./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.08.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_d30709f1-1a52-456c-b7cc-bbda261687f6/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30709f1-1a52-456c-b7cc-bbda261687f6/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_d30709f1-1a52-456c-b7cc-bbda261687f6/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30709f1-1a52-456c-b7cc-bbda261687f6/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.08.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30709f1-1a52-456c-b7cc-bbda261687f6/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_d30709f1-1a52-456c-b7cc-bbda261687f6/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 5202e6cfdb0072b2d97423b078e60556fe6d43d8002548ceef037df7f02499eb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:32:07,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:32:07,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:32:07,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:32:07,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:32:07,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:32:07,785 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:32:07,788 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:32:07,791 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:32:07,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:32:07,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:32:07,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:32:07,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:32:07,797 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:32:07,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:32:07,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:32:07,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:32:07,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:32:07,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:32:07,817 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:32:07,824 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:32:07,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:32:07,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:32:07,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:32:07,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:32:07,842 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:32:07,843 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:32:07,845 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:32:07,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:32:07,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:32:07,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:32:07,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:32:07,858 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:32:07,859 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:32:07,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:32:07,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:32:07,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:32:07,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:32:07,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:32:07,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:32:07,865 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:32:07,866 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30709f1-1a52-456c-b7cc-bbda261687f6/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:32:07,893 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:32:07,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:32:07,895 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:32:07,895 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:32:07,896 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:32:07,896 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:32:07,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:32:07,897 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:32:07,897 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:32:07,897 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:32:07,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:32:07,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:32:07,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:32:07,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:32:07,899 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:32:07,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:32:07,899 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:32:07,899 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:32:07,900 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:32:07,900 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:32:07,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:32:07,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:32:07,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:32:07,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:32:07,901 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:32:07,902 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:32:07,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:32:07,902 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:32:07,902 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_d30709f1-1a52-456c-b7cc-bbda261687f6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30709f1-1a52-456c-b7cc-bbda261687f6/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5202e6cfdb0072b2d97423b078e60556fe6d43d8002548ceef037df7f02499eb [2021-11-23 15:32:08,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:32:08,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:32:08,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:32:08,189 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:32:08,190 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:32:08,192 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30709f1-1a52-456c-b7cc-bbda261687f6/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.08.cil-1.c [2021-11-23 15:32:08,268 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30709f1-1a52-456c-b7cc-bbda261687f6/bin/ukojak-CwSLpZB5Qu/data/b6d296f5d/071ffa6aa71c457c8696da97fe2eca8d/FLAGaace5fead [2021-11-23 15:32:08,875 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:32:08,876 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30709f1-1a52-456c-b7cc-bbda261687f6/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.08.cil-1.c [2021-11-23 15:32:08,893 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30709f1-1a52-456c-b7cc-bbda261687f6/bin/ukojak-CwSLpZB5Qu/data/b6d296f5d/071ffa6aa71c457c8696da97fe2eca8d/FLAGaace5fead [2021-11-23 15:32:09,132 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30709f1-1a52-456c-b7cc-bbda261687f6/bin/ukojak-CwSLpZB5Qu/data/b6d296f5d/071ffa6aa71c457c8696da97fe2eca8d [2021-11-23 15:32:09,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:32:09,136 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:32:09,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:32:09,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:32:09,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:32:09,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:32:09" (1/1) ... [2021-11-23 15:32:09,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@161cc46e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:09, skipping insertion in model container [2021-11-23 15:32:09,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:32:09" (1/1) ... [2021-11-23 15:32:09,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:32:09,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:32:09,428 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_d30709f1-1a52-456c-b7cc-bbda261687f6/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.08.cil-1.c[911,924] [2021-11-23 15:32:09,505 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_d30709f1-1a52-456c-b7cc-bbda261687f6/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.08.cil-1.c[8416,8429] [2021-11-23 