./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/systemc/token_ring.03.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_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/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_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/systemc/token_ring.03.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/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_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/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 e96a4dadf08c19b3d92d901d7f9116f0323f4fb1660ac2537112df0afe321751 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:48:46,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:48:46,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:48:46,677 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:48:46,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:48:46,679 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:48:46,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:48:46,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:48:46,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:48:46,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:48:46,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:48:46,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:48:46,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:48:46,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:48:46,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:48:46,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:48:46,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:48:46,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:48:46,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:48:46,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:48:46,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:48:46,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:48:46,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:48:46,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:48:46,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:48:46,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:48:46,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:48:46,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:48:46,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:48:46,759 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:48:46,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:48:46,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:48:46,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:48:46,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:48:46,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:48:46,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:48:46,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:48:46,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:48:46,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:48:46,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:48:46,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:48:46,774 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:48:46,829 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:48:46,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:48:46,831 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:48:46,831 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:48:46,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:48:46,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:48:46,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:48:46,833 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:48:46,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:48:46,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:48:46,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:48:46,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:48:46,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:48:46,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:48:46,843 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:48:46,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:48:46,844 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:48:46,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:48:46,844 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:48:46,845 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:48:46,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:48:46,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:48:46,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:48:46,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:48:46,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:48:46,846 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:48:46,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:48:46,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:48:46,847 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_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e96a4dadf08c19b3d92d901d7f9116f0323f4fb1660ac2537112df0afe321751 [2021-11-23 15:48:47,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:48:47,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:48:47,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:48:47,239 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:48:47,241 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:48:47,243 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/systemc/token_ring.03.cil-1.c [2021-11-23 15:48:47,339 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/bin/ukojak-CwSLpZB5Qu/data/bff12ec6d/61549a2597b04461a7f77345207813d2/FLAGfa679eb25 [2021-11-23 15:48:48,043 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:48:48,044 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/sv-benchmarks/c/systemc/token_ring.03.cil-1.c [2021-11-23 15:48:48,056 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/bin/ukojak-CwSLpZB5Qu/data/bff12ec6d/61549a2597b04461a7f77345207813d2/FLAGfa679eb25 [2021-11-23 15:48:48,350 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/bin/ukojak-CwSLpZB5Qu/data/bff12ec6d/61549a2597b04461a7f77345207813d2 [2021-11-23 15:48:48,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:48:48,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:48:48,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:48:48,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:48:48,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:48:48,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:48" (1/1) ... [2021-11-23 15:48:48,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@729ed917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:48, skipping insertion in model container [2021-11-23 15:48:48,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:48" (1/1) ... [2021-11-23 15:48:48,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:48:48,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:48:48,782 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_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/sv-benchmarks/c/systemc/token_ring.03.cil-1.c[671,684] [2021-11-23 15:48:48,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:48,945 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:48:48,964 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_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/sv-benchmarks/c/systemc/token_ring.03.cil-1.c[671,684] [2021-11-23 15:48:49,042 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:49,073 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:48:49,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:49 WrapperNode [2021-11-23 15:48:49,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:48:49,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:48:49,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:48:49,076 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:48:49,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:49" (1/1) ... [2021-11-23 15:48:49,116 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:49" (1/1) ... [2021-11-23 15:48:49,159 INFO L137 Inliner]: procedures = 34, calls = 41, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 336 [2021-11-23 15:48:49,159 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:48:49,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:48:49,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:48:49,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:48:49,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:49" (1/1) ... [2021-11-23 15:48:49,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:49" (1/1) ... [2021-11-23 15:48:49,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:49" (1/1) ... [2021-11-23 15:48:49,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:49" (1/1) ... [2021-11-23 15:48:49,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:49" (1/1) ... [2021-11-23 15:48:49,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:49" (1/1) ... [2021-11-23 15:48:49,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:49" (1/1) ... [2021-11-23 