memory was 37.7MB in the beginning and 35.8MB in the end (delta: 1.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.62ms. Allocated memory is still 75.5MB. Free memory was 35.6MB in the beginning and 53.3MB in the end (delta: -17.7MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.27ms. Allocated memory is still 75.5MB. Free memory was 53.3MB in the beginning and 51.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 433.83ms. Allocated memory is still 75.5MB. Free memory was 51.3MB in the beginning and 33.7MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 11.91ms. Allocated memory is still 75.5MB. Free memory was 33.7MB in the beginning and 32.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 02:58:03,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_463bae5d-3d43-42f3-9c88-e5ed2abc23be/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