15:32:09,630 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:32:09,648 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:32:09,663 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_d30709f1-1a52-456c-b7cc-bbda261687f6/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.08.cil-1.c[911,924] [2021-11-23 15:32:09,689 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_d30709f1-1a52-456c-b7cc-bbda261687f6/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.08.cil-1.c[8416,8429] [2021-11-23 15:32:09,759 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:32:09,785 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:32:09,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:09 WrapperNode [2021-11-23 15:32:09,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:32:09,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:32:09,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:32:09,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:32:09,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:09" (1/1) ... [2021-11-23 15:32:09,825 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:09" (1/1) ... [2021-11-23 15:32:09,896 INFO L137 Inliner]: procedures = 71, calls = 85, calls flagged for inlining = 40, calls inlined = 40, statements flattened = 846 [2021-11-23 15:32:09,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:32:09,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:32:09,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:32:09,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:32:09,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:09" (1/1) ... [2021-11-23 15:32:09,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:09" (1/1) ... [2021-11-23 15:32:09,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:09" (1/1) ... [2021-11-23 15:32:09,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:09" (1/1) ... [2021-11-23 15:32:09,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:09" (1/1) ... [2021-11-23 15:32:10,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:09" (1/1) ... [2021-11-23 15:32:10,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:09" (1/1) ... [2021-11-23 15:32:10,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:32:10,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:32:10,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:32:10,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:32:10,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:09" (1/1) ... [2021-11-23 15:32:10,034 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:32:10,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30709f1-1a52-456c-b7cc-bbda261687f6/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:32:10,066 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30709f1-1a52-456c-b7cc-bbda261687f6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:32:10,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30709f1-1a52-456c-b7cc-bbda261687f6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:32:10,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:32:10,110 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:32:10,110 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:32:10,110 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:32:10,110 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:32:10,110 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:32:10,111 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:32:10,111 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:32:10,111 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:32:10,111 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2021-11-23 15:32:10,111 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2021-11-23 15:32:10,112 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:32:10,112 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:32:10,112 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:32:10,112 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:32:10,112 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2021-11-23 15:32:10,112 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2021-11-23 15:32:10,113 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:32:10,113 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:32:10,113 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2021-11-23 15:32:10,113 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2021-11-23 15:32:10,113 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:32:10,113 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:32:10,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:32:10,114 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:32:10,114 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:32:10,114 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2021-11-23 15:32:10,114 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2021-11-23 15:32:10,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:32:10,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:32:10,115 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:32:10,115 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:32:10,243 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:32:10,248 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:32:10,965 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !(1 == ~q_free~0); [2021-11-23 15:32:10,966 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 2;~a_t~0 := do_read_c_~a~0#1; [2021-11-23 15:32:11,019 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:32:11,063 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 15:32:11,068 INFO L158 Benchmark]: Toolchain (without parser) took 1930.51ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 52.6MB in the beginning and 63.2MB in the end (delta: -10.6MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2021-11-23 15:32:11,068 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 90.2MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:32:11,069 INFO L158 Benchmark]: CACSL2BoogieTranslator took 648.24ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 52.3MB in the beginning and 75.3MB in the end (delta: -23.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:32:11,070 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.98ms. Allocated memory is still 111.1MB. Free memory was 75.3MB in the beginning and 71.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:32:11,071 INFO L158 Benchmark]: Boogie Preprocessor took 125.85ms. Allocated memory is still 111.1MB. Free memory was 71.1MB in the beginning and 67.3MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:32:11,072 INFO L158 Benchmark]: RCFGBuilder took 1039.91ms. Allocated memory is still 111.1MB. Free memory was 67.3MB in the beginning and 63.2MB in the end (delta: 4.1MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2021-11-23 15:32:11,076 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 90.2MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 648.24ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 52.3MB in the beginning and 75.3MB in the end (delta: -23.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.98ms. Allocated memory is still 111.1MB. Free memory was 75.3MB in the beginning and 71.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 125.85ms. Allocated memory is still 111.1MB. Free memory was 71.1MB in the beginning and 67.3MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1039.91ms. Allocated memory is still 111.1MB. Free memory was 67.3MB in the beginning and 63.2MB in the end (delta: 4.1MB). Peak memory consumption was 28.1MB. 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 15:32:11,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30709f1-1a52-456c-b7cc-bbda261687f6/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_d30709f1-1a52-456c-b7cc-bbda261687f6/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30709f1-1a52-456c-b7cc-bbda261687f6/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_d30709f1-1a52-456c-b7cc-bbda261687f6/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30709f1-1a52-456c-b7cc-bbda261687f6/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.08.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30709f1-1a52-456c-b7cc-bbda261687f6/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_d30709f1-1a52-456c-b7cc-bbda261687f6/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 5202e6cfdb0072b2d97423b078e60556fe6d43d8002548ceef037df7f02499eb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:32:13,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:32:13,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:32:13,616 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:32:13,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:32:13,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:32:13,623 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:32:13,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:32:13,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:32:13,637 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:32:13,640 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:32:13,642 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:32:13,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:32:13,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:32:13,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:32:13,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:32:13,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:32:13,653 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:32:13,655 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:32:13,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:32:13,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:32:13,666 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:32:13,668 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:32:13,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:32:13,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:32:13,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:32:13,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:32:13,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:32:13,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:32:13,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:32:13,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:32:13,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:32:13,688 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:32:13,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:32:13,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:32:13,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:32:13,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:32:13,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:32:13,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:32:13,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:32:13,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:32:13,696 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30709f1-1a52-456c-b7cc-bbda261687f6/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:32:13,737 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:32:13,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:32:13,739 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:32:13,739 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:32:13,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:32:13,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:32:13,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:32:13,741 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:32:13,741 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:32:13,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:32:13,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:32:13,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:32:13,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:32:13,744 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:32:13,744 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:32:13,744 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:32:13,744 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:32:13,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:32:13,745 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:32:13,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:32:13,745 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:32:13,745 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:32:13,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:32:13,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:32:13,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:32:13,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:32:13,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:32:13,747 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:32:13,747 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:32:13,747 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:32:13,748 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:32:13,748 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:32:13,748 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_d30709f1-1a52-456c-b7cc-bbda261687f6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30709f1-1a52-456c-b7cc-bbda261687f6/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5202e6cfdb0072b2d97423b078e60556fe6d43d8002548ceef037df7f02499eb [2021-11-23 15:32:14,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:32:14,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:32:14,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:32:14,232 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:32:14,232 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:32:14,236 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30709f1-1a52-456c-b7cc-bbda261687f6/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.08.cil-1.c [2021-11-23 15:32:14,305 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30709f1-1a52-456c-b7cc-bbda261687f6/bin/ukojak-CwSLpZB5Qu/data/ddb9086cf/7f432b5380e045448af6a8bf91548596/FLAG33393f107 [2021-11-23 15:32:14,912 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:32:14,912 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30709f1-1a52-456c-b7cc-bbda261687f6/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.08.cil-1.c [2021-11-23 15:32:14,945 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30709f1-1a52-456c-b7cc-bbda261687f6/bin/ukojak-CwSLpZB5Qu/data/ddb9086cf/7f432b5380e045448af6a8bf91548596/FLAG33393f107 [2021-11-23 15:32:15,210 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30709f1-1a52-456c-b7cc-bbda261687f6/bin/ukojak-CwSLpZB5Qu/data/ddb9086cf/7f432b5380e045448af6a8bf91548596 [2021-11-23 15:32:15,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:32:15,216 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:32:15,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:32:15,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:32:15,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:32:15,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:32:15" (1/1) ... [2021-11-23 15:32:15,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@503482ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:15, skipping insertion in model container [2021-11-23 15:32:15,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:32:15" (1/1) ... [2021-11-23 15:32:15,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:32:15,312 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:32:15,508 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_d30709f1-1a52-456c-b7cc-bbda261687f6/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.08.cil-1.c[911,924] [2021-11-23 15:32:15,619 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_d30709f1-1a52-456c-b7cc-bbda261687f6/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.08.cil-1.c[8416,8429] [2021-11-23 