./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem13_label16.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_74249500-8592-4c01-b64d-f8b689d8ab4f/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74249500-8592-4c01-b64d-f8b689d8ab4f/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_74249500-8592-4c01-b64d-f8b689d8ab4f/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74249500-8592-4c01-b64d-f8b689d8ab4f/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem13_label16.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74249500-8592-4c01-b64d-f8b689d8ab4f/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_74249500-8592-4c01-b64d-f8b689d8ab4f/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 8b5d267cd1e473b445c52ec06f60f3c8a73f12a2c5a7f8cdb18f8745b90aa156 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:46:34,722 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:46:34,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:46:34,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:46:34,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:46:34,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:46:34,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:46:34,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:46:34,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:46:34,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:46:34,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:46:34,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:46:34,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:46:34,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:46:34,772 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:46:34,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:46:34,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:46:34,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:46:34,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:46:34,780 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:46:34,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:46:34,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:46:34,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:46:34,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:46:34,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:46:34,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:46:34,791 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:46:34,792 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:46:34,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:46:34,794 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:46:34,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:46:34,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:46:34,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:46:34,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:46:34,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:46:34,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:46:34,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:46:34,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:46:34,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:46:34,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:46:34,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:46:34,804 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74249500-8592-4c01-b64d-f8b689d8ab4f/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:46:34,828 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:46:34,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:46:34,829 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:46:34,830 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:46:34,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:46:34,831 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:46:34,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:46:34,831 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:46:34,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:46:34,832 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:46:34,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:46:34,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:46:34,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:46:34,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:46:34,833 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:46:34,834 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:46:34,834 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:46:34,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:46:34,834 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:46:34,835 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:46:34,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:46:34,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:46:34,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:46:34,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:46:34,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:46:34,837 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:46:34,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:46:34,837 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:46:34,837 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_74249500-8592-4c01-b64d-f8b689d8ab4f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74249500-8592-4c01-b64d-f8b689d8ab4f/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b5d267cd1e473b445c52ec06f60f3c8a73f12a2c5a7f8cdb18f8745b90aa156 [2021-11-23 15:46:35,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:46:35,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:46:35,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:46:35,121 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:46:35,121 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:46:35,123 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74249500-8592-4c01-b64d-f8b689d8ab4f/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem13_label16.c [2021-11-23 15:46:35,190 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74249500-8592-4c01-b64d-f8b689d8ab4f/bin/ukojak-CwSLpZB5Qu/data/b66488f5f/b3a25b81b62241579bca66ae3a8f9b1c/FLAG34289a4c4 [2021-11-23 15:46:36,075 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:46:36,076 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74249500-8592-4c01-b64d-f8b689d8ab4f/sv-benchmarks/c/eca-rers2012/Problem13_label16.c [2021-11-23 15:46:36,115 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74249500-8592-4c01-b64d-f8b689d8ab4f/bin/ukojak-CwSLpZB5Qu/data/b66488f5f/b3a25b81b62241579bca66ae3a8f9b1c/FLAG34289a4c4 [2021-11-23 15:46:36,538 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74249500-8592-4c01-b64d-f8b689d8ab4f/bin/ukojak-CwSLpZB5Qu/data/b66488f5f/b3a25b81b62241579bca66ae3a8f9b1c [2021-11-23 15:46:36,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:46:36,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:46:36,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:46:36,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:46:36,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:46:36,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:36" (1/1) ... [2021-11-23 15:46:36,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@775d1a5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:36, skipping insertion in model container [2021-11-23 15:46:36,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:36" (1/1) ... [2021-11-23 15:46:36,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:46:36,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:46:36,955 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_74249500-8592-4c01-b64d-f8b689d8ab4f/sv-benchmarks/c/eca-rers2012/Problem13_label16.c[3388,3401] [2021-11-23 15:46:38,222 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:46:38,231 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:46:38,265 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_74249500-8592-4c01-b64d-f8b689d8ab4f/sv-benchmarks/c/eca-rers2012/Problem13_label16.c[3388,3401] [2021-11-23 15:46:39,091 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:46:39,120 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:46:39,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39 WrapperNode [2021-11-23 15:46:39,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:46:39,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:46:39,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:46:39,124 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:46:39,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39" (1/1) ... [2021-11-23 15:46:39,209 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39" (1/1) ... [2021-11-23 15:46:39,863 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5583 [2021-11-23 15:46:39,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:46:39,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:46:39,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:46:39,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:46:39,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39" (1/1) ... [2021-11-23 15:46:39,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39" (1/1) ... [2021-11-23 15:46:39,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39" (1/1) ... [2021-11-23 15:46:39,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39" (1/1) ... [2021-11-23 15:46:40,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39" (1/1) ... [2021-11-23 15:46:40,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39" (1/1) ... [2021-11-23 15:46:40,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39" (1/1) ... [2021-11-23 15:46:40,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:46:40,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:46:40,605 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:46:40,605 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:46:40,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:39" (1/1) ... [2021-11-23 15:46:40,631 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:46:40,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74249500-8592-4c01-b64d-f8b689d8ab4f/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:46:40,678 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74249500-8592-4c01-b64d-f8b689d8ab4f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:46:40,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74249500-8592-4c01-b64d-f8b689d8ab4f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:46:40,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:46:40,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:46:40,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:46:40,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:46:40,927 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:46:40,941 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:46:46,710 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:46:46,771 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 15:46:46,775 INFO L158 Benchmark]: Toolchain (without parser) took 10232.60ms. Allocated memory was 134.2MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 102.1MB in the beginning and 890.3MB in the end (delta: -788.2MB). Peak memory consumption was 300.2MB. Max. memory is 16.1GB. [2021-11-23 15:46:46,776 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 134.2MB. Free memory is still 109.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:46:46,777 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2578.07ms. Allocated memory was 134.2MB in the beginning and 220.2MB in the end (delta: 86.0MB). Free memory was 102.1MB in the beginning and 102.0MB in the end (delta: 69.3kB). Peak memory consumption was 82.7MB. Max. memory is 16.1GB. [2021-11-23 15:46:46,778 INFO L158 Benchmark]: Boogie Procedure Inliner took 741.74ms. Allocated memory was 220.2MB in the beginning and 356.5MB in the end (delta: 136.3MB). Free memory was 102.0MB in the beginning and 217.4MB in the end (delta: -115.3MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2021-11-23 15:46:46,779 INFO L158 Benchmark]: Boogie Preprocessor took 739.27ms. Allocated memory was 356.5MB in the beginning and 713.0MB in the end (delta: 356.5MB). Free memory was 217.4MB in the beginning and 546.2MB in the end (delta: -328.8MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. [2021-11-23 15:46:46,780 INFO L158 Benchmark]: RCFGBuilder took 6168.92ms. Allocated memory was 713.0MB in the beginning and 1.2GB in the end (delta: 509.6MB). Free memory was 546.2MB in the beginning and 890.3MB in the end (delta: -344.1MB). Peak memory consumption was 165.7MB. Max. memory is 16.1GB. [2021-11-23 15:46:46,784 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 134.2MB. Free memory is still 109.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2578.07ms. Allocated memory was 134.2MB in the beginning and 220.2MB in the end (delta: 86.0MB). Free memory was 102.1MