./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_88fb269a-6453-49c8-afbe-c86b38c2ffaf/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88fb269a-6453-49c8-afbe-c86b38c2ffaf/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_88fb269a-6453-49c8-afbe-c86b38c2ffaf/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88fb269a-6453-49c8-afbe-c86b38c2ffaf/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88fb269a-6453-49c8-afbe-c86b38c2ffaf/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88fb269a-6453-49c8-afbe-c86b38c2ffaf/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 854e371c98b43d805c328b457758892c4a501d7b326c2672c089850792494a4b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 18:51:38,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:51:38,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:51:38,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:51:38,652 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:51:38,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:51:38,653 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:51:38,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:51:38,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:51:38,656 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:51:38,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:51:38,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:51:38,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:51:38,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:51:38,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:51:38,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:51:38,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:51:38,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:51:38,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:51:38,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:51:38,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:51:38,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:51:38,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:51:38,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:51:38,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:51:38,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:51:38,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:51:38,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:51:38,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:51:38,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:51:38,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:51:38,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:51:38,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:51:38,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:51:38,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:51:38,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:51:38,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:51:38,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:51:38,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:51:38,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:51:38,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:51:38,677 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88fb269a-6453-49c8-afbe-c86b38c2ffaf/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-12-14 18:51:38,690 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:51:38,690 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:51:38,691 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:51:38,691 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:51:38,691 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:51:38,691 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 18:51:38,691 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:51:38,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:51:38,691 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 18:51:38,692 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:51:38,692 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 18:51:38,692 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 18:51:38,692 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 18:51:38,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:51:38,692 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 18:51:38,692 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:51:38,692 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:51:38,692 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:51:38,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:51:38,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:51:38,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:51:38,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:51:38,693 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:51:38,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:51:38,693 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_88fb269a-6453-49c8-afbe-c86b38c2ffaf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88fb269a-6453-49c8-afbe-c86b38c2ffaf/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 854e371c98b43d805c328b457758892c4a501d7b326c2672c089850792494a4b [2022-12-14 18:51:38,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:51:38,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:51:38,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:51:38,869 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:51:38,870 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:51:38,871 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88fb269a-6453-49c8-afbe-c86b38c2ffaf/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread/fib_unsafe-6.i [2022-12-14 18:51:41,392 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:51:41,573 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:51:41,573 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88fb269a-6453-49c8-afbe-c86b38c2ffaf/sv-benchmarks/c/pthread/fib_unsafe-6.i [2022-12-14 18:51:41,583 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88fb269a-6453-49c8-afbe-c86b38c2ffaf/bin/ukojak-rkRKPMF4O4/data/5359d6fac/2002adba33c24fb8a3050ca9c99cd836/FLAGf48cd4e42 [2022-12-14 18:51:41,593 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88fb269a-6453-49c8-afbe-c86b38c2ffaf/bin/ukojak-rkRKPMF4O4/data/5359d6fac/2002adba33c24fb8a3050ca9c99cd836 [2022-12-14 18:51:41,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:51:41,596 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:51:41,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:51:41,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:51:41,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:51:41,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:51:41" (1/1) ... [2022-12-14 18:51:41,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5369e665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:41, skipping insertion in model container [2022-12-14 18:51:41,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:51:41" (1/1) ... [2022-12-14 18:51:41,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:51:41,634 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:51:41,824 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_88fb269a-6453-49c8-afbe-c86b38c2ffaf/sv-benchmarks/c/pthread/fib_unsafe-6.i[30243,30256] [2022-12-14 18:51:41,831 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:51:41,831 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:51:41,834 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:51:41,834 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:51:41,837 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:51:41,837 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:51:41,838 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:51:41,838 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:51:41,840 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:51:41,841 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:51:41,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:51:41,849 