15:48:49,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:48:49,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:48:49,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:48:49,205 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:48:49,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:49" (1/1) ... [2021-11-23 15:48:49,216 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:48:49,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:48:49,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:48:49,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:48:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:48:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-23 15:48:49,325 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-23 15:48:49,328 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2021-11-23 15:48:49,328 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2021-11-23 15:48:49,329 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2021-11-23 15:48:49,329 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2021-11-23 15:48:49,329 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:48:49,329 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:48:49,329 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-11-23 15:48:49,330 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-11-23 15:48:49,330 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2021-11-23 15:48:49,330 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2021-11-23 15:48:49,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:48:49,331 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2021-11-23 15:48:49,332 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2021-11-23 15:48:49,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:48:49,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:48:49,472 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:48:49,474 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:48:50,114 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:48:50,194 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 15:48:50,201 INFO L158 Benchmark]: Toolchain (without parser) took 1844.13ms. Allocated memory was 92.3MB in the beginning and 130.0MB in the end (delta: 37.7MB). Free memory was 56.2MB in the beginning and 74.8MB in the end (delta: -18.6MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2021-11-23 15:48:50,202 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 92.3MB. Free memory was 63.0MB in the beginning and 62.9MB in the end (delta: 27.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:48:50,204 INFO L158 Benchmark]: CACSL2BoogieTranslator took 718.54ms. Allocated memory was 92.3MB in the beginning and 130.0MB in the end (delta: 37.7MB). Free memory was 56.0MB in the beginning and 100.9MB in the end (delta: -44.9MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2021-11-23 15:48:50,206 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.98ms. Allocated memory is still 130.0MB. Free memory was 100.9MB in the beginning and 98.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:48:50,207 INFO L158 Benchmark]: Boogie Preprocessor took 43.58ms. Allocated memory is still 130.0MB. Free memory was 98.6MB in the beginning and 96.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:48:50,208 INFO L158 Benchmark]: RCFGBuilder took 992.56ms. Allocated memory is still 130.0MB. Free memory was 96.7MB in the beginning and 74.8MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 15:48:50,217 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 92.3MB. Free memory was 63.0MB in the beginning and 62.9MB in the end (delta: 27.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 718.54ms. Allocated memory was 92.3MB in the beginning and 130.0MB in the end (delta: 37.7MB). Free memory was 56.0MB in the beginning and 100.9MB in the end (delta: -44.9MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.98ms. Allocated memory is still 130.0MB. Free memory was 100.9MB in the beginning and 98.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.58ms. Allocated memory is still 130.0MB. Free memory was 98.6MB in the beginning and 96.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 992.56ms. Allocated memory is still 130.0MB. Free memory was 96.7MB in the beginning and 74.8MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. 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 15:48:50,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/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_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/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_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/systemc/token_ring.03.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/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_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/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 e96a4dadf08c19b3d92d901d7f9116f0323f4fb1660ac2537112df0afe321751 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:48:53,156 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:48:53,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:48:53,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:48:53,214 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:48:53,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:48:53,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:48:53,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:48:53,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:48:53,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:48:53,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:48:53,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:48:53,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:48:53,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:48:53,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:48:53,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:48:53,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:48:53,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:48:53,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:48:53,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:48:53,276 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:48:53,277 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:48:53,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:48:53,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:48:53,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:48:53,294 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:48:53,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:48:53,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:48:53,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:48:53,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:48:53,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:48:53,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:48:53,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:48:53,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:48:53,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:48:53,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:48:53,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:48:53,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:48:53,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:48:53,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:48:53,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:48:53,315 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:48:53,367 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:48:53,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:48:53,369 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:48:53,369 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:48:53,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:48:53,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:48:53,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:48:53,372 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:48:53,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:48:53,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:48:53,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:48:53,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:48:53,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:48:53,375 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:48:53,375 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:48:53,376 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:48:53,376 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:48:53,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:48:53,377 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:48:53,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:48:53,377 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:48:53,378 