./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.05.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_adbb1b98-b158-4135-bb67-a1066d29064b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbb1b98-b158-4135-bb67-a1066d29064b/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_adbb1b98-b158-4135-bb67-a1066d29064b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbb1b98-b158-4135-bb67-a1066d29064b/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.05.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbb1b98-b158-4135-bb67-a1066d29064b/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_adbb1b98-b158-4135-bb67-a1066d29064b/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 b5bbf318bd4a4e295f88f23f80bb9f32022c2eeb214e815b87206f6eafbbf272 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:40:18,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:40:18,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:40:18,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:40:18,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:40:18,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:40:18,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:40:18,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:40:18,638 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:40:18,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:40:18,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:40:18,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:40:18,647 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:40:18,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:40:18,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:40:18,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:40:18,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:40:18,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:40:18,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:40:18,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:40:18,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:40:18,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:40:18,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:40:18,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:40:18,687 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:40:18,687 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:40:18,688 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:40:18,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:40:18,691 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:40:18,692 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:40:18,693 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:40:18,695 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:40:18,697 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:40:18,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:40:18,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:40:18,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:40:18,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:40:18,701 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:40:18,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:40:18,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:40:18,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:40:18,705 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbb1b98-b158-4135-bb67-a1066d29064b/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:40:18,752 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:40:18,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:40:18,755 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:40:18,755 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:40:18,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:40:18,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:40:18,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:40:18,758 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:40:18,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:40:18,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:40:18,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:40:18,760 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:40:18,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:40:18,761 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:40:18,761 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:40:18,761 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:40:18,761 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:40:18,762 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:40:18,762 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:40:18,762 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:40:18,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:40:18,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:18,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:40:18,764 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:40:18,764 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:40:18,764 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:40:18,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:40:18,765 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:40:18,765 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_adbb1b98-b158-4135-bb67-a1066d29064b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbb1b98-b158-4135-bb67-a1066d29064b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5bbf318bd4a4e295f88f23f80bb9f32022c2eeb214e815b87206f6eafbbf272 [2021-11-23 15:40:19,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:40:19,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:40:19,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:40:19,092 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:40:19,093 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:40:19,095 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbb1b98-b158-4135-bb67-a1066d29064b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.05.cil-1.c [2021-11-23 15:40:19,177 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbb1b98-b158-4135-bb67-a1066d29064b/bin/ukojak-CwSLpZB5Qu/data/4913ee71a/61a8edb067144b24aa2eff7be4dc1951/FLAG68d41b7c3 [2021-11-23 15:40:19,697 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:40:19,698 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbb1b98-b158-4135-bb67-a1066d29064b/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.05.cil-1.c [2021-11-23 15:40:19,712 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbb1b98-b158-4135-bb67-a1066d29064b/bin/ukojak-CwSLpZB5Qu/data/4913ee71a/61a8edb067144b24aa2eff7be4dc1951/FLAG68d41b7c3 [2021-11-23 15:40:20,038 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbb1b98-b158-4135-bb67-a1066d29064b/bin/ukojak-CwSLpZB5Qu/data/4913ee71a/61a8edb067144b24aa2eff7be4dc1951 [2021-11-23 15:40:20,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:40:20,044 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:40:20,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:20,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:40:20,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:40:20,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:20" (1/1) ... [2021-11-23 15:40:20,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dcde723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:20, skipping insertion in model container [2021-11-23 15:40:20,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:20" (1/1) ... [2021-11-23 15:40:20,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:40:20,158 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:40:20,372 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_adbb1b98-b158-4135-bb67-a1066d29064b/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.05.cil-1.c[913,926] [2021-11-23 15:40:20,439 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_adbb1b98-b158-4135-bb67-a1066d29064b/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.05.cil-1.c[5977,5990] [2021-11-23 15:40:20,497 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:20,507 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:40:20,517 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_adbb1b98-b158-4135-bb67-a1066d29064b/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.05.cil-1.c[913,926] [2021-11-23 15:40:20,536 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_adbb1b98-b158-4135-bb67-a1066d29064b/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.05.cil-1.c[5977,5990] [2021-11-23 15:40:20,575 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:20,614 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:40:20,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:20 WrapperNode [2021-11-23 15:40:20,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:20,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:20,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:40:20,618 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:40:20,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:20" (1/1) ... [2021-11-23 15:40:20,651 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:20" (1/1) ... [2021-11-23 15:40:20,696 INFO L137 Inliner]: procedures = 58, calls = 63, calls flagged for inlining = 33, calls inlined = 33, statements flattened = 649 [2021-11-23 15:40:20,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:20,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:40:20,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:40:20,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:40:20,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:20" (1/1) ... [2021-11-23 15:40:20,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:20" (1/1) ... [2021-11-23 15:40:20,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:20" (1/1) ... [2021-11-23 15:40:20,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:20" (1/1) ... [2021-11-23 15:40:20,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:20" (1/1) ... [2021-11-23 