./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.12.cil-2.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_a1fd63cb-62e0-48fa-808c-736a5176cd25/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fd63cb-62e0-48fa-808c-736a5176cd25/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_a1fd63cb-62e0-48fa-808c-736a5176cd25/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fd63cb-62e0-48fa-808c-736a5176cd25/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.12.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fd63cb-62e0-48fa-808c-736a5176cd25/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_a1fd63cb-62e0-48fa-808c-736a5176cd25/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 cb07c62e0c8f9c002ab72b797de071664dce20871b109c1b4c0b79acbb73493c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:01:55,443 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:01:55,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:01:55,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:01:55,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:01:55,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:01:55,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:01:55,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:01:55,511 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:01:55,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:01:55,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:01:55,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:01:55,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:01:55,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:01:55,525 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:01:55,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:01:55,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:01:55,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:01:55,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:01:55,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:01:55,548 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:01:55,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:01:55,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:01:55,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:01:55,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:01:55,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:01:55,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:01:55,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:01:55,566 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:01:55,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:01:55,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:01:55,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:01:55,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:01:55,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:01:55,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:01:55,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:01:55,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:01:55,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:01:55,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:01:55,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:01:55,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:01:55,578 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fd63cb-62e0-48fa-808c-736a5176cd25/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:01:55,620 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:01:55,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:01:55,622 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:01:55,622 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:01:55,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:01:55,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:01:55,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:01:55,624 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:01:55,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:01:55,624 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:01:55,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:01:55,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:01:55,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:01:55,632 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:01:55,632 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:01:55,632 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:01:55,633 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:01:55,633 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:01:55,633 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:01:55,633 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:01:55,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:01:55,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:55,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:01:55,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:01:55,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:01:55,635 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:01:55,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:01:55,635 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:01:55,635 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_a1fd63cb-62e0-48fa-808c-736a5176cd25/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fd63cb-62e0-48fa-808c-736a5176cd25/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb07c62e0c8f9c002ab72b797de071664dce20871b109c1b4c0b79acbb73493c [2021-11-23 15:01:55,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:01:55,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:01:55,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:01:55,917 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:01:55,918 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:01:55,920 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fd63cb-62e0-48fa-808c-736a5176cd25/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.12.cil-2.c [2021-11-23 15:01:56,003 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fd63cb-62e0-48fa-808c-736a5176cd25/bin/ukojak-CwSLpZB5Qu/data/047f795c8/fa6aec761f3049a7b9b6b220b3ff3836/FLAGfbe4af513 [2021-11-23 15:01:56,617 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:01:56,627 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fd63cb-62e0-48fa-808c-736a5176cd25/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.12.cil-2.c [2021-11-23 15:01:56,648 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fd63cb-62e0-48fa-808c-736a5176cd25/bin/ukojak-CwSLpZB5Qu/data/047f795c8/fa6aec761f3049a7b9b6b220b3ff3836/FLAGfbe4af513 [2021-11-23 15:01:56,900 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fd63cb-62e0-48fa-808c-736a5176cd25/bin/ukojak-CwSLpZB5Qu/data/047f795c8/fa6aec761f3049a7b9b6b220b3ff3836 [2021-11-23 15:01:56,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:01:56,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:01:56,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:56,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:01:56,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:01:56,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:56" (1/1) ... [2021-11-23 15:01:56,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@435698a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:56, skipping insertion in model container [2021-11-23 15:01:56,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:56" (1/1) ... [2021-11-23 15:01:56,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:01:56,993 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:01:57,184 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_a1fd63cb-62e0-48fa-808c-736a5176cd25/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.12.cil-2.c[913,926] [2021-11-23 15:01:57,230 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_a1fd63cb-62e0-48fa-808c-736a5176cd25/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.12.cil-2.c[5977,5990] [2021-11-23 15:01:57,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:57,348 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:01:57,360 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_a1fd63cb-62e0-48fa-808c-736a5176cd25/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.12.cil-2.c[913,926] [2021-11-23 15:01:57,374 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_a1fd63cb-62e0-48fa-808c-736a5176cd25/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.12.cil-2.c[5977,5990] [2021-11-23 15:01:57,469 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:57,509 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:01:57,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:57 WrapperNode [2021-11-23 15:01:57,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:57,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:57,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:01:57,511 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:01:57,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:57" (1/1) ... [2021-11-23 15:01:57,556 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:57" (1/1) ... [2021-11-23 15:01:57,635 INFO L137 Inliner]: procedures = 72, calls = 84, calls flagged for inlining = 47, calls inlined = 47, statements flattened = 1055 [2021-11-23 15:01:57,635 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:57,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:01:57,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:01:57,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:01:57,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:57" (1/1) ... [2021-11-23 15:01:57,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:57" (1/1) ... [2021-11-23 15:01:57,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:57" (1/1) ... [2021-11-23 15:01:57,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:57" (1/1) ... [2021-11-23 15:01:57,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:57" (1/1) ... [2021-11-23 15:01:57,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:57" (1/1) ... [2021-11-23 15:01:57,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:57" (1/1) ... [2021-11-23 15:01:57,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:01:57,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:01:57,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:01:57,757 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:01:57,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:57" (1/1) ... [2021-11-23 15:01:57,772 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:57,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fd63cb-62e0-48fa-808c-736a5176cd25/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:01:57,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fd63cb-62e0-48fa-808c-736a5176cd25/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:01:57,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fd63cb-62e0-48fa-808c-736a5176cd25/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:01:57,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:01:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:01:57,852 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:01:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2021-11-23 15:01:57,853 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2021-11-23 15:01:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:01:57,853 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:01:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:01:57,854 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:01:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:01:57,854 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:01:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:01:57,855 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:01:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:01:57,856 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:01:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:01:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:01:57,856 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:01:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:01:57,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:01:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:01:57,857 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:01:58,068 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:01:58,070 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:01:59,016 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:01:59,085 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 15:01:59,090 INFO L158 Benchmark]: Toolchain (without parser) took 2184.45ms. Allocated memory is still 125.8MB. Free memory was 88.6MB in the beginning and 81.8MB in the end (delta: 6.8MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB. [2021-11-23 15:01:59,091 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory was 98.8MB in the beginning and 98.8MB in the end (delta: 23.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:59,093 INFO L158 Benchmark]: CACSL2BoogieTranslator took 603.03ms. Allocated memory is still 125.8MB. Free memory was 88.6MB in the beginning and 86.9MB in the end (delta: 1.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:01:59,095 INFO L158 Benchmark]: Boogie Procedure Inliner took 124.81ms. Allocated memory is still 125.8MB. Free memory was 86.9MB in the beginning and 81.9MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:01:59,096 INFO L158 Benchmark]: Boogie Preprocessor took 119.30ms. Allocated memory is still 125.8MB. Free memory was 81.9MB in the beginning and 77.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:01:59,097 INFO L158 Benchmark]: RCFGBuilder took 1331.13ms. Allocated memory is still 125.8MB. Free memory was 77.7MB in the beginning and 81.8MB in the end (delta: -4.1MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2021-11-23 15:01:59,106 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 125.8MB. Free memory was 98.8MB in the beginning and 98.8MB in the end (delta: 23.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 603.03ms. Allocated memory is still 125.8MB. Free memory was 88.6MB in the beginning and 86.9MB in the end (delta: 1.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 124.81ms. Allocated memory is still 125.8MB. Free memory was 86.9MB in the beginning and 81.9MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 119.30ms. Allocated memory is still 125.8MB. Free memory was 81.9MB in the beginning and 77.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1331.13ms. Allocated memory is still 125.8MB. Free memory was 77.7MB in the beginning and 81.8MB in the end (delta: -4.1MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:01:59,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fd63cb-62e0-48fa-808c-736a5176cd25/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_a1fd63cb-62e0-48fa-808c-736a5176cd25/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fd63cb-62e0-48fa-808c-736a5176cd25/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_a1fd63cb-62e0-48fa-808c-736a5176cd25/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fd63cb-62e0-48fa-808c-736a5176cd25/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.12.