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:48:53,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:48:53,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:48:53,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:48:53,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:48:53,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:48:53,379 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:48:53,380 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:48:53,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:48:53,380 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:48:53,380 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:48:53,381 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_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e96a4dadf08c19b3d92d901d7f9116f0323f4fb1660ac2537112df0afe321751 [2021-11-23 15:48:53,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:48:53,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:48:53,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:48:53,882 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:48:53,883 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:48:53,884 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/systemc/token_ring.03.cil-1.c [2021-11-23 15:48:53,975 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/bin/ukojak-CwSLpZB5Qu/data/8805d9b78/f73449204bdc42e3b6139d4c9ec4752c/FLAG289abcbf7 [2021-11-23 15:48:54,622 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:48:54,627 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/sv-benchmarks/c/systemc/token_ring.03.cil-1.c [2021-11-23 15:48:54,647 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/bin/ukojak-CwSLpZB5Qu/data/8805d9b78/f73449204bdc42e3b6139d4c9ec4752c/FLAG289abcbf7 [2021-11-23 15:48:54,946 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/bin/ukojak-CwSLpZB5Qu/data/8805d9b78/f73449204bdc42e3b6139d4c9ec4752c [2021-11-23 15:48:54,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:48:54,953 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:48:54,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:48:54,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:48:54,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:48:54,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:54" (1/1) ... [2021-11-23 15:48:54,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ee9c642 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:54, skipping insertion in model container [2021-11-23 15:48:54,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:54" (1/1) ... [2021-11-23 15:48:54,976 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:48:55,042 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:48:55,266 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_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/sv-benchmarks/c/systemc/token_ring.03.cil-1.c[671,684] [2021-11-23 15:48:55,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:55,452 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:48:55,478 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_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/sv-benchmarks/c/systemc/token_ring.03.cil-1.c[671,684] [2021-11-23 15:48:55,549 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:55,581 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:48:55,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:55 WrapperNode [2021-11-23 15:48:55,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:48:55,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:48:55,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:48:55,585 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:48:55,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:55" (1/1) ... [2021-11-23 15:48:55,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:55" (1/1) ... [2021-11-23 15:48:55,684 INFO L137 Inliner]: procedures = 34, calls = 41, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 322 [2021-11-23 15:48:55,686 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:48:55,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:48:55,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:48:55,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:48:55,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:55" (1/1) ... [2021-11-23 15:48:55,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:55" (1/1) ... [2021-11-23 15:48:55,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:55" (1/1) ... [2021-11-23 15:48:55,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:55" (1/1) ... [2021-11-23 15:48:55,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:55" (1/1) ... [2021-11-23 15:48:55,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:55" (1/1) ... [2021-11-23 15:48:55,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:55" (1/1) ... [2021-11-23 15:48:55,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:48:55,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:48:55,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:48:55,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:48:55,786 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:55" (1/1) ... [2021-11-23 15:48:55,795 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:48:55,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:48:55,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:48:55,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:48:55,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:48:55,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:48:55,887 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-23 15:48:55,887 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-23 15:48:55,888 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2021-11-23 15:48:55,888 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2021-11-23 15:48:55,888 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2021-11-23 15:48:55,888 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2021-11-23 15:48:55,888 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:48:55,890 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:48:55,891 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-11-23 15:48:55,892 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-11-23 15:48:55,892 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2021-11-23 15:48:55,892 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2021-11-23 15:48:55,892 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2021-11-23 15:48:55,893 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2021-11-23 15:48:55,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:48:55,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:48:56,036 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:48:56,038 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:48:56,625 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:48:56,669 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 15:48:56,673 INFO L158 Benchmark]: Toolchain (without parser) took 1718.67ms. Allocated memory is still 67.1MB. Free memory was 45.8MB in the beginning and 40.8MB in the end (delta: 4.9MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2021-11-23 15:48:56,673 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 67.1MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:48:56,674 INFO L158 Benchmark]: CACSL2BoogieTranslator took 625.54ms. Allocated memory is still 67.1MB. Free memory was 45.5MB in the beginning and 46.7MB in the end (delta: -1.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:48:56,675 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.07ms. Allocated memory is still 67.1MB. Free memory was 46.4MB in the beginning and 44.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:48:56,676 INFO L158 Benchmark]: Boogie Preprocessor took 95.52ms. Allocated memory is still 67.1MB. Free memory was 44.2MB in the beginning and 42.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:48:56,676 INFO L158 Benchmark]: RCFGBuilder took 887.00ms. Allocated memory is still 67.1MB. Free memory was 42.1MB in the beginning and 40.8MB in the end (delta: 1.3MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2021-11-23 15:48:56,685 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 67.1MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 625.54ms. Allocated memory is still 67.1MB. Free memory was 45.5MB in the beginning and 46.7MB in the end (delta: -1.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.07ms. Allocated memory is still 67.1MB. Free memory was 46.4MB in the beginning and 44.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.52ms. Allocated memory is still 67.1MB. Free memory was 44.2MB in the beginning and 42.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 887.00ms. Allocated memory is still 67.1MB. Free memory was 42.1MB in the beginning and 40.8MB in the end (delta: 1.3MB). Peak memory consumption was 21.4MB. 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 15:48:56,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23afce2d-8d51-40a6-bb14-0e7cef7a33fe/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