./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc64e8-2b07-4141-895e-dc403b05d006/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc64e8-2b07-4141-895e-dc403b05d006/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc64e8-2b07-4141-895e-dc403b05d006/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc64e8-2b07-4141-895e-dc403b05d006/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc64e8-2b07-4141-895e-dc403b05d006/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc64e8-2b07-4141-895e-dc403b05d006/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dda5467f7679a243042daf02aae11f74f39b907c2525dfc042cb8ad8b69dcfc9 --- 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-dbf71c6-m [2022-10-17 16:29:20,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:29:20,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:29:20,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:29:20,387 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:29:20,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:29:20,390 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:29:20,392 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:29:20,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:29:20,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:29:20,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:29:20,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:29:20,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:29:20,401 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:29:20,402 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:29:20,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:29:20,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:29:20,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:29:20,408 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:29:20,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:29:20,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:29:20,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:29:20,416 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:29:20,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:29:20,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:29:20,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:29:20,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:29:20,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:29:20,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:29:20,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:29:20,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:29:20,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:29:20,428 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:29:20,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:29:20,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:29:20,431 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:29:20,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:29:20,432 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:29:20,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:29:20,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:29:20,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:29:20,435 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc64e8-2b07-4141-895e-dc403b05d006/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:29:20,481 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:29:20,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:29:20,483 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:29:20,483 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:29:20,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:29:20,484 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:29:20,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:29:20,484 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:29:20,485 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:29:20,485 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:29:20,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:29:20,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:29:20,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:29:20,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:29:20,486 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:29:20,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:29:20,486 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:29:20,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:29:20,487 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:29:20,487 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:29:20,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:29:20,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:29:20,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:29:20,488 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:29:20,488 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:29:20,488 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:29:20,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:29:20,488 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:29:20,489 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_32dc64e8-2b07-4141-895e-dc403b05d006/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc64e8-2b07-4141-895e-dc403b05d006/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dda5467f7679a243042daf02aae11f74f39b907c2525dfc042cb8ad8b69dcfc9 [2022-10-17 16:29:20,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:29:20,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:29:20,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:29:20,763 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:29:20,764 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:29:20,765 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc64e8-2b07-4141-895e-dc403b05d006/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2022-10-17 16:29:20,826 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc64e8-2b07-4141-895e-dc403b05d006/bin/ukojak-92XMlrwhuB/data/f9e36a5d1/54fec5552df34c73b19bcc8b72281f2a/FLAG95e143008 [2022-10-17 16:29:21,394 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:29:21,394 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc64e8-2b07-4141-895e-dc403b05d006/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2022-10-17 16:29:21,418 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc64e8-2b07-4141-895e-dc403b05d006/bin/ukojak-92XMlrwhuB/data/f9e36a5d1/54fec5552df34c73b19bcc8b72281f2a/FLAG95e143008 [2022-10-17 16:29:21,630 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc64e8-2b07-4141-895e-dc403b05d006/bin/ukojak-92XMlrwhuB/data/f9e36a5d1/54fec5552df34c73b19bcc8b72281f2a [2022-10-17 16:29:21,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:29:21,632 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:29:21,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:29:21,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:29:21,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:29:21,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:29:21" (1/1) ... [2022-10-17 16:29:21,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48b08569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:21, skipping insertion in model container [2022-10-17 16:29:21,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:29:21" (1/1) ... [2022-10-17 16:29:21,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:29:21,727 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:29:22,332 WARN L230 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_32dc64e8-2b07-4141-895e-dc403b05d006/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i[47038,47051] [2022-10-17 16:29:22,353 WARN L1550 CHandler]: Possible shadowing of function new [2022-10-17 16:29:22,354 WARN L1550 CHandler]: Possible shadowing of function new [2022-10-17 16:29:22,354 WARN L1550 CHandler]: Possible shadowing of function new [2022-10-17 16:29:22,355 WARN L1550 CHandler]: Possible shadowing of function new [2022-10-17 16:29:22,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:29:22,407 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:29:22,440 