15:32:15,722 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:32:15,737 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:32:15,748 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_d30709f1-1a52-456c-b7cc-bbda261687f6/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.08.cil-1.c[911,924] [2021-11-23 15:32:15,770 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_d30709f1-1a52-456c-b7cc-bbda261687f6/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.08.cil-1.c[8416,8429] [2021-11-23 15:32:15,823 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:32:15,858 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:32:15,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:15 WrapperNode [2021-11-23 15:32:15,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:32:15,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:32:15,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:32:15,864 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:32:15,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:15" (1/1) ... [2021-11-23 15:32:15,892 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:15" (1/1) ... [2021-11-23 15:32:15,960 INFO L137 Inliner]: procedures = 72, calls = 85, calls flagged for inlining = 40, calls inlined = 40, statements flattened = 814 [2021-11-23 15:32:15,960 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:32:15,961 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:32:15,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:32:15,972 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:32:15,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:15" (1/1) ... [2021-11-23 15:32:15,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:15" (1/1) ... [2021-11-23 15:32:16,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:15" (1/1) ... [2021-11-23 15:32:16,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:15" (1/1) ... [2021-11-23 15:32:16,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:15" (1/1) ... [2021-11-23 15:32:16,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:15" (1/1) ... [2021-11-23 15:32:16,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:15" (1/1) ... [2021-11-23 15:32:16,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:32:16,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:32:16,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:32:16,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:32:16,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:15" (1/1) ... [2021-11-23 15:32:16,110 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:32:16,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30709f1-1a52-456c-b7cc-bbda261687f6/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:32:16,148 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30709f1-1a52-456c-b7cc-bbda261687f6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:32:16,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30709f1-1a52-456c-b7cc-bbda261687f6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:32:16,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:32:16,192 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:32:16,193 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:32:16,193 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:32:16,193 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:32:16,193 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:32:16,193 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:32:16,193 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:32:16,194 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:32:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2021-11-23 15:32:16,194 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2021-11-23 15:32:16,194 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:32:16,195 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:32:16,195 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:32:16,195 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:32:16,195 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2021-11-23 15:32:16,195 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2021-11-23 15:32:16,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:32:16,195 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:32:16,196 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:32:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2021-11-23 15:32:16,196 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2021-11-23 15:32:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:32:16,196 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:32:16,196 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:32:16,197 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:32:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2021-11-23 15:32:16,197 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2021-11-23 15:32:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:32:16,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:32:16,197 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:32:16,197 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:32:16,398 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:32:16,400 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:32:17,084 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !(1bv32 == ~q_free~0); [2021-11-23 15:32:17,084 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume 1bv32 == ~q_free~0;~c_dr_st~0 := 2bv32;~c_dr_pc~0 := 2bv32;~a_t~0 := do_read_c_~a~0#1; [2021-11-23 15:32:17,160 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:32:17,200 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 15:32:17,209 INFO L158 Benchmark]: Toolchain (without parser) took 1991.19ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 48.5MB in the beginning and 62.4MB in the end (delta: -13.8MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2021-11-23 15:32:17,210 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 67.1MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:32:17,211 INFO L158 Benchmark]: CACSL2BoogieTranslator took 639.64ms. Allocated memory is still 67.1MB. Free memory was 48.4MB in the beginning and 39.5MB in the end (delta: 8.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:32:17,212 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.06ms. Allocated memory is still 67.1MB. Free memory was 39.4MB in the beginning and 35.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:32:17,213 INFO L158 Benchmark]: Boogie Preprocessor took 139.69ms. Allocated memory is still 67.1MB. Free memory was 35.3MB in the beginning and 31.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:32:17,214 INFO L158 Benchmark]: RCFGBuilder took 1100.35ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 31.3MB in the beginning and 62.4MB in the end (delta: -31.1MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2021-11-23 15:32:17,222 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 67.1MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 639.64ms. Allocated memory is still 67.1MB. Free memory was 48.4MB in the beginning and 39.5MB in the end (delta: 8.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.06ms. Allocated memory is still 67.1MB. Free memory was 39.4MB in the beginning and 35.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 139.69ms. Allocated memory is still 67.1MB. Free memory was 35.3MB in the beginning and 31.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1100.35ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 31.3MB in the beginning and 62.4MB in the end (delta: -31.1MB). Peak memory consumption was 18.5MB. 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 15:32:17,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d30709f1-1a52-456c-b7cc-bbda261687f6/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