./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.05.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e747ab8-2214-441f-ae46-6909140f4fdd/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e747ab8-2214-441f-ae46-6909140f4fdd/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e747ab8-2214-441f-ae46-6909140f4fdd/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e747ab8-2214-441f-ae46-6909140f4fdd/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.05.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e747ab8-2214-441f-ae46-6909140f4fdd/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e747ab8-2214-441f-ae46-6909140f4fdd/bin/ukojak-CwSLpZB5Qu --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 2b9ed7c85c1e945b329b46ea2facde1ef0195f46b3e9e9585453dabdeb816de5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:50:33,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:50:33,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:50:33,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:50:33,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:50:33,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:50:33,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:50:33,879 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:50:33,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:50:33,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:50:33,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:50:33,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:50:33,887 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:50:33,889 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:50:33,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:50:33,892 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:50:33,894 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:50:33,895 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:50:33,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:50:33,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:50:33,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:50:33,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:50:33,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:50:33,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:50:33,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:50:33,914 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:50:33,914 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:50:33,915 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:50:33,916 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:50:33,918 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:50:33,918 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:50:33,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:50:33,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:50:33,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:50:33,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:50:33,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:50:33,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:50:33,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:50:33,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:50:33,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:50:33,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:50:33,928 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e747ab8-2214-441f-ae46-6909140f4fdd/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:50:33,953 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:50:33,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:50:33,954 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:50:33,955 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:50:33,956 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:50:33,956 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:50:33,956 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:50:33,957 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:50:33,957 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:50:33,958 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:50:33,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:50:33,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:50:33,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:50:33,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:50:33,960 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:50:33,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:50:33,960 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:50:33,961 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:50:33,961 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:50:33,961 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:50:33,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:50:33,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:33,962 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:50:33,962 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:50:33,963 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:50:33,963 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:50:33,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:50:33,963 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:50:33,964 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_4e747ab8-2214-441f-ae46-6909140f4fdd/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e747ab8-2214-441f-ae46-6909140f4fdd/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b9ed7c85c1e945b329b46ea2facde1ef0195f46b3e9e9585453dabdeb816de5 [2021-11-23 15:50:34,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:50:34,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:50:34,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:50:34,269 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:50:34,270 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:50:34,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e747ab8-2214-441f-ae46-6909140f4fdd/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.05.cil-1.c [2021-11-23 15:50:34,347 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e747ab8-2214-441f-ae46-6909140f4fdd/bin/ukojak-CwSLpZB5Qu/data/3a4aefb82/d7162d2439174066ae27bf5f7322bff4/FLAG7a6802e4b [2021-11-23 15:50:34,901 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:50:34,902 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e747ab8-2214-441f-ae46-6909140f4fdd/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.05.cil-1.c [2021-11-23 15:50:34,931 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e747ab8-2214-441f-ae46-6909140f4fdd/bin/ukojak-CwSLpZB5Qu/data/3a4aefb82/d7162d2439174066ae27bf5f7322bff4/FLAG7a6802e4b [2021-11-23 15:50:35,207 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e747ab8-2214-441f-ae46-6909140f4fdd/bin/ukojak-CwSLpZB5Qu/data/3a4aefb82/d7162d2439174066ae27bf5f7322bff4 [2021-11-23 15:50:35,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:50:35,213 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:50:35,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:35,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:50:35,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:50:35,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:35" (1/1) ... [2021-11-23 15:50:35,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61553d85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:35, skipping insertion in model container [2021-11-23 15:50:35,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:35" (1/1) ... [2021-11-23 15:50:35,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:50:35,275 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:50:35,437 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_4e747ab8-2214-441f-ae46-6909140f4fdd/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.05.cil-1.c[911,924] [2021-11-23 15:50:35,505 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_4e747ab8-2214-441f-ae46-6909140f4fdd/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.05.cil-1.c[8416,8429] [2021-11-23 15:50:35,583 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:35,594 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:50:35,616 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_4e747ab8-2214-441f-ae46-6909140f4fdd/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.05.cil-1.c[911,924] [2021-11-23 15:50:35,668 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_4e747ab8-2214-441f-ae46-6909140f4fdd/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.05.cil-1.c[8416,8429] [2021-11-23 15:50:35,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:35,766 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:50:35,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:35 WrapperNode [2021-11-23 15:50:35,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:35,769 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:35,769 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:50:35,770 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:50:35,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:35" (1/1) ... [2021-11-23 15:50:35,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:35" (1/1) ... [2021-11-23 15:50:35,842 INFO L137 Inliner]: procedures = 65, calls = 76, calls flagged for inlining = 34, calls inlined = 34, statements flattened = 672 [2021-11-23 15:50:35,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:35,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:50:35,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:50:35,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:50:35,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:35" (1/1) ... [2021-11-23 15:50:35,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:35" (1/1) ... [2021-11-23 15:50:35,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:35" (1/1) ... [2021-11-23 15:50:35,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:35" (1/1) ... [2021-11-23 15:50:35,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:35" (1/1) ... [2021-11-23 15:50:35,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:35" (1/1) ... [2021-11-23 15:50:35,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:35" (1/1) ... [2021-11-23 15:50:35,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:50:35,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:50:35,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:50:35,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:50:35,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:35" (1/1) ... [2021-11-23 15:50:35,952 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:35,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e747ab8-2214-441f-ae46-6909140f4fdd/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:50:35,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e747ab8-2214-441f-ae46-6909140f4fdd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:50:35,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e747ab8-2214-441f-ae46-6909140f4fdd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:50:36,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:50:36,020 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:50:36,020 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:50:36,021 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:50:36,021 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:50:36,021 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:50:36,021 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:50:36,021 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:50:36,022 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:50:36,022 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2021-11-23 15:50:36,022 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2021-11-23 15:50:36,022 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:50:36,022 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:50:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:50:36,023 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:50:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2021-11-23 15:50:36,023 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2021-11-23 15:50:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:50:36,023 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:50:36,024 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2021-11-23 15:50:36,024 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2021-11-23 15:50:36,024 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:50:36,024 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:50:36,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:50:36,024 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:50:36,025 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:50:36,025 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2021-11-23 15:50:36,025 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2021-11-23 15:50:36,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:50:36,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:50:36,025 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:50:36,025 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:50:36,126 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:50:36,128 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:50:36,763 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !(1 == ~q_free~0); [2021-11-23 15:50:36,764 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 2;~a_t~0 := do_read_c_~a~0#1; [2021-11-23 15:50:36,848 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:50:36,932 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2021-11-23 15:50:36,943 INFO L158 Benchmark]: Toolchain (without parser) took 1726.90ms. Allocated memory was 98.6MB in the beginning and 136.3MB in the end (delta: 37.7MB). Free memory was 61.0MB in the beginning and 92.6MB in the end (delta: -31.5MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2021-11-23 15:50:36,943 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 98.6MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:50:36,945 INFO L158 Benchmark]: CACSL2BoogieTranslator took 548.50ms. Allocated memory is still 98.6MB. Free memory was 60.8MB in the beginning and 65.9MB in the end (delta: -5.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:50:36,947 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.04ms. Allocated memory is still 98.6MB. Free memory was 65.9MB in the beginning and 62.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:50:36,949 INFO L158 Benchmark]: Boogie Preprocessor took 80.41ms. Allocated memory is still 98.6MB. Free memory was 62.2MB in the beginning and 59.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:50:36,950 INFO L158 Benchmark]: RCFGBuilder took 1014.63ms. Allocated memory was 98.6MB in the beginning and 136.3MB in the end (delta: 37.7MB). Free memory was 59.1MB in the beginning and 92.6MB in the end (delta: -33.4MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2021-11-23 15:50:36,959 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 98.6MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 548.50ms. Allocated memory is still 98.6MB. Free memory was 60.8MB in the beginning and 65.9MB in the end (delta: -5.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.04ms. Allocated memory is still 98.6MB. Free memory was 65.9MB in the beginning and 62.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.41ms. Allocated memory is still 98.6MB. Free memory was 62.2MB in the beginning and 59.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1014.63ms. Allocated memory was 98.6MB in the beginning and 136.3MB in the end (delta: 37.7MB). Free memory was 59.1MB in the beginning and 92.6MB in the end (delta: -33.4MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:50:37,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e747ab8-2214-441f-ae46-6909140f4fdd/bin/ukojak-CwSLpZB5Qu/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_4e747ab8-2214-441f-ae46-6909140f4fdd/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e747ab8-2214-441f-ae46-6909140f4fdd/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e747ab8-2214-441f-ae46-6909140f4fdd/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e747ab8-2214-441f-ae46-6909140f4fdd/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.05.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e747ab8-2214-441f-ae46-6909140f4fdd/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e747ab8-2214-441f-ae46-6909140f4fdd/bin/ukojak-CwSLpZB5Qu --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 2b9ed7c85c1e945b329b46ea2facde1ef0195f46b3e9e9585453dabdeb816de5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:50:39,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:50:39,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:50:39,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:50:39,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:50:39,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:50:39,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:50:39,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:50:39,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:50:39,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:50:39,571 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:50:39,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:50:39,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:50:39,575 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:50:39,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:50:39,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:50:39,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:50:39,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:50:39,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:50:39,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:50:39,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:50:39,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:50:39,600 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:50:39,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:50:39,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:50:39,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:50:39,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:50:39,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:50:39,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:50:39,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:50:39,616 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:50:39,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:50:39,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:50:39,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:50:39,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:50:39,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:50:39,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:50:39,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:50:39,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:50:39,625 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:50:39,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:50:39,627 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e747ab8-2214-441f-ae46-6909140f4fdd/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:50:39,668 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:50:39,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:50:39,670 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:50:39,670 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:50:39,672 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:50:39,672 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:50:39,672 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:50:39,673 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:50:39,673 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:50:39,673 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:50:39,674 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:50:39,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:50:39,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:50:39,675 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:50:39,676 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:50:39,676 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:50:39,676 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:50:39,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:50:39,677 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:50:39,677 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:50:39,677 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:50:39,678 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:50:39,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:50:39,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:39,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:50:39,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:50:39,679 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:50:39,679 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:50:39,679 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:50:39,680 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:50:39,680 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:50:39,680 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:50:39,681 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_4e747ab8-2214-441f-ae46-6909140f4fdd/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e747ab8-2214-441f-ae46-6909140f4fdd/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b9ed7c85c1e945b329b46ea2facde1ef0195f46b3e9e9585453dabdeb816de5 [2021-11-23 15:50:40,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:50:40,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:50:40,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:50:40,132 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:50:40,132 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:50:40,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e747ab8-2214-441f-ae46-6909140f4fdd/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.05.cil-1.c [2021-11-23 15:50:40,217 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e747ab8-2214-441f-ae46-6909140f4fdd/bin/ukojak-CwSLpZB5Qu/data/86d869eed/d5968ba9219345be811668a5d0e17a16/FLAG11569f44c [2021-11-23 15:50:40,813 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:50:40,814 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e747ab8-2214-441f-ae46-6909140f4fdd/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.05.cil-1.c [2021-11-23 15:50:40,830 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e747ab8-2214-441f-ae46-6909140f4fdd/bin/ukojak-CwSLpZB5Qu/data/86d869eed/d5968ba9219345be811668a5d0e17a16/FLAG11569f44c [2021-11-23 15:50:41,140 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e747ab8-2214-441f-ae46-6909140f4fdd/bin/ukojak-CwSLpZB5Qu/data/86d869eed/d5968ba9219345be811668a5d0e17a16 [2021-11-23 15:50:41,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:50:41,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:50:41,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:41,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:50:41,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:50:41,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:41" (1/1) ... [2021-11-23 15:50:41,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ef41c64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:41, skipping insertion in model container [2021-11-23 15:50:41,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:41" (1/1) ... [2021-11-23 15:50:41,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:50:41,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:50:41,403 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_4e747ab8-2214-441f-ae46-6909140f4fdd/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.05.cil-1.c[911,924] [2021-11-23 15:50:41,494 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_4e747ab8-2214-441f-ae46-6909140f4fdd/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.05.cil-1.c[8416,8429] [2021-11-23 