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:51:41,873 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_88fb269a-6453-49c8-afbe-c86b38c2ffaf/sv-benchmarks/c/pthread/fib_unsafe-6.i[30243,30256] [2022-12-14 18:51:41,874 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:51:41,874 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:51:41,875 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:51:41,875 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:51:41,877 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:51:41,877 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:51:41,877 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:51:41,877 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:51:41,878 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:51:41,879 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:51:41,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:51:41,898 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:51:41,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:41 WrapperNode [2022-12-14 18:51:41,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:51:41,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:51:41,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:51:41,900 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:51:41,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:41" (1/1) ... [2022-12-14 18:51:41,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:41" (1/1) ... [2022-12-14 18:51:41,927 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2022-12-14 18:51:41,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:51:41,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:51:41,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:51:41,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:51:41,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:41" (1/1) ... [2022-12-14 18:51:41,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:41" (1/1) ... [2022-12-14 18:51:41,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:41" (1/1) ... [2022-12-14 18:51:41,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:41" (1/1) ... [2022-12-14 18:51:41,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:41" (1/1) ... [2022-12-14 18:51:41,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:41" (1/1) ... [2022-12-14 18:51:41,943 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:41" (1/1) ... [2022-12-14 18:51:41,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:41" (1/1) ... [2022-12-14 18:51:41,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:51:41,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:51:41,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:51:41,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:51:41,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:41" (1/1) ... [2022-12-14 18:51:41,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:51:41,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88fb269a-6453-49c8-afbe-c86b38c2ffaf/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:51:41,972 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88fb269a-6453-49c8-afbe-c86b38c2ffaf/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:51:41,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88fb269a-6453-49c8-afbe-c86b38c2ffaf/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:51:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-12-14 18:51:42,010 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-12-14 18:51:42,010 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-12-14 18:51:42,010 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-12-14 18:51:42,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 18:51:42,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 18:51:42,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:51:42,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 18:51:42,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:51:42,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:51:42,011 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 18:51:42,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:51:42,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:51:42,013 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 18:51:42,113 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:51:42,114 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:51:42,253 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:51:42,258 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:51:42,258 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 18:51:42,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:51:42 BoogieIcfgContainer [2022-12-14 18:51:42,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:51:42,261 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:51:42,261 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:51:42,268 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:51:42,268 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:51:42" (1/1) ... [2022-12-14 18:51:42,269 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 18:51:42,271 INFO L158 Benchmark]: Toolchain (without parser) took 674.79ms. Allocated memory is still 172.0MB. Free memory was 135.8MB in the beginning and 96.2MB in the end (delta: 39.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-12-14 18:51:42,272 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 98.6MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:51:42,272 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.88ms. Allocated memory is still 172.0MB. Free memory was 135.8MB in the beginning and 115.6MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 18:51:42,272 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.16ms. Allocated memory is still 172.0MB. Free memory was 115.6MB in the beginning and 113.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:51:42,273 INFO L158 Benchmark]: Boogie Preprocessor took 17.57ms. Allocated memory is still 172.0MB. Free memory was 113.5MB in the beginning and 112.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:51:42,273 INFO L158 Benchmark]: RCFGBuilder took 314.07ms. Allocated memory is still 172.0MB. Free memory was 112.0MB in the beginning and 97.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 18:51:42,274 INFO L158 Benchmark]: CodeCheck took 9.73ms. Allocated memory is still 172.0MB. Free memory was 97.3MB in the beginning and 96.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:51:42,276 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 98.6MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.88ms. Allocated memory is still 172.0MB. Free memory was 135.8MB in the beginning and 115.6MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.16ms. Allocated memory is still 172.0MB. Free memory was 115.6MB in the beginning and 113.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.57ms. Allocated memory is still 172.0MB. Free memory was 113.5MB in the beginning and 112.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 314.07ms. Allocated memory is still 172.0MB. Free memory was 112.0MB in the beginning and 97.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 9.73ms. Allocated memory is still 172.0MB. Free memory was 97.3MB in the beginning and 96.