15:40:20,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:20" (1/1) ... [2021-11-23 15:40:20,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:20" (1/1) ... [2021-11-23 15:40:20,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:40:20,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:40:20,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:40:20,783 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:40:20,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:20" (1/1) ... [2021-11-23 15:40:20,797 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:20,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbb1b98-b158-4135-bb67-a1066d29064b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:40:20,821 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbb1b98-b158-4135-bb67-a1066d29064b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:40:20,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbb1b98-b158-4135-bb67-a1066d29064b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:40:20,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:40:20,863 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:40:20,863 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:40:20,863 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2021-11-23 15:40:20,863 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2021-11-23 15:40:20,863 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:40:20,864 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:40:20,864 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:40:20,864 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:40:20,864 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:40:20,864 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:40:20,865 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:40:20,865 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:40:20,865 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:40:20,865 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:40:20,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:40:20,865 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:40:20,866 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:40:20,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:40:20,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:40:20,866 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:40:20,866 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:40:20,969 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:40:20,970 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:40:21,699 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:40:21,761 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 15:40:21,767 INFO L158 Benchmark]: Toolchain (without parser) took 1720.90ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 43.2MB in the beginning and 59.3MB in the end (delta: -16.0MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2021-11-23 15:40:21,768 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 79.7MB. Free memory was 60.4MB in the beginning and 60.3MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:40:21,770 INFO L158 Benchmark]: CACSL2BoogieTranslator took 568.65ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 43.0MB in the beginning and 64.6MB in the end (delta: -21.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:40:21,771 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.64ms. Allocated memory is still 96.5MB. Free memory was 64.6MB in the beginning and 61.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:40:21,772 INFO L158 Benchmark]: Boogie Preprocessor took 84.64ms. Allocated memory is still 96.5MB. Free memory was 61.0MB in the beginning and 58.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:40:21,773 INFO L158 Benchmark]: RCFGBuilder took 981.27ms. Allocated memory is still 96.5MB. Free memory was 58.1MB in the beginning and 59.3MB in the end (delta: -1.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-23 15:40:21,782 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 79.7MB. Free memory was 60.4MB in the beginning and 60.3MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 568.65ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 43.0MB in the beginning and 64.6MB in the end (delta: -21.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.64ms. Allocated memory is still 96.5MB. Free memory was 64.6MB in the beginning and 61.0MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.64ms. Allocated memory is still 96.5MB. Free memory was 61.0MB in the beginning and 58.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 981.27ms. Allocated memory is still 96.5MB. Free memory was 58.1MB in the beginning and 59.3MB in the end (delta: -1.2MB). Peak memory consumption was 25.2MB. 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 15:40:21,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbb1b98-b158-4135-bb67-a1066d29064b/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_adbb1b98-b158-4135-bb67-a1066d29064b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbb1b98-b158-4135-bb67-a1066d29064b/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_adbb1b98-b158-4135-bb67-a1066d29064b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbb1b98-b158-4135-bb67-a1066d29064b/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.05.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbb1b98-b158-4135-bb67-a1066d29064b/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_adbb1b98-b158-4135-bb67-a1066d29064b/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 b5bbf318bd4a4e295f88f23f80bb9f32022c2eeb214e815b87206f6eafbbf272 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:40:24,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:40:24,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:40:24,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:40:24,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:40:24,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:40:24,319 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:40:24,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:40:24,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:40:24,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:40:24,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:40:24,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:40:24,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:40:24,345 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:40:24,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:40:24,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:40:24,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:40:24,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:40:24,356 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:40:24,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:40:24,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:40:24,365 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:40:24,366 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:40:24,367 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:40:24,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:40:24,375 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:40:24,376 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:40:24,377 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:40:24,379 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:40:24,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:40:24,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:40:24,381 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:40:24,383 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:40:24,384 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:40:24,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:40:24,386 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:40:24,387 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:40:24,387 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:40:24,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:40:24,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:40:24,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:40:24,407 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbb1b98-b158-4135-bb67-a1066d29064b/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:40:24,449 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:40:24,450 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:40:24,451 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:40:24,451 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:40:24,453 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:40:24,453 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:40:24,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:40:24,453 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:40:24,454 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:40:24,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:40:24,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:40:24,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:40:24,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:40:24,456 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:40:24,456 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:40:24,456 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:40:24,456 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:40:24,456 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:40:24,457 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:40:24,457 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:40:24,457 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:40:24,457 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:40:24,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:40:24,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:24,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:40:24,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:40:24,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:40:24,459 