15:50:41,577 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:41,594 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:50:41,608 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_4e747ab8-2214-441f-ae46-6909140f4fdd/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.05.cil-1.c[911,924] [2021-11-23 15:50:41,633 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_4e747ab8-2214-441f-ae46-6909140f4fdd/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.05.cil-1.c[8416,8429] [2021-11-23 15:50:41,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:41,697 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:50:41,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:41 WrapperNode [2021-11-23 15:50:41,698 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:41,699 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:41,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:50:41,700 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:50:41,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:41" (1/1) ... [2021-11-23 15:50:41,741 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:41" (1/1) ... [2021-11-23 15:50:41,804 INFO L137 Inliner]: procedures = 66, calls = 76, calls flagged for inlining = 34, calls inlined = 34, statements flattened = 646 [2021-11-23 15:50:41,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:41,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:50:41,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:50:41,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:50:41,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:41" (1/1) ... [2021-11-23 15:50:41,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:41" (1/1) ... [2021-11-23 15:50:41,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:41" (1/1) ... [2021-11-23 15:50:41,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:41" (1/1) ... [2021-11-23 15:50:41,886 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:41" (1/1) ... [2021-11-23 15:50:41,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:41" (1/1) ... [2021-11-23 15:50:41,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:41" (1/1) ... [2021-11-23 15:50:41,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:50:41,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:50:41,915 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:50:41,915 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:50:41,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:41" (1/1) ... [2021-11-23 15:50:41,923 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:41,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e747ab8-2214-441f-ae46-6909140f4fdd/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:50:41,959 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e747ab8-2214-441f-ae46-6909140f4fdd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:50:41,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e747ab8-2214-441f-ae46-6909140f4fdd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:50:42,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:50:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:50:42,014 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:50:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:50:42,014 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:50:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:50:42,015 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:50:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:50:42,015 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:50:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2021-11-23 15:50:42,016 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2021-11-23 15:50:42,016 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:50:42,016 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:50:42,016 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:50:42,016 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:50:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2021-11-23 15:50:42,017 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2021-11-23 15:50:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:50:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:50:42,017 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:50:42,018 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2021-11-23 15:50:42,018 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2021-11-23 15:50:42,018 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:50:42,018 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:50:42,018 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:50:42,019 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:50:42,019 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2021-11-23 15:50:42,019 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2021-11-23 15:50:42,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:50:42,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:50:42,020 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:50:42,020 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:50:42,138 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:50:42,140 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:50:43,040 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !(1bv32 == ~q_free~0); [2021-11-23 15:50:43,040 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume 1bv32 == ~q_free~0;~c_dr_st~0 := 2bv32;~c_dr_pc~0 := 2bv32;~a_t~0 := do_read_c_~a~0#1; [2021-11-23 15:50:43,099 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:50:43,136 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2021-11-23 15:50:43,140 INFO L158 Benchmark]: Toolchain (without parser) took 1994.43ms. Allocated memory is still 79.7MB. Free memory was 44.6MB in the beginning and 38.6MB in the end (delta: 6.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:50:43,140 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 79.7MB. Free memory was 61.9MB in the beginning and 61.8MB in the end (delta: 69.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:50:43,141 INFO L158 Benchmark]: CACSL2BoogieTranslator took 552.30ms. Allocated memory is still 79.7MB. Free memory was 44.5MB in the beginning and 55.1MB in the end (delta: -10.6MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2021-11-23 15:50:43,142 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.38ms. Allocated memory is still 79.7MB. Free memory was 54.9MB in the beginning and 51.5MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:50:43,143 INFO L158 Benchmark]: Boogie Preprocessor took 108.42ms. Allocated memory is still 79.7MB. Free memory was 51.5MB in the beginning and 48.2MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:50:43,144 INFO L158 Benchmark]: RCFGBuilder took 1223.54ms. Allocated memory is still 79.7MB. Free memory was 48.2MB in the beginning and 38.6MB in the end (delta: 9.6MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2021-11-23 15:50:43,148 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 79.7MB. Free memory was 61.9MB in the beginning and 61.8MB in the end (delta: 69.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 552.30ms. Allocated memory is still 79.7MB. Free memory was 44.5MB in the beginning and 55.1MB in the end (delta: -10.6MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.38ms. Allocated memory is still 79.7MB. Free memory was 54.9MB in the beginning and 51.5MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 108.42ms. Allocated memory is still 79.7MB. Free memory was 51.5MB in the beginning and 48.2MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1223.54ms. Allocated memory is still 79.7MB. Free memory was 48.2MB in the beginning and 38.6MB in the end (delta: 9.6MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:50:43,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e747ab8-2214-441f-ae46-6909140f4fdd/bin/ukojak-CwSLpZB5Qu/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: Set is immutable