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fd63cb-62e0-48fa-808c-736a5176cd25/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_a1fd63cb-62e0-48fa-808c-736a5176cd25/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 cb07c62e0c8f9c002ab72b797de071664dce20871b109c1b4c0b79acbb73493c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:02:01,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:02:01,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:02:01,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:02:01,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:02:01,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:02:01,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:02:01,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:02:01,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:02:01,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:02:01,738 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:02:01,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:02:01,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:02:01,742 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:02:01,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:02:01,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:02:01,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:02:01,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:02:01,753 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:02:01,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:02:01,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:02:01,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:02:01,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:02:01,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:02:01,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:02:01,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:02:01,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:02:01,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:02:01,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:02:01,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:02:01,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:02:01,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:02:01,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:02:01,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:02:01,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:02:01,788 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:02:01,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:02:01,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:02:01,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:02:01,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:02:01,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:02:01,797 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fd63cb-62e0-48fa-808c-736a5176cd25/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:02:01,838 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:02:01,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:02:01,839 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:02:01,840 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:02:01,841 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:02:01,841 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:02:01,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:02:01,842 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:02:01,842 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:02:01,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:02:01,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:02:01,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:02:01,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:02:01,845 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:02:01,845 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:02:01,845 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:02:01,846 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:02:01,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:02:01,846 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:02:01,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:02:01,847 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:02:01,847 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:02:01,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:02:01,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:01,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:02:01,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:02:01,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:02:01,849 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:02:01,849 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:02:01,850 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:02:01,850 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:02:01,850 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:02:01,851 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_a1fd63cb-62e0-48fa-808c-736a5176cd25/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fd63cb-62e0-48fa-808c-736a5176cd25/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb07c62e0c8f9c002ab72b797de071664dce20871b109c1b4c0b79acbb73493c [2021-11-23 15:02:02,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:02:02,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:02:02,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:02:02,297 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:02:02,298 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:02:02,301 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fd63cb-62e0-48fa-808c-736a5176cd25/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.12.cil-2.c [2021-11-23 15:02:02,374 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fd63cb-62e0-48fa-808c-736a5176cd25/bin/ukojak-CwSLpZB5Qu/data/922a51065/5700c38dc0ad4bdfaa6ff0975191fc27/FLAG21b206b1c [2021-11-23 15:02:02,919 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:02:02,919 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fd63cb-62e0-48fa-808c-736a5176cd25/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.12.cil-2.c [2021-11-23 15:02:02,947 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fd63cb-62e0-48fa-808c-736a5176cd25/bin/ukojak-CwSLpZB5Qu/data/922a51065/5700c38dc0ad4bdfaa6ff0975191fc27/FLAG21b206b1c [2021-11-23 15:02:03,208 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fd63cb-62e0-48fa-808c-736a5176cd25/bin/ukojak-CwSLpZB5Qu/data/922a51065/5700c38dc0ad4bdfaa6ff0975191fc27 [2021-11-23 15:02:03,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:02:03,211 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:02:03,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:03,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:02:03,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:02:03,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:03" (1/1) ... [2021-11-23 15:02:03,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d0a4023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:03, skipping insertion in model container [2021-11-23 15:02:03,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:03" (1/1) ... [2021-11-23 