./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.09.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_71675707-df1a-47ef-9506-0fb40084fc6b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71675707-df1a-47ef-9506-0fb40084fc6b/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_71675707-df1a-47ef-9506-0fb40084fc6b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71675707-df1a-47ef-9506-0fb40084fc6b/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.09.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71675707-df1a-47ef-9506-0fb40084fc6b/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_71675707-df1a-47ef-9506-0fb40084fc6b/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 93c2f95927688290d9634a76e5cb5c078ca9f28d9ebb5a85520405b4d17220b1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:06,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:06,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:06,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:06,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:06,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:06,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:06,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:06,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:06,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:06,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:06,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:06,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:06,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:06,084 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:06,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:06,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:06,103 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:06,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:06,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:06,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:06,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:06,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:06,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:06,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:06,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:06,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:06,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:06,140 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:06,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:06,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:06,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:06,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:06,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:06,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:06,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:06,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:06,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:06,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:06,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:06,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:06,152 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71675707-df1a-47ef-9506-0fb40084fc6b/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:53:06,198 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:06,198 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:06,199 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:53:06,200 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:53:06,201 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:06,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:06,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:06,208 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:06,208 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:53:06,208 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:06,209 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:06,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:53:06,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:06,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:53:06,210 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:06,210 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:53:06,211 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:06,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:53:06,211 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:06,211 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:06,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:06,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:06,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:06,212 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:06,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:53:06,213 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:53:06,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:53:06,213 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:53:06,214 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_71675707-df1a-47ef-9506-0fb40084fc6b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71675707-df1a-47ef-9506-0fb40084fc6b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93c2f95927688290d9634a76e5cb5c078ca9f28d9ebb5a85520405b4d17220b1 [2021-11-23 15:53:06,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:06,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:06,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:06,502 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:06,503 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:06,505 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71675707-df1a-47ef-9506-0fb40084fc6b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.09.cil-1.c [2021-11-23 15:53:06,585 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71675707-df1a-47ef-9506-0fb40084fc6b/bin/ukojak-CwSLpZB5Qu/data/eff72027f/f3032c7b7d124c73b9751ad369e9f68b/FLAG884b3c7ce [2021-11-23 15:53:07,175 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:07,176 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71675707-df1a-47ef-9506-0fb40084fc6b/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.09.cil-1.c [2021-11-23 15:53:07,196 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71675707-df1a-47ef-9506-0fb40084fc6b/bin/ukojak-CwSLpZB5Qu/data/eff72027f/f3032c7b7d124c73b9751ad369e9f68b/FLAG884b3c7ce [2021-11-23 15:53:07,483 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71675707-df1a-47ef-9506-0fb40084fc6b/bin/ukojak-CwSLpZB5Qu/data/eff72027f/f3032c7b7d124c73b9751ad369e9f68b [2021-11-23 15:53:07,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:07,487 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:07,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:07,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:07,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:07,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:07" (1/1) ... [2021-11-23 15:53:07,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47306e19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:07, skipping insertion in model container [2021-11-23 15:53:07,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:07" (1/1) ... [2021-11-23 15:53:07,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:07,574 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:07,712 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_71675707-df1a-47ef-9506-0fb40084fc6b/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.09.cil-1.c[911,924] [2021-11-23 15:53:07,777 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_71675707-df1a-47ef-9506-0fb40084fc6b/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.09.cil-1.c[8416,8429] [2021-11-23 15:53:07,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:07,958 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:07,972 