./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.08.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc926ce-3cfe-46f7-b754-f2df714e1471/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc926ce-3cfe-46f7-b754-f2df714e1471/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_abc926ce-3cfe-46f7-b754-f2df714e1471/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc926ce-3cfe-46f7-b754-f2df714e1471/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.08.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc926ce-3cfe-46f7-b754-f2df714e1471/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_abc926ce-3cfe-46f7-b754-f2df714e1471/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 71189e3cc465fa9296e61b90c4b4428a637cf1ec8723797967b75b70226f0c15 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:52:52,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:52:52,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:52:52,353 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:52:52,353 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:52:52,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:52:52,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:52:52,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:52:52,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:52:52,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:52:52,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:52:52,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:52:52,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:52:52,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:52:52,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:52:52,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:52:52,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:52:52,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:52:52,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:52:52,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:52:52,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:52:52,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:52:52,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:52:52,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:52:52,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:52:52,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:52:52,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:52:52,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:52:52,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:52:52,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:52:52,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:52:52,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:52:52,422 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:52:52,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:52:52,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:52:52,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:52:52,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:52:52,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:52:52,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:52:52,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:52:52,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:52:52,429 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc926ce-3cfe-46f7-b754-f2df714e1471/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:52:52,468 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:52:52,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:52:52,470 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:52:52,470 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:52:52,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:52:52,472 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:52:52,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:52:52,472 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:52:52,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:52:52,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:52:52,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:52:52,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:52:52,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:52:52,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:52:52,481 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:52:52,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:52:52,481 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:52:52,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:52:52,481 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:52:52,482 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:52:52,482 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:52:52,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:52,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:52:52,483 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:52:52,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:52:52,483 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:52:52,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:52:52,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:52:52,484 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_abc926ce-3cfe-46f7-b754-f2df714e1471/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc926ce-3cfe-46f7-b754-f2df714e1471/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71189e3cc465fa9296e61b90c4b4428a637cf1ec8723797967b75b70226f0c15 [2021-11-23 15:52:52,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:52:52,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:52:52,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:52:52,837 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:52:52,839 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:52:52,841 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc926ce-3cfe-46f7-b754-f2df714e1471/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.08.cil-1.c [2021-11-23 15:52:52,923 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc926ce-3cfe-46f7-b754-f2df714e1471/bin/ukojak-CwSLpZB5Qu/data/050e6a9a9/7fbff126e2414966be704a0f4865f92d/FLAG34acad285 [2021-11-23 15:52:53,468 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:52:53,469 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc926ce-3cfe-46f7-b754-f2df714e1471/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.08.cil-1.c [2021-11-23 15:52:53,494 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc926ce-3cfe-46f7-b754-f2df714e1471/bin/ukojak-CwSLpZB5Qu/data/050e6a9a9/7fbff126e2414966be704a0f4865f92d/FLAG34acad285 [2021-11-23 15:52:53,766 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc926ce-3cfe-46f7-b754-f2df714e1471/bin/ukojak-CwSLpZB5Qu/data/050e6a9a9/7fbff126e2414966be704a0f4865f92d [2021-11-23 15:52:53,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:52:53,770 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:52:53,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:53,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:52:53,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:52:53,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:53" (1/1) ... [2021-11-23 15:52:53,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77262be5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:53, skipping insertion in model container [2021-11-23 15:52:53,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:53" (1/1) ... [2021-11-23 15:52:53,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:52:53,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:52:54,046 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_abc926ce-3cfe-46f7-b754-f2df714e1471/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.08.cil-1.c[913,926] [2021-11-23 15:52:54,099 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_abc926ce-3cfe-46f7-b754-f2df714e1471/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.08.cil-1.c[5977,5990] [2021-11-23 15:52:54,229 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:54,242 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:52:54,268 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_abc926ce-3cfe-46f7-b754-f2df714e1471/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.08.cil-1.c[913,926] [2021-11-23 15:52:54,295 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_abc926ce-3cfe-46f7-b754-f2df714e1471/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.08.cil-1.c[5977,5990] [2021-11-23 15:52:54,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:54,392 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:52:54,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:54 WrapperNode [2021-11-23 15:52:54,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:54,394 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:54,394 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:52:54,394 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:52:54,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:54" (1/1) ... [2021-11-23 15:52:54,417 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:54" (1/1) ... [2021-11-23 15:52:54,479 INFO L137 Inliner]: procedures = 64, calls = 72, calls flagged for inlining = 39, calls inlined = 39, statements flattened = 823 [2021-11-23 15:52:54,480 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:54,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:52:54,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:52:54,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:52:54,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:54" (1/1) ... [2021-11-23 15:52:54,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:54" (1/1) ... [2021-11-23 15:52:54,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:54" (1/1) ... [2021-11-23 15:52:54,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:54" (1/1) ... [2021-11-23 15:52:54,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:54" (1/1) ... [2021-11-23 15:52:54,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:54" (1/1) ... [2021-11-23 