15:02:03,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:02:03,297 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:02:03,444 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_a1fd63cb-62e0-48fa-808c-736a5176cd25/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.12.cil-2.c[913,926] [2021-11-23 15:02:03,531 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_a1fd63cb-62e0-48fa-808c-736a5176cd25/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.12.cil-2.c[5977,5990] [2021-11-23 15:02:03,728 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:03,748 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:02:03,761 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_a1fd63cb-62e0-48fa-808c-736a5176cd25/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.12.cil-2.c[913,926] [2021-11-23 15:02:03,784 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_a1fd63cb-62e0-48fa-808c-736a5176cd25/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.12.cil-2.c[5977,5990] [2021-11-23 15:02:03,887 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:03,918 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:02:03,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:03 WrapperNode [2021-11-23 15:02:03,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:03,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:03,921 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:02:03,921 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:02:03,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:03" (1/1) ... [2021-11-23 15:02:03,971 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:03" (1/1) ... [2021-11-23 15:02:04,055 INFO L137 Inliner]: procedures = 73, calls = 84, calls flagged for inlining = 47, calls inlined = 47, statements flattened = 1014 [2021-11-23 15:02:04,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:04,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:02:04,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:02:04,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:02:04,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:03" (1/1) ... [2021-11-23 15:02:04,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:03" (1/1) ... [2021-11-23 15:02:04,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:03" (1/1) ... [2021-11-23 15:02:04,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:03" (1/1) ... [2021-11-23 15:02:04,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:03" (1/1) ... [2021-11-23 15:02:04,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:03" (1/1) ... [2021-11-23 15:02:04,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:03" (1/1) ... [2021-11-23 15:02:04,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:02:04,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:02:04,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:02:04,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:02:04,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:03" (1/1) ... [2021-11-23 15:02:04,193 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:04,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fd63cb-62e0-48fa-808c-736a5176cd25/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:02:04,224 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fd63cb-62e0-48fa-808c-736a5176cd25/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:02:04,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fd63cb-62e0-48fa-808c-736a5176cd25/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:02:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:02:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:02:04,282 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:02:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2021-11-23 15:02:04,282 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2021-11-23 15:02:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:02:04,284 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:02:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:02:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:02:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:02:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:02:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:02:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:02:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:02:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:02:04,287 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:02:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:02:04,287 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:02:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:02:04,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:02:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:02:04,287 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:02:04,466 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:02:04,468 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:02:05,614 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:02:05,677 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 15:02:05,682 INFO L158 Benchmark]: Toolchain (without parser) took 2469.65ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 33.7MB in the beginning and 40.4MB in the end (delta: -6.8MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2021-11-23 15:02:05,683 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 56.6MB. Free memory was 37.9MB in the beginning and 37.9MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:02:05,683 INFO L158 Benchmark]: CACSL2BoogieTranslator took 707.44ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 33.6MB in the beginning and 43.1MB in the end (delta: -9.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:02:05,684 INFO L158 Benchmark]: Boogie Procedure Inliner took 135.29ms. Allocated memory is still 73.4MB. Free memory was 43.1MB in the beginning and 38.3MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:02:05,685 INFO L158 Benchmark]: Boogie Preprocessor took 128.64ms. Allocated memory is still 73.4MB. Free memory was 38.3MB in the beginning and 52.4MB in the end (delta: -14.1MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2021-11-23 15:02:05,685 INFO L158 Benchmark]: RCFGBuilder took 1493.99ms. Allocated memory is still 73.4MB. Free memory was 52.4MB in the beginning and 40.4MB in the end (delta: 11.9MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2021-11-23 15:02:05,688 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 56.6MB. Free memory was 37.9MB in the beginning and 37.9MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 707.44ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 33.6MB in the beginning and 43.1MB in the end (delta: -9.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 135.29ms. Allocated memory is still 73.4MB. Free memory was 43.1MB in the beginning and 38.3MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 128.64ms. Allocated memory is still 73.4MB. Free memory was 38.3MB in the beginning and 52.4MB in the end (delta: -14.1MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1493.99ms. Allocated memory is still 73.4MB. Free memory was 52.4MB in the beginning and 40.4MB in the end (delta: 11.9MB). Peak memory consumption was 25.4MB. 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 15:02:05,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fd63cb-62e0-48fa-808c-736a5176cd25/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable