./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.09.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/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_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.09.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/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_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/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 6d55d399b7f413c968459e57be858565c9c3a03797404fd2613513b79af9aeb3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:43:02,613 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:43:02,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:43:02,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:43:02,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:43:02,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:43:02,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:43:02,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:43:02,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:43:02,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:43:02,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:43:02,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:43:02,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:43:02,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:43:02,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:43:02,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:43:02,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:43:02,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:43:02,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:43:02,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:43:02,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:43:02,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:43:02,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:43:02,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:43:02,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:43:02,693 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:43:02,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:43:02,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:43:02,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:43:02,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:43:02,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:43:02,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:43:02,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:43:02,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:43:02,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:43:02,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:43:02,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:43:02,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:43:02,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:43:02,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:43:02,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:43:02,708 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:43:02,732 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:43:02,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:43:02,734 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:43:02,734 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:43:02,735 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:43:02,735 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:43:02,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:43:02,736 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:43:02,736 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:43:02,736 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:43:02,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:43:02,737 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:43:02,737 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:43:02,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:43:02,738 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:43:02,738 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:43:02,738 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:43:02,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:43:02,739 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:43:02,739 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:43:02,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:43:02,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:43:02,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:43:02,740 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:43:02,741 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:43:02,741 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:43:02,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:43:02,741 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:43:02,742 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_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d55d399b7f413c968459e57be858565c9c3a03797404fd2613513b79af9aeb3 [2021-11-23 15:43:03,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:43:03,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:43:03,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:43:03,036 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:43:03,037 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:43:03,039 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.09.cil-1.c [2021-11-23 15:43:03,102 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/bin/ukojak-CwSLpZB5Qu/data/7ec7b1e4f/793620025f6640ccbba5961e69654df4/FLAG0df61311c [2021-11-23 15:43:03,654 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:43:03,654 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.09.cil-1.c [2021-11-23 15:43:03,690 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/bin/ukojak-CwSLpZB5Qu/data/7ec7b1e4f/793620025f6640ccbba5961e69654df4/FLAG0df61311c [2021-11-23 15:43:04,003 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/bin/ukojak-CwSLpZB5Qu/data/7ec7b1e4f/793620025f6640ccbba5961e69654df4 [2021-11-23 15:43:04,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:43:04,007 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:43:04,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:43:04,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:43:04,012 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:43:04,013 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:43:04" (1/1) ... [2021-11-23 15:43:04,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f808a81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:04, skipping insertion in model container [2021-11-23 15:43:04,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:43:04" (1/1) ... [2021-11-23 15:43:04,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:43:04,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:43:04,280 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_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.09.cil-1.c[913,926] [2021-11-23 15:43:04,325 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_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.09.cil-1.c[5977,5990] [2021-11-23 15:43:04,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:43:04,465 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:43:04,480 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_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.09.cil-1.c[913,926] [2021-11-23 15:43:04,509 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_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.09.cil-1.c[5977,5990] [2021-11-23 15:43:04,590 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:43:04,624 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:43:04,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:04 WrapperNode [2021-11-23 15:43:04,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:43:04,626 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:43:04,626 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:43:04,626 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:43:04,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:04" (1/1) ... [2021-11-23 15:43:04,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:04" (1/1) ... [2021-11-23 15:43:04,704 INFO L137 Inliner]: procedures = 66, calls = 75, calls flagged for inlining = 41, calls inlined = 41, statements flattened = 881 [2021-11-23 15:43:04,705 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:43:04,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:43:04,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:43:04,709 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:43:04,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:04" (1/1) ... [2021-11-23 15:43:04,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:04" (1/1) ... [2021-11-23 15:43:04,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:04" (1/1) ... [2021-11-23 15:43:04,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:04" (1/1) ... [2021-11-23 15:43:04,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:04" (1/1) ... [2021-11-23 15:43:04,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:04" (1/1) ... [2021-11-23 15:43:04,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:04" (1/1) ... [2021-11-23 15:43:04,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:43:04,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:43:04,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:43:04,772 