WARN L230 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_32dc64e8-2b07-4141-895e-dc403b05d006/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i[47038,47051] [2022-10-17 16:29:22,444 WARN L1550 CHandler]: Possible shadowing of function new [2022-10-17 16:29:22,452 WARN L1550 CHandler]: Possible shadowing of function new [2022-10-17 16:29:22,453 WARN L1550 CHandler]: Possible shadowing of function new [2022-10-17 16:29:22,453 WARN L1550 CHandler]: Possible shadowing of function new [2022-10-17 16:29:22,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:29:22,543 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:29:22,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22 WrapperNode [2022-10-17 16:29:22,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:29:22,545 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:29:22,545 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:29:22,545 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:29:22,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,582 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,654 INFO L138 Inliner]: procedures = 278, calls = 51, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 184 [2022-10-17 16:29:22,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:29:22,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:29:22,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:29:22,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:29:22,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,736 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:29:22,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:29:22,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:29:22,760 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:29:22,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:22" (1/1) ... [2022-10-17 16:29:22,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:29:22,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc64e8-2b07-4141-895e-dc403b05d006/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:29:22,791 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc64e8-2b07-4141-895e-dc403b05d006/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:29:22,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc64e8-2b07-4141-895e-dc403b05d006/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:29:22,841 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:29:22,841 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:29:22,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:29:22,841 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-17 16:29:22,841 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-17 16:29:22,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:29:22,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:29:22,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:29:22,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:29:22,842 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-10-17 16:29:22,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:29:22,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:29:22,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:29:22,843 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-10-17 16:29:22,843 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-10-17 16:29:22,843 INFO L130 BoogieDeclarations]: Found specification of procedure lookup [2022-10-17 16:29:22,843 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup [2022-10-17 16:29:22,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:29:22,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:29:22,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:29:22,845 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:29:23,098 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:29:23,100 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:29:23,541 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:29:23,553 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:29:23,553 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-10-17 16:29:23,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:29:23 BoogieIcfgContainer [2022-10-17 16:29:23,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:29:23,557 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:29:23,557 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:29:23,569 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:29:23,569 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:29:23" (1/1) ... [2022-10-17 16:29:23,570 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) [2022-10-17 16:29:23,574 INFO L158 Benchmark]: Toolchain (without parser) took 1940.93ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 64.1MB in the beginning and 123.1MB in the end (delta: -59.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:29:23,575 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 109.1MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:29:23,576 INFO L158 Benchmark]: CACSL2BoogieTranslator took 906.84ms. Allocated memory is still 109.1MB. Free memory was 63.9MB in the beginning and 62.8MB in the end (delta: 1.1MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2022-10-17 16:29:23,576 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.18ms. Allocated memory is still 109.1MB. Free memory was 62.8MB in the beginning and 60.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:29:23,577 INFO L158 Benchmark]: Boogie Preprocessor took 93.33ms. Allocated memory is still 109.1MB. Free memory was 60.0MB in the beginning and 57.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:29:23,578 INFO L158 Benchmark]: RCFGBuilder took 801.69ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 57.5MB in the beginning and 123.7MB in the end (delta: -66.2MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2022-10-17 16:29:23,579 INFO L158 Benchmark]: CodeCheck took 15.37ms. Allocated memory is still 159.4MB. Free memory was 123.7MB in the beginning and 123.1MB in the end (delta: 657.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:29:23,583 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 0.21ms. Allocated memory is still 109.1MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 906.84ms. Allocated memory is still 109.1MB. Free memory was 63.9MB in the beginning and 62.8MB in the end (delta: 1.1MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.18ms. Allocated memory is still 109.1MB. Free memory was 62.8MB in the beginning and 60.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.33ms. Allocated memory is still 109.1MB. Free memory was 60.0MB in the beginning and 57.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 801.69ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 57.5MB in the beginning and 123.7MB in the end (delta: -66.2MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * CodeCheck took 15.37ms. Allocated memory is still 159.4MB. Free memory was 123.7MB in the beginning and 123.1MB in the end (delta: 657.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:29:23,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc64e8-2b07-4141-895e-dc403b05d006/bin/ukojak-92XMlrwhuB/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc64e8-2b07-4141-895e-dc403b05d006/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc64e8-2b07-4141-895e-dc403b05d006/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc64e8-2b07-4141-895e-dc403b05d006/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc64e8-2b07-4141-895e-dc403b05d006/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc64e8-2b07-4141-895e-dc403b05d006/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc64e8-2b07-4141-895e-dc403b05d006/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dda5467f7679a243042daf02aae11f74f39b907c2525dfc042cb8ad8b69dcfc9 --- 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-dbf71c6-m [2022-10-17 16:29:26,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:29:26,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:29:26,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:29:26,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:29:26,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:29:26,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:29:26,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:29:26,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:29:26,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:29:26,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:29:26,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:29:26,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:29:26,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:29:26,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:29:26,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:29:26,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:29:26,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:29:26,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:29:26,261 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:29:26,264 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:29:26,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:29:26,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:29:26,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:29:26,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:29:26,284 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:29:26,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:29:26,286 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:29:26,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:29:26,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:29:26,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:29:26,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:29:26,293 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:29:26,294 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:29:26,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:29:26,296 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:29:26,297 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:29:26,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:29:26,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:29:26,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:29:26,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:29:26,302 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc64e8-2b07-4141-895e-dc403b05d006/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:29:26,348 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:29:26,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:29:26,350 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:29:26,351 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:29:26,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:29:26,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:29:26,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:29:26,353 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:29:26,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:29:26,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:29:26,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:29:26,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:29:26,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:29:26,356 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:29:26,356 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:29:26,356 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:29:26,356 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:29:26,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:29:26,357 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:29:26,357 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:29:26,358 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:29:26,358 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:29:26,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:29:26,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:29:26,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:29:26,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:29:26,359 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:29:26,359 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:29:26,360 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:29:26,360 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:29:26,360 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:29:26,360 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:29:26,361 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_32dc64e8-2b07-4141-895e-dc403b05d006/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc64e8-2b07-4141-895e-dc403b05d006/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dda5467f7679a243042daf02aae11f74f39b907c2525dfc042cb8ad8b69dcfc9 [2022-10-17 16:29:26,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:29:26,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:29:26,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:29:26,789 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:29:26,793 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:29:26,794 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc64e8-2b07-4141-895e-dc403b05d006/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2022-10-17 16:29:26,869 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc64e8-2b07-4141-895e-dc403b05d006/bin/ukojak-92XMlrwhuB/data/84c85f916/db60c41e1ef5471d9b81346df9524a53/FLAG9c30a3a88 [2022-10-17 16:29:27,586 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:29:27,587 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc64e8-2b07-4141-895e-dc403b05d006/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i [2022-10-17 16:29:27,622 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc64e8-2b07-4141-895e-dc403b05d006/bin/ukojak-92XMlrwhuB/data/84c85f916/db60c41e1ef5471d9b81346df9524a53/FLAG9c30a3a88 [2022-10-17 16:29:27,874 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc64e8-2b07-4141-895e-dc403b05d006/bin/ukojak-92XMlrwhuB/data/84c85f916/db60c41e1ef5471d9b81346df9524a53 [2022-10-17 16:29:27,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:29:27,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:29:27,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:29:27,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:29:27,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:29:27,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:29:27" (1/1) ... [2022-10-17 16:29:27,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e3666a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:27, skipping insertion in model container [2022-10-17 16:29:27,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:29:27" (1/1) ... [2022-10-17 16:29:27,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:29:27,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:29:28,460 WARN L230 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_32dc64e8-2b07-4141-895e-dc403b05d006/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i[47038,47051] [2022-10-17 16:29:28,486 WARN L1550 CHandler]: Possible shadowing of function new [2022-10-17 16:29:28,487 WARN L1550 CHandler]: Possible shadowing of function new [2022-10-17 16:29:28,488 WARN L1550 CHandler]: Possible shadowing of function new [2022-10-17 16:29:28,489 WARN L1550 CHandler]: Possible shadowing of function new [2022-10-17 16:29:28,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:29:28,569 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-10-17 16:29:28,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:29:28,632 WARN L230 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_32dc64e8-2b07-4141-895e-dc403b05d006/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i[47038,47051] [2022-10-17 16:29:28,636 WARN L1550 CHandler]: Possible shadowing of function new [2022-10-17 16:29:28,636 WARN L1550 CHandler]: Possible shadowing of function new [2022-10-17 16:29:28,637 WARN L1550 CHandler]: Possible shadowing of function new [2022-10-17 16:29:28,637 WARN L1550 CHandler]: Possible shadowing of function new [2022-10-17 16:29:28,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:29:28,661 