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 18:51:42,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88fb269a-6453-49c8-afbe-c86b38c2ffaf/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_88fb269a-6453-49c8-afbe-c86b38c2ffaf/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88fb269a-6453-49c8-afbe-c86b38c2ffaf/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_88fb269a-6453-49c8-afbe-c86b38c2ffaf/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88fb269a-6453-49c8-afbe-c86b38c2ffaf/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88fb269a-6453-49c8-afbe-c86b38c2ffaf/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88fb269a-6453-49c8-afbe-c86b38c2ffaf/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 854e371c98b43d805c328b457758892c4a501d7b326c2672c089850792494a4b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 18:51:43,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:51:43,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:51:43,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:51:43,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:51:43,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:51:43,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:51:43,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:51:43,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:51:43,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:51:43,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:51:43,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:51:43,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:51:43,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:51:43,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:51:43,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:51:43,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:51:43,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:51:43,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:51:43,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:51:43,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:51:43,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:51:43,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:51:43,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:51:43,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:51:43,891 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:51:43,891 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:51:43,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:51:43,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:51:43,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:51:43,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:51:43,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:51:43,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:51:43,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:51:43,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:51:43,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:51:43,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:51:43,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:51:43,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:51:43,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:51:43,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:51:43,905 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88fb269a-6453-49c8-afbe-c86b38c2ffaf/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2022-12-14 18:51:43,928 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:51:43,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:51:43,929 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:51:43,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:51:43,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:51:43,930 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 18:51:43,930 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:51:43,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:51:43,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 18:51:43,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:51:43,931 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 18:51:43,931 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 18:51:43,931 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 18:51:43,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:51:43,931 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 18:51:43,932 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 18:51:43,932 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 18:51:43,932 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 18:51:43,932 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:51:43,932 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:51:43,933 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:51:43,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:51:43,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:51:43,933 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:51:43,933 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:51:43,934 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 18:51:43,934 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 18:51:43,934 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 18:51:43,934 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 18:51:43,934 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_88fb269a-6453-49c8-afbe-c86b38c2ffaf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88fb269a-6453-49c8-afbe-c86b38c2ffaf/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 854e371c98b43d805c328b457758892c4a501d7b326c2672c089850792494a4b [2022-12-14 18:51:44,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:51:44,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:51:44,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:51:44,191 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:51:44,191 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:51:44,192 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88fb269a-6453-49c8-afbe-c86b38c2ffaf/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread/fib_unsafe-6.i [2022-12-14 18:51:46,752 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:51:46,942 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:51:46,942 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88fb269a-6453-49c8-afbe-c86b38c2ffaf/sv-benchmarks/c/pthread/fib_unsafe-6.i [2022-12-14 18:51:46,955 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88fb269a-6453-49c8-afbe-c86b38c2ffaf/bin/ukojak-rkRKPMF4O4/data/944a55dec/960fd9547e224509bdfa698f0192714e/FLAG3f90e34eb [2022-12-14 18:51:46,968 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88fb269a-6453-49c8-afbe-c86b38c2ffaf/bin/ukojak-rkRKPMF4O4/data/944a55dec/960fd9547e224509bdfa698f0192714e [2022-12-14 18:51:46,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:51:46,971 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:51:46,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:51:46,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:51:46,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:51:46,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:51:46" (1/1) ... [2022-12-14 18:51:46,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ad55120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:46, skipping insertion in model container [2022-12-14 18:51:46,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:51:46" (1/1) ... [2022-12-14 18:51:46,982 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:51:47,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:51:47,268 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_88fb269a-6453-49c8-afbe-c86b38c2ffaf/sv-benchmarks/c/pthread/fib_unsafe-6.i[30243,30256] [2022-12-14 18:51:47,275 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:51:47,275 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:51:47,278 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:51:47,278 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:51:47,281 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:51:47,281 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:51:47,281 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:51:47,282 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:51:47,285 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:51:47,285 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:51:47,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:51:47,296 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:51:47,319 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_88fb269a-6453-49c8-afbe-c86b38c2ffaf/sv-benchmarks/c/pthread/fib_unsafe-6.i[30243,30256] [2022-12-14 18:51:47,320 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:51:47,320 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:51:47,321 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:51:47,321 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:51:47,323 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:51:47,324 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:51:47,324 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:51:47,324 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:51:47,325 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 18:51:47,326 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 18:51:47,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:51:47,350 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:51:47,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:47 WrapperNode [2022-12-14 18:51:47,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:51:47,352 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:51:47,352 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:51:47,352 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:51:47,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:47" (1/1) ... [2022-12-14 18:51:47,367 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:47" (1/1) ... [2022-12-14 18:51:47,382 INFO L138 Inliner]: procedures = 168, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2022-12-14 18:51:47,382 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:51:47,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:51:47,383 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:51:47,383 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:51:47,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:47" (1/1) ... [2022-12-14 18:51:47,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:47" (1/1) ... [2022-12-14 18:51:47,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:47" (1/1) ... [2022-12-14 18:51:47,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:47" (1/1) ... [2022-12-14 18:51:47,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:47" (1/1) ... [2022-12-14 18:51:47,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:47" (1/1) ... [2022-12-14 18:51:47,399 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:47" (1/1) ... [2022-12-14 18:51:47,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:47" (1/1) ... [2022-12-14 18:51:47,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:51:47,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:51:47,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:51:47,403 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:51:47,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:51:47" (1/1) ... [2022-12-14 18:51:47,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:51:47,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88fb269a-6453-49c8-afbe-c86b38c2ffaf/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:51:47,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88fb269a-6453-49c8-afbe-c86b38c2ffaf/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:51:47,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88fb269a-6453-49c8-afbe-c86b38c2ffaf/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:51:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-12-14 18:51:47,459 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-12-14 18:51:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-12-14 18:51:47,459 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-12-14 18:51:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 18:51:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:51:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 18:51:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:51:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 18:51:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 18:51:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 18:51:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:51:47,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:51:47,462 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 18:51:47,572 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:51:47,573 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:51:47,759 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:51:47,767 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:51:47,767 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 18:51:47,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:51:47 BoogieIcfgContainer [2022-12-14 18:51:47,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:51:47,770 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:51:47,770 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:51:47,778 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:51:47,778 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:51:47" (1/1) ... [2022-12-14 18:51:47,778 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 18:51:47,782 INFO L158 Benchmark]: Toolchain (without parser) took 809.86ms. Allocated memory was 65.0MB in the beginning and 94.4MB in the end (delta: 29.4MB). Free memory was 34.6MB in the beginning and 63.7MB in the end (delta: -29.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:51:47,782 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 65.0MB. Free memory was 43.6MB in the beginning and 43.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:51:47,782 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.16ms. Allocated memory was 65.0MB in the beginning and 94.4MB in the end (delta: 29.4MB). Free memory was 34.2MB in the beginning and 59.7MB in the end (delta: -25.5MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2022-12-14 18:51:47,783 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.52ms. Allocated memory is still 94.4MB. Free memory was 59.7MB in the beginning and 57.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:51:47,783 INFO L158 Benchmark]: Boogie Preprocessor took 20.15ms. Allocated memory is still 94.4MB. Free memory was 57.6MB in the beginning and 55.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:51:47,784 INFO L158 Benchmark]: RCFGBuilder took 365.92ms. Allocated memory is still 94.4MB. Free memory was 55.8MB in the beginning and 64.7MB in the end (delta: -8.9MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2022-12-14 18:51:47,784 INFO L158 Benchmark]: CodeCheck took 10.52ms. Allocated memory is still 94.4MB. Free memory was 64.7MB in the beginning and 63.7MB in the end (delta: 968.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:51:47,787 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 65.0MB. Free memory was 43.6MB in the beginning and 43.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.16ms. Allocated memory was 65.0MB in the beginning and 94.4MB in the end (delta: 29.4MB). Free memory was 34.2MB in the beginning and 59.7MB in the end (delta: -25.5MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.52ms. Allocated memory is still 94.4MB. Free memory was 59.7MB in the beginning and 57.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.15ms. Allocated memory is still 94.4MB. Free memory was 57.6MB in the beginning and 55.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 365.92ms. Allocated memory is still 94.4MB. Free memory was 55.8MB in the beginning and 64.7MB in the end (delta: -8.9MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * CodeCheck took 10.52ms. Allocated memory is still 94.4MB. Free memory was 64.7MB in the beginning and 63.7MB in the end (delta: 968.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 18:51:47,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88fb269a-6453-49c8-afbe-c86b38c2ffaf/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