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:43:04,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:04" (1/1) ... [2021-11-23 15:43:04,781 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:43:04,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:43:04,805 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:43:04,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:43:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:43:04,853 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:43:04,854 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:43:04,854 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2021-11-23 15:43:04,854 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2021-11-23 15:43:04,854 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:43:04,854 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:43:04,855 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:43:04,855 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:43:04,855 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:43:04,855 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:43:04,855 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:43:04,855 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:43:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:43:04,856 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:43:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:43:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:43:04,856 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:43:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:43:04,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:43:04,857 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:43:04,857 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:43:05,000 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:43:05,002 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:43:05,868 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:43:05,932 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 15:43:05,937 INFO L158 Benchmark]: Toolchain (without parser) took 1929.20ms. Allocated memory was 102.8MB in the beginning and 134.2MB in the end (delta: 31.5MB). Free memory was 70.8MB in the beginning and 79.5MB in the end (delta: -8.7MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2021-11-23 15:43:05,938 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 102.8MB. Free memory is still 57.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:43:05,940 INFO L158 Benchmark]: CACSL2BoogieTranslator took 616.29ms. Allocated memory is still 102.8MB. Free memory was 70.6MB in the beginning and 67.8MB in the end (delta: 2.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:43:05,941 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.33ms. Allocated memory is still 102.8MB. Free memory was 67.8MB in the beginning and 63.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:43:05,942 INFO L158 Benchmark]: Boogie Preprocessor took 64.97ms. Allocated memory is still 102.8MB. Free memory was 63.6MB in the beginning and 60.1MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:43:05,943 INFO L158 Benchmark]: RCFGBuilder took 1164.02ms. Allocated memory was 102.8MB in the beginning and 134.2MB in the end (delta: 31.5MB). Free memory was 59.7MB in the beginning and 79.5MB in the end (delta: -19.8MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2021-11-23 15:43:05,952 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 102.8MB. Free memory is still 57.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 616.29ms. Allocated memory is still 102.8MB. Free memory was 70.6MB in the beginning and 67.8MB in the end (delta: 2.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.33ms. Allocated memory is still 102.8MB. Free memory was 67.8MB in the beginning and 63.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.97ms. Allocated memory is still 102.8MB. Free memory was 63.6MB in the beginning and 60.1MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1164.02ms. Allocated memory was 102.8MB in the beginning and 134.2MB in the end (delta: 31.5MB). Free memory was 59.7MB in the beginning and 79.5MB in the end (delta: -19.8MB). Peak memory consumption was 24.1MB. 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 15:43:05,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/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_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/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_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.09.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/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_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/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 6d55d399b7f413c968459e57be858565c9c3a03797404fd2613513b79af9aeb3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:43:08,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:43:08,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:43:08,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:43:08,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:43:08,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:43:08,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:43:08,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:43:08,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:43:08,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:43:08,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:43:08,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:43:08,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:43:08,412 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:43:08,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:43:08,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:43:08,419 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:43:08,420 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:43:08,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:43:08,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:43:08,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:43:08,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:43:08,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:43:08,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:43:08,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:43:08,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:43:08,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:43:08,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:43:08,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:43:08,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:43:08,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:43:08,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:43:08,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:43:08,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:43:08,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:43:08,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:43:08,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:43:08,464 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:43:08,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:43:08,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:43:08,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:43:08,467 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:43:08,498 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:43:08,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:43:08,500 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:43:08,500 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:43:08,501 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:43:08,501 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:43:08,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:43:08,501 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:43:08,502 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:43:08,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:43:08,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:43:08,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:43:08,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:43:08,503 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:43:08,503 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:43:08,503 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:43:08,503 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:43:08,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:43:08,504 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:43:08,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:43:08,504 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:43:08,505 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:43:08,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:43:08,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:43:08,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:43:08,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:43:08,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:43:08,506 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:43:08,506 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:43:08,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:43:08,507 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:43:08,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:43:08,507 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_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d55d399b7f413c968459e57be858565c9c3a03797404fd2613513b79af9aeb3 [2021-11-23 15:43:08,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:43:08,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:43:08,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:43:08,895 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:43:08,896 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:43:08,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.09.cil-1.c [2021-11-23 15:43:08,978 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/bin/ukojak-CwSLpZB5Qu/data/a7f630ffa/6f5c4d27d43b4e509525438910f5f857/FLAG5497f3f58 [2021-11-23 15:43:09,600 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:43:09,601 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.09.cil-1.c [2021-11-23 15:43:09,626 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/bin/ukojak-CwSLpZB5Qu/data/a7f630ffa/6f5c4d27d43b4e509525438910f5f857/FLAG5497f3f58 [2021-11-23 15:43:09,862 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/bin/ukojak-CwSLpZB5Qu/data/a7f630ffa/6f5c4d27d43b4e509525438910f5f857 [2021-11-23 15:43:09,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:43:09,867 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:43:09,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:43:09,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:43:09,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:43:09,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:43:09" (1/1) ... [2021-11-23 15:43:09,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f0b5bdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:09, skipping insertion in model container [2021-11-23 15:43:09,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:43:09" (1/1) ... [2021-11-23 15:43:09,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:43:09,956 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:43:10,159 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_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.09.cil-1.c[913,926] [2021-11-23 15:43:10,291 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_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.09.cil-1.c[5977,5990] [2021-11-23 15:43:10,416 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:43:10,432 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:43:10,464 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_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.09.cil-1.c[913,926] [2021-11-23 15:43:10,482 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_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/sv-benchmarks/c/combinations/pc_sfifo_1.cil-2+token_ring.09.cil-1.c[5977,5990] [2021-11-23 15:43:10,571 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:43:10,615 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:43:10,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:10 WrapperNode [2021-11-23 15:43:10,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:43:10,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:43:10,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:43:10,618 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:43:10,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:10" (1/1) ... [2021-11-23 15:43:10,659 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:10" (1/1) ... [2021-11-23 15:43:10,716 INFO L137 Inliner]: procedures = 67, calls = 75, calls flagged for inlining = 41, calls inlined = 41, statements flattened = 846 [2021-11-23 15:43:10,716 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:43:10,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:43:10,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:43:10,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:43:10,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:10" (1/1) ... [2021-11-23 15:43:10,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:10" (1/1) ... [2021-11-23 15:43:10,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:10" (1/1) ... [2021-11-23 15:43:10,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:10" (1/1) ... [2021-11-23 15:43:10,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:10" (1/1) ... [2021-11-23 15:43:10,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:10" (1/1) ... [2021-11-23 15:43:10,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:10" (1/1) ... [2021-11-23 15:43:10,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:43:10,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:43:10,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:43:10,793 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:43:10,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:10" (1/1) ... [2021-11-23 15:43:10,801 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:43:10,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:43:10,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:43:10,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:43:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:43:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-11-23 15:43:10,873 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-11-23 15:43:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2021-11-23 15:43:10,873 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2021-11-23 15:43:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread1 [2021-11-23 15:43:10,873 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread1 [2021-11-23 15:43:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread2 [2021-11-23 15:43:10,874 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread2 [2021-11-23 15:43:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events2 [2021-11-23 15:43:10,874 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events2 [2021-11-23 15:43:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads2 [2021-11-23 15:43:10,875 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads2 [2021-11-23 15:43:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:43:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels2 [2021-11-23 15:43:10,875 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels2 [2021-11-23 15:43:10,875 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events2 [2021-11-23 15:43:10,876 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events2 [2021-11-23 15:43:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:43:10,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:43:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure error1 [2021-11-23 15:43:10,876 INFO L138 BoogieDeclarations]: Found implementation of procedure error1 [2021-11-23 15:43:11,033 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:43:11,035 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:43:11,962 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:43:12,015 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 15:43:12,023 INFO L158 Benchmark]: Toolchain (without parser) took 2153.74ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 59.9MB in the beginning and 82.2MB in the end (delta: -22.3MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2021-11-23 15:43:12,024 INFO L158 Benchmark]: CDTParser took 1.81ms. Allocated memory is still 77.6MB. Free memory is still 57.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:43:12,025 INFO L158 Benchmark]: CACSL2BoogieTranslator took 746.50ms. Allocated memory is still 77.6MB. Free memory was 59.8MB in the beginning and 48.4MB in the end (delta: 11.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:43:12,026 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.06ms. Allocated memory is still 77.6MB. Free memory was 48.4MB in the beginning and 44.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:43:12,027 INFO L158 Benchmark]: Boogie Preprocessor took 74.42ms. Allocated memory is still 77.6MB. Free memory was 44.2MB in the beginning and 40.6MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:43:12,028 INFO L158 Benchmark]: RCFGBuilder took 1227.84ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 40.3MB in the beginning and 82.2MB in the end (delta: -41.9MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2021-11-23 15:43:12,037 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.81ms. Allocated memory is still 77.6MB. Free memory is still 57.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 746.50ms. Allocated memory is still 77.6MB. Free memory was 59.8MB in the beginning and 48.4MB in the end (delta: 11.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.06ms. Allocated memory is still 77.6MB. Free memory was 48.4MB in the beginning and 44.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.42ms. Allocated memory is still 77.6MB. Free memory was 44.2MB in the beginning and 40.6MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1227.84ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 40.3MB in the beginning and 82.2MB in the end (delta: -41.9MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:43:12,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a94f6f99-2ee3-4c7b-b372-ccaa00be66b4/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