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:29:28,706 WARN L230 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_32dc64e8-2b07-4141-895e-dc403b05d006/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i[47038,47051] [2022-10-17 16:29:28,710 WARN L1550 CHandler]: Possible shadowing of function new [2022-10-17 16:29:28,710 WARN L1550 CHandler]: Possible shadowing of function new [2022-10-17 16:29:28,710 WARN L1550 CHandler]: Possible shadowing of function new [2022-10-17 16:29:28,711 WARN L1550 CHandler]: Possible shadowing of function new [2022-10-17 16:29:28,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:29:28,809 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:29:28,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:28 WrapperNode [2022-10-17 16:29:28,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:29:28,811 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:29:28,812 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:29:28,812 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:29:28,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:28" (1/1) ... [2022-10-17 16:29:28,848 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:28" (1/1) ... [2022-10-17 16:29:28,878 INFO L138 Inliner]: procedures = 282, calls = 51, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 183 [2022-10-17 16:29:28,879 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:29:28,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:29:28,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:29:28,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:29:28,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:28" (1/1) ... [2022-10-17 16:29:28,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:28" (1/1) ... [2022-10-17 16:29:28,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:28" (1/1) ... [2022-10-17 16:29:28,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:28" (1/1) ... [2022-10-17 16:29:28,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:28" (1/1) ... [2022-10-17 16:29:28,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:28" (1/1) ... [2022-10-17 16:29:28,922 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:28" (1/1) ... [2022-10-17 16:29:28,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:28" (1/1) ... [2022-10-17 16:29:28,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:29:28,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:29:28,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:29:28,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:29:28,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:28" (1/1) ... [2022-10-17 16:29:28,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:29:28,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc64e8-2b07-4141-895e-dc403b05d006/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:29:28,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc64e8-2b07-4141-895e-dc403b05d006/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:29:28,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc64e8-2b07-4141-895e-dc403b05d006/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:29:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 16:29:29,027 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:29:29,027 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:29:29,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:29:29,027 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-17 16:29:29,027 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-17 16:29:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:29:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:29:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:29:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:29:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-10-17 16:29:29,028 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-10-17 16:29:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:29:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:29:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:29:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-10-17 16:29:29,029 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-10-17 16:29:29,029 INFO L130 BoogieDeclarations]: Found specification of procedure lookup [2022-10-17 16:29:29,030 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup [2022-10-17 16:29:29,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:29:29,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:29:29,032 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:29:29,217 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:29:29,220 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:29:29,766 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:29:29,776 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:29:29,777 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-10-17 16:29:29,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:29:29 BoogieIcfgContainer [2022-10-17 16:29:29,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:29:29,781 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:29:29,781 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:29:29,791 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:29:29,791 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:29:29" (1/1) ... [2022-10-17 16:29:29,792 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) [2022-10-17 16:29:29,795 INFO L158 Benchmark]: Toolchain (without parser) took 1915.08ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 43.5MB in the beginning and 53.1MB in the end (delta: -9.6MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2022-10-17 16:29:29,796 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 67.1MB. Free memory was 46.5MB in the beginning and 46.4MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:29:29,797 INFO L158 Benchmark]: CACSL2BoogieTranslator took 928.62ms. Allocated memory is still 67.1MB. Free memory was 43.3MB in the beginning and 42.4MB in the end (delta: 848.9kB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2022-10-17 16:29:29,798 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.46ms. Allocated memory is still 67.1MB. Free memory was 42.4MB in the beginning and 39.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:29:29,798 INFO L158 Benchmark]: Boogie Preprocessor took 51.00ms. Allocated memory is still 67.1MB. Free memory was 39.3MB in the beginning and 36.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:29:29,799 INFO L158 Benchmark]: RCFGBuilder took 848.66ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 36.5MB in the beginning and 54.4MB in the end (delta: -17.8MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2022-10-17 16:29:29,800 INFO L158 Benchmark]: CodeCheck took 13.04ms. Allocated memory is still 94.4MB. Free memory was 54.4MB in the beginning and 53.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:29:29,803 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 0.24ms. Allocated memory is still 67.1MB. Free memory was 46.5MB in the beginning and 46.4MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 928.62ms. Allocated memory is still 67.1MB. Free memory was 43.3MB in the beginning and 42.4MB in the end (delta: 848.9kB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.46ms. Allocated memory is still 67.1MB. Free memory was 42.4MB in the beginning and 39.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.00ms. Allocated memory is still 67.1MB. Free memory was 39.3MB in the beginning and 36.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 848.66ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 36.5MB in the beginning and 54.4MB in the end (delta: -17.8MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * CodeCheck took 13.04ms. Allocated memory is still 94.4MB. Free memory was 54.4MB in the beginning and 53.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:29:29,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32dc64e8-2b07-4141-895e-dc403b05d006/bin/ukojak-92XMlrwhuB/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