15:52:54,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:54" (1/1) ... [2021-11-23 15:52:54,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:52:54,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:52:54,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:52:54,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:52:54,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:54" (1/1) ... [2021-11-23 15:52:54,611 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:54,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc926ce-3cfe-46f7-b754-f2df714e1471/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:52:54,647 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc926ce-3cfe-46f7-b754-f2df714e1471/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:52:54,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc926ce-3cfe-46f7-b754-f2df714e1471/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:52:54,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:52:54,702 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:52:54,702 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:52:54,702 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2021-11-23 15:52:54,702 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2021-11-23 15:52:54,703 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:52:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:52:54,703 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:52:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:52:54,703 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:52:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:52:54,703 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:52:54,703 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:52:54,704 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:52:54,704 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:52:54,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:52:54,705 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:52:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:52:54,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:52:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:52:54,705 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:52:54,705 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:52:54,888 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:52:54,889 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:52:55,664 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:52:55,708 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 15:52:55,720 INFO L158 Benchmark]: Toolchain (without parser) took 1948.45ms. Allocated memory was 107.0MB in the beginning and 136.3MB in the end (delta: 29.4MB). Free memory was 69.0MB in the beginning and 92.2MB in the end (delta: -23.2MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2021-11-23 15:52:55,720 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 107.0MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:55,721 INFO L158 Benchmark]: CACSL2BoogieTranslator took 616.67ms. Allocated memory is still 107.0MB. Free memory was 68.8MB in the beginning and 71.6MB in the end (delta: -2.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:52:55,722 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.69ms. Allocated memory is still 107.0MB. Free memory was 71.6MB in the beginning and 67.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:52:55,725 INFO L158 Benchmark]: Boogie Preprocessor took 111.76ms. Allocated memory is still 107.0MB. Free memory was 67.4MB in the beginning and 64.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:52:55,726 INFO L158 Benchmark]: RCFGBuilder took 1124.69ms. Allocated memory was 107.0MB in the beginning and 136.3MB in the end (delta: 29.4MB). Free memory was 63.7MB in the beginning and 92.2MB in the end (delta: -28.5MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2021-11-23 15:52:55,730 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 107.0MB. Free memory is still 86.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 616.67ms. Allocated memory is still 107.0MB. Free memory was 68.8MB in the beginning and 71.6MB in the end (delta: -2.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.69ms. Allocated memory is still 107.0MB. Free memory was 71.6MB in the beginning and 67.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 111.76ms. Allocated memory is still 107.0MB. Free memory was 67.4MB in the beginning and 64.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1124.69ms. Allocated memory was 107.0MB in the beginning and 136.3MB in the end (delta: 29.4MB). Free memory was 63.7MB in the beginning and 92.2MB in the end (delta: -28.5MB). Peak memory consumption was 32.2MB. 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 15:52:55,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc926ce-3cfe-46f7-b754-f2df714e1471/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_abc926ce-3cfe-46f7-b754-f2df714e1471/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc926ce-3cfe-46f7-b754-f2df714e1471/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_abc926ce-3cfe-46f7-b754-f2df714e1471/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc926ce-3cfe-46f7-b754-f2df714e1471/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.08.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc926ce-3cfe-46f7-b754-f2df714e1471/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_abc926ce-3cfe-46f7-b754-f2df714e1471/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 71189e3cc465fa9296e61b90c4b4428a637cf1ec8723797967b75b70226f0c15 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:52:58,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:52:58,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:52:58,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:52:58,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:52:58,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:52:58,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:52:58,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:52:58,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:52:58,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:52:58,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:52:58,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:52:58,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:52:58,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:52:58,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:52:58,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:52:58,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:52:58,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:52:58,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:52:58,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:52:58,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:52:58,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:52:58,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:52:58,318 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:52:58,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:52:58,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:52:58,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:52:58,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:52:58,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:52:58,331 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:52:58,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:52:58,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:52:58,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:52:58,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:52:58,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:52:58,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:52:58,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:52:58,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:52:58,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:52:58,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:52:58,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:52:58,365 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc926ce-3cfe-46f7-b754-f2df714e1471/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:52:58,408 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:52:58,408 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:52:58,409 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:52:58,410 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:52:58,411 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:52:58,411 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:52:58,412 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:52:58,412 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:52:58,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:52:58,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:52:58,414 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:52:58,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:52:58,414 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:52:58,414 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:52:58,415 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:52:58,415 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:52:58,415 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:52:58,415 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:52:58,415 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:52:58,416 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:52:58,416 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:52:58,416 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:52:58,416 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:52:58,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:58,417 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:52:58,417 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:52:58,417 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:52:58,418 