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_71675707-df1a-47ef-9506-0fb40084fc6b/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.09.cil-1.c[911,924] [2021-11-23 15:53:07,992 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_71675707-df1a-47ef-9506-0fb40084fc6b/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.09.cil-1.c[8416,8429] [2021-11-23 15:53:08,047 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:08,071 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:08,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:08 WrapperNode [2021-11-23 15:53:08,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:08,073 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:08,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:08,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:08,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:08" (1/1) ... [2021-11-23 15:53:08,098 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:08" (1/1) ... [2021-11-23 15:53:08,163 INFO L137 Inliner]: procedures = 73, calls = 88, calls flagged for inlining = 42, calls inlined = 42, statements flattened = 904 [2021-11-23 15:53:08,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:08,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:08,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:08,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:08,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:08" (1/1) ... [2021-11-23 15:53:08,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:08" (1/1) ... [2021-11-23 15:53:08,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:08" (1/1) ... [2021-11-23 15:53:08,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:08" (1/1) ... [2021-11-23 15:53:08,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:08" (1/1) ... [2021-11-23 15:53:08,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:08" (1/1) ... [2021-11-23 15:53:08,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:08" (1/1) ... [2021-11-23 15:53:08,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:08,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:08,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:08,270 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:08,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:08" (1/1) ... [2021-11-23 15:53:08,284 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:08,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71675707-df1a-47ef-9506-0fb40084fc6b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:08,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71675707-df1a-47ef-9506-0fb40084fc6b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:08,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71675707-df1a-47ef-9506-0fb40084fc6b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:08,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:53:08,349 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:53:08,349 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:53:08,350 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:53:08,350 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:53:08,350 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:53:08,350 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:53:08,350 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:53:08,351 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:53:08,351 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2021-11-23 15:53:08,351 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2021-11-23 15:53:08,351 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:53:08,351 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:53:08,352 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:53:08,352 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:53:08,352 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2021-11-23 15:53:08,352 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2021-11-23 15:53:08,352 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:53:08,353 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:53:08,353 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2021-11-23 15:53:08,353 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2021-11-23 15:53:08,353 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:53:08,353 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:53:08,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:53:08,354 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:53:08,354 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:53:08,354 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2021-11-23 15:53:08,355 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2021-11-23 15:53:08,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:08,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:08,355 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:53:08,355 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:53:08,507 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:08,509 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:09,363 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !(1 == ~q_free~0); [2021-11-23 15:53:09,363 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 2;~a_t~0 := do_read_c_~a~0#1; [2021-11-23 15:53:09,433 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:53:09,515 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 15:53:09,524 INFO L158 Benchmark]: Toolchain (without parser) took 2035.33ms. Allocated memory is still 109.1MB. Free memory was 78.9MB in the beginning and 44.5MB in the end (delta: 34.4MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2021-11-23 15:53:09,525 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 86.0MB. Free memory was 53.2MB in the beginning and 53.2MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:09,527 INFO L158 Benchmark]: CACSL2BoogieTranslator took 584.08ms. Allocated memory is still 109.1MB. Free memory was 78.7MB in the beginning and 54.4MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:09,529 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.60ms. Allocated memory is still 109.1MB. Free memory was 54.2MB in the beginning and 50.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:53:09,530 INFO L158 Benchmark]: Boogie Preprocessor took 97.35ms. Allocated memory is still 109.1MB. Free memory was 50.0MB in the beginning and 46.1MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:53:09,531 INFO L158 Benchmark]: RCFGBuilder took 1251.64ms. Allocated memory is still 109.1MB. Free memory was 46.1MB in the beginning and 44.9MB in the end (delta: 1.3MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2021-11-23 15:53:09,541 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 86.0MB. Free memory was 53.2MB in the beginning and 53.2MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 584.08ms. Allocated memory is still 109.1MB. Free memory was 78.7MB in the beginning and 54.4MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.60ms. Allocated memory is still 109.1MB. Free memory was 54.2MB in the beginning and 50.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.35ms. Allocated memory is still 109.1MB. Free memory was 50.0MB in the beginning and 46.1MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1251.64ms. Allocated memory is still 109.1MB. Free memory was 46.1MB in the beginning and 44.9MB in the end (delta: 1.3MB). Peak memory consumption was 16.4MB. 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 15:53:09,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71675707-df1a-47ef-9506-0fb40084fc6b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_71675707-df1a-47ef-9506-0fb40084fc6b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71675707-df1a-47ef-9506-0fb40084fc6b/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_71675707-df1a-47ef-9506-0fb40084fc6b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71675707-df1a-47ef-9506-0fb40084fc6b/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.09.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71675707-df1a-47ef-9506-0fb40084fc6b/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_71675707-df1a-47ef-9506-0fb40084fc6b/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 93c2f95927688290d9634a76e5cb5c078ca9f28d9ebb5a85520405b4d17220b1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:12,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:12,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:12,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:12,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:12,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:12,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:12,155 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:12,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:12,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:12,168 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:12,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:12,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:12,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:12,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:12,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:12,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:12,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:12,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:12,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:12,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:12,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:12,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:12,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:12,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:12,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:12,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:12,218 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:12,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:12,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:12,220 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:12,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:12,223 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:12,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:12,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:12,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:12,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:12,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:12,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:12,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:12,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:12,236 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71675707-df1a-47ef-9506-0fb40084fc6b/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:53:12,280 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:12,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:12,282 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:53:12,282 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:53:12,284 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:12,284 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:12,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:12,284 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:12,285 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:12,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:12,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:53:12,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:12,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:53:12,287 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:53:12,287 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:53:12,288 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:53:12,288 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:12,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:53:12,289 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:12,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:53:12,289 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:12,289 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:12,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:12,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:12,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:12,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:12,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:53:12,291 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:53:12,292 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:53:12,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:53:12,292 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:53:12,292 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:53:12,293 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_71675707-df1a-47ef-9506-0fb40084fc6b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71675707-df1a-47ef-9506-0fb40084fc6b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93c2f95927688290d9634a76e5cb5c078ca9f28d9ebb5a85520405b4d17220b1 [2021-11-23 15:53:12,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:12,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:12,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:12,782 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:12,783 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:12,784 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71675707-df1a-47ef-9506-0fb40084fc6b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.09.cil-1.c [2021-11-23 15:53:12,853 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71675707-df1a-47ef-9506-0fb40084fc6b/bin/ukojak-CwSLpZB5Qu/data/636d26225/9d181fc7a6914e6ab100c5705dcc9471/FLAG2f7e6c748 [2021-11-23 15:53:13,497 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:13,498 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71675707-df1a-47ef-9506-0fb40084fc6b/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.09.cil-1.c [2021-11-23 15:53:13,513 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71675707-df1a-47ef-9506-0fb40084fc6b/bin/ukojak-CwSLpZB5Qu/data/636d26225/9d181fc7a6914e6ab100c5705dcc9471/FLAG2f7e6c748 [2021-11-23 15:53:13,762 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71675707-df1a-47ef-9506-0fb40084fc6b/bin/ukojak-CwSLpZB5Qu/data/636d26225/9d181fc7a6914e6ab100c5705dcc9471 [2021-11-23 15:53:13,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:13,767 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:13,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:13,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:13,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:13,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:13" (1/1) ... [2021-11-23 15:53:13,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3923631d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:13, skipping insertion in model container [2021-11-23 15:53:13,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:13" (1/1) ... [2021-11-23 15:53:13,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:13,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:14,056 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_71675707-df1a-47ef-9506-0fb40084fc6b/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.09.cil-1.c[911,924] [2021-11-23 15:53:14,160 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_71675707-df1a-47ef-9506-0fb40084fc6b/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.09.cil-1.c[8416,8429] [2021-11-23 15:53:14,250 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:14,266 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:14,279 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_71675707-df1a-47ef-9506-0fb40084fc6b/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.09.cil-1.c[911,924] [2021-11-23 15:53:14,299 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_71675707-df1a-47ef-9506-0fb40084fc6b/sv-benchmarks/c/combinations/pc_sfifo_3.cil+token_ring.09.cil-1.c[8416,8429] [2021-11-23 15:53:14,357 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:14,394 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:14,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:14 WrapperNode [2021-11-23 15:53:14,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:14,396 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:14,396 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:14,397 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:14,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:14" (1/1) ... [2021-11-23 15:53:14,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:14" (1/1) ... [2021-11-23 15:53:14,483 INFO L137 Inliner]: procedures = 74, calls = 88, calls flagged for inlining = 42, calls inlined = 42, statements flattened = 870 [2021-11-23 15:53:14,484 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:14,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:14,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:14,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:14,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:14" (1/1) ... [2021-11-23 15:53:14,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:14" (1/1) ... [2021-11-23 15:53:14,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:14" (1/1) ... [2021-11-23 15:53:14,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:14" (1/1) ... [2021-11-23 15:53:14,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:14" (1/1) ... [2021-11-23 15:53:14,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:14" (1/1) ... [2021-11-23 15:53:14,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:14" (1/1) ... [2021-11-23 15:53:14,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:14,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:14,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:14,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:14,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:14" (1/1) ... [2021-11-23 15:53:14,562 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:14,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71675707-df1a-47ef-9506-0fb40084fc6b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:14,586 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71675707-df1a-47ef-9506-0fb40084fc6b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:14,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71675707-df1a-47ef-9506-0fb40084fc6b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:14,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:53:14,642 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:53:14,642 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:53:14,643 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2021-11-23 15:53:14,643 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2021-11-23 15:53:14,643 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:53:14,644 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:53:14,645 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:53:14,645 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:53:14,646 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events1 [2021-11-23 15:53:14,646 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events1 [2021-11-23 15:53:14,646 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:53:14,646 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:53:14,646 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:53:14,646 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:53:14,646 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads1 [2021-11-23 15:53:14,647 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads1 [2021-11-23 15:53:14,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:53:14,647 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2021-11-23 15:53:14,647 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2021-11-23 15:53:14,647 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels1 [2021-11-23 15:53:14,647 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels1 [2021-11-23 15:53:14,648 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:53:14,648 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:53:14,648 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:53:14,648 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:53:14,648 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events1 [2021-11-23 15:53:14,648 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events1 [2021-11-23 15:53:14,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:14,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:14,649 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:53:14,649 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:53:14,883 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:14,885 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:15,812 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !(1bv32 == ~q_free~0); [2021-11-23 15:53:15,812 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume 1bv32 == ~q_free~0;~c_dr_st~0 := 2bv32;~c_dr_pc~0 := 2bv32;~a_t~0 := do_read_c_~a~0#1; [2021-11-23 15:53:15,913 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:53:15,962 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 15:53:15,968 INFO L158 Benchmark]: Toolchain (without parser) took 2199.24ms. Allocated memory is still 79.7MB. Free memory was 56.3MB in the beginning and 46.9MB in the end (delta: 9.4MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2021-11-23 15:53:15,969 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 54.5MB. Free memory was 34.7MB in the beginning and 34.7MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:15,970 INFO L158 Benchmark]: CACSL2BoogieTranslator took 624.63ms. Allocated memory is still 79.7MB. Free memory was 56.1MB in the beginning and 50.1MB in the end (delta: 6.0MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2021-11-23 15:53:15,971 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.96ms. Allocated memory is still 79.7MB. Free memory was 50.1MB in the beginning and 45.7MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:53:15,972 INFO L158 Benchmark]: Boogie Preprocessor took 68.81ms. Allocated memory is still 79.7MB. Free memory was 45.7MB in the beginning and 41.8MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:53:15,973 INFO L158 Benchmark]: RCFGBuilder took 1411.33ms. Allocated memory is still 79.7MB. Free memory was 41.5MB in the beginning and 46.9MB in the end (delta: -5.4MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2021-11-23 15:53:15,982 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 54.5MB. Free memory was 34.7MB in the beginning and 34.7MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 624.63ms. Allocated memory is still 79.7MB. Free memory was 56.1MB in the beginning and 50.1MB in the end (delta: 6.0MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.96ms. Allocated memory is still 79.7MB. Free memory was 50.1MB in the beginning and 45.7MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.81ms. Allocated memory is still 79.7MB. Free memory was 45.7MB in the beginning and 41.8MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1411.33ms. Allocated memory is still 79.7MB. Free memory was 41.5MB in the beginning and 46.9MB in the end (delta: -5.4MB). Peak memory consumption was 16.5MB. 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 15:53:16,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71675707-df1a-47ef-9506-0fb40084fc6b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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