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:40:24,459 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:40:24,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:40:24,459 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:40:24,460 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:40:24,460 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_adbb1b98-b158-4135-bb67-a1066d29064b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbb1b98-b158-4135-bb67-a1066d29064b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5bbf318bd4a4e295f88f23f80bb9f32022c2eeb214e815b87206f6eafbbf272 [2021-11-23 15:40:24,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:40:24,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:40:24,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:40:24,855 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:40:24,855 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:40:24,857 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbb1b98-b158-4135-bb67-a1066d29064b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.05.cil-1.c [2021-11-23 15:40:24,927 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbb1b98-b158-4135-bb67-a1066d29064b/bin/ukojak-CwSLpZB5Qu/data/0faaea2b8/0c48b2b2b90e493598b018dd5bb500a0/FLAG1798b3716 [2021-11-23 15:40:25,570 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:40:25,571 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbb1b98-b158-4135-bb67-a1066d29064b/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.05.cil-1.c [2021-11-23 15:40:25,599 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbb1b98-b158-4135-bb67-a1066d29064b/bin/ukojak-CwSLpZB5Qu/data/0faaea2b8/0c48b2b2b90e493598b018dd5bb500a0/FLAG1798b3716 [2021-11-23 15:40:25,895 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbb1b98-b158-4135-bb67-a1066d29064b/bin/ukojak-CwSLpZB5Qu/data/0faaea2b8/0c48b2b2b90e493598b018dd5bb500a0 [2021-11-23 15:40:25,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:40:25,899 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:40:25,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:25,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:40:25,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:40:25,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:25" (1/1) ... [2021-11-23 15:40:25,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e138a45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:25, skipping insertion in model container [2021-11-23 15:40:25,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:25" (1/1) ... [2021-11-23 15:40:25,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:40:25,981 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:40:26,140 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_adbb1b98-b158-4135-bb67-a1066d29064b/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.05.cil-1.c[913,926] [2021-11-23 15:40:26,190 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_adbb1b98-b158-4135-bb67-a1066d29064b/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.05.cil-1.c[5977,5990] [2021-11-23 15:40:26,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:26,303 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:40:26,347 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_adbb1b98-b158-4135-bb67-a1066d29064b/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.05.cil-1.c[913,926] [2021-11-23 15:40:26,366 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_adbb1b98-b158-4135-bb67-a1066d29064b/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.05.cil-1.c[5977,5990] [2021-11-23 15:40:26,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:26,429 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:40:26,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:26 WrapperNode [2021-11-23 15:40:26,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:26,431 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:26,435 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:40:26,435 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:40:26,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:26" (1/1) ... [2021-11-23 15:40:26,471 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:26" (1/1) ... [2021-11-23 15:40:26,531 INFO L137 Inliner]: procedures = 59, calls = 63, calls flagged for inlining = 33, calls inlined = 33, statements flattened = 622 [2021-11-23 15:40:26,531 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:26,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:40:26,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:40:26,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:40:26,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:26" (1/1) ... [2021-11-23 15:40:26,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:26" (1/1) ... [2021-11-23 15:40:26,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:26" (1/1) ... [2021-11-23 15:40:26,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:26" (1/1) ... [2021-11-23 15:40:26,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:26" (1/1) ... [2021-11-23 15:40:26,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:26" (1/1) ... [2021-11-23 15:40:26,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:26" (1/1) ... [2021-11-23 15:40:26,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:40:26,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:40:26,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:40:26,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:40:26,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:26" (1/1) ... [2021-11-23 15:40:26,645 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:26,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbb1b98-b158-4135-bb67-a1066d29064b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:40:26,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbb1b98-b158-4135-bb67-a1066d29064b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:40:26,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbb1b98-b158-4135-bb67-a1066d29064b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:40:26,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:40:26,721 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:40:26,721 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:40:26,722 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2021-11-23 15:40:26,722 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2021-11-23 15:40:26,722 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:40:26,724 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:40:26,724 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:40:26,724 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:40:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:40:26,725 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:40:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:40:26,726 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:40:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:40:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:40:26,726 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:40:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:40:26,726 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:40:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:40:26,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:40:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:40:26,727 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:40:26,903 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:40:26,905 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:40:27,668 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:40:27,729 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 15:40:27,739 INFO L158 Benchmark]: Toolchain (without parser) took 1839.22ms. Allocated memory is still 73.4MB. Free memory was 54.6MB in the beginning and 35.1MB in the end (delta: 19.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-23 15:40:27,740 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 73.4MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:40:27,741 INFO L158 Benchmark]: CACSL2BoogieTranslator took 529.56ms. Allocated memory is still 73.4MB. Free memory was 54.4MB in the beginning and 51.1MB in the end (delta: 3.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:40:27,747 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.55ms. Allocated memory is still 73.4MB. Free memory was 50.8MB in the beginning and 47.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:40:27,748 INFO L158 Benchmark]: Boogie Preprocessor took 104.87ms. Allocated memory is still 73.4MB. Free memory was 47.5MB in the beginning and 44.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:40:27,749 INFO L158 Benchmark]: RCFGBuilder took 1099.84ms. Allocated memory is still 73.4MB. Free memory was 44.4MB in the beginning and 35.1MB in the end (delta: 9.2MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2021-11-23 15:40:27,752 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 73.4MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 529.56ms. Allocated memory is still 73.4MB. Free memory was 54.4MB in the beginning and 51.1MB in the end (delta: 3.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.55ms. Allocated memory is still 73.4MB. Free memory was 50.8MB in the beginning and 47.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.87ms. Allocated memory is still 73.4MB. Free memory was 47.5MB in the beginning and 44.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1099.84ms. Allocated memory is still 73.4MB. Free memory was 44.4MB in the beginning and 35.1MB in the end (delta: 9.2MB). Peak memory consumption was 19.4MB. 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 15:40:27,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adbb1b98-b158-4135-bb67-a1066d29064b/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