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:52:58,418 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:52:58,418 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:52:58,418 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:52:58,419 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:52:58,419 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_abc926ce-3cfe-46f7-b754-f2df714e1471/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc926ce-3cfe-46f7-b754-f2df714e1471/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71189e3cc465fa9296e61b90c4b4428a637cf1ec8723797967b75b70226f0c15 [2021-11-23 15:52:58,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:52:58,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:52:58,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:52:58,866 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:52:58,867 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:52:58,869 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc926ce-3cfe-46f7-b754-f2df714e1471/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.08.cil-1.c [2021-11-23 15:52:58,946 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc926ce-3cfe-46f7-b754-f2df714e1471/bin/ukojak-CwSLpZB5Qu/data/e75a8fc31/a1398839be6c4242bbf0854e222e6afb/FLAG965d46226 [2021-11-23 15:52:59,589 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:52:59,594 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc926ce-3cfe-46f7-b754-f2df714e1471/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.08.cil-1.c [2021-11-23 15:52:59,613 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc926ce-3cfe-46f7-b754-f2df714e1471/bin/ukojak-CwSLpZB5Qu/data/e75a8fc31/a1398839be6c4242bbf0854e222e6afb/FLAG965d46226 [2021-11-23 15:52:59,880 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc926ce-3cfe-46f7-b754-f2df714e1471/bin/ukojak-CwSLpZB5Qu/data/e75a8fc31/a1398839be6c4242bbf0854e222e6afb [2021-11-23 15:52:59,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:52:59,886 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:52:59,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:59,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:52:59,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:52:59,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:59" (1/1) ... [2021-11-23 15:52:59,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eb5658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:59, skipping insertion in model container [2021-11-23 15:52:59,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:59" (1/1) ... [2021-11-23 15:52:59,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:52:59,973 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:00,116 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_abc926ce-3cfe-46f7-b754-f2df714e1471/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.08.cil-1.c[913,926] [2021-11-23 15:53:00,197 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_abc926ce-3cfe-46f7-b754-f2df714e1471/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.08.cil-1.c[5977,5990] [2021-11-23 15:53:00,348 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:00,367 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:00,383 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_abc926ce-3cfe-46f7-b754-f2df714e1471/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.08.cil-1.c[913,926] [2021-11-23 15:53:00,411 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_abc926ce-3cfe-46f7-b754-f2df714e1471/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.08.cil-1.c[5977,5990] [2021-11-23 15:53:00,492 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:00,527 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:00,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:00 WrapperNode [2021-11-23 15:53:00,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:00,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:00,530 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:00,530 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:00,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:00" (1/1) ... [2021-11-23 15:53:00,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:00" (1/1) ... [2021-11-23 15:53:00,651 INFO L137 Inliner]: procedures = 65, calls = 72, calls flagged for inlining = 39, calls inlined = 39, statements flattened = 790 [2021-11-23 15:53:00,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:00,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:00,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:00,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:00,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:00" (1/1) ... [2021-11-23 15:53:00,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:00" (1/1) ... [2021-11-23 15:53:00,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:00" (1/1) ... [2021-11-23 15:53:00,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:00" (1/1) ... [2021-11-23 15:53:00,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:00" (1/1) ... [2021-11-23 15:53:00,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:00" (1/1) ... [2021-11-23 15:53:00,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:00" (1/1) ... [2021-11-23 15:53:00,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:00,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:00,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:00,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:00,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:00" (1/1) ... [2021-11-23 15:53:00,750 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:00,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc926ce-3cfe-46f7-b754-f2df714e1471/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:00,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc926ce-3cfe-46f7-b754-f2df714e1471/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:00,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc926ce-3cfe-46f7-b754-f2df714e1471/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:00,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:53:00,832 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:53:00,832 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:53:00,832 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2021-11-23 15:53:00,832 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2021-11-23 15:53:00,832 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:53:00,833 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:53:00,833 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:53:00,833 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:53:00,834 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:53:00,834 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:53:00,834 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:53:00,834 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:53:00,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:53:00,835 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:53:00,835 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:53:00,835 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:53:00,835 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:53:00,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:00,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:00,836 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:53:00,836 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:53:00,987 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:00,988 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:02,010 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:53:02,064 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 15:53:02,071 INFO L158 Benchmark]: Toolchain (without parser) took 2183.45ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 45.4MB in the beginning and 64.5MB in the end (delta: -19.1MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2021-11-23 15:53:02,072 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 67.1MB. Free memory is still 46.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:02,074 INFO L158 Benchmark]: CACSL2BoogieTranslator took 639.03ms. Allocated memory is still 67.1MB. Free memory was 45.2MB in the beginning and 39.5MB in the end (delta: 5.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:53:02,075 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.04ms. Allocated memory is still 67.1MB. Free memory was 39.5MB in the beginning and 35.4MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:53:02,076 INFO L158 Benchmark]: Boogie Preprocessor took 85.34ms. Allocated memory is still 67.1MB. Free memory was 35.4MB in the beginning and 31.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:53:02,077 INFO L158 Benchmark]: RCFGBuilder took 1329.96ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 31.9MB in the beginning and 64.5MB in the end (delta: -32.7MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2021-11-23 15:53:02,085 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 67.1MB. Free memory is still 46.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 639.03ms. Allocated memory is still 67.1MB. Free memory was 45.2MB in the beginning and 39.5MB in the end (delta: 5.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.04ms. Allocated memory is still 67.1MB. Free memory was 39.5MB in the beginning and 35.4MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.34ms. Allocated memory is still 67.1MB. Free memory was 35.4MB in the beginning and 31.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1329.96ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 31.9MB in the beginning and 64.5MB in the end (delta: -32.7MB). Peak memory consumption was 16.0MB. 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 15:53:02,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abc926ce-3cfe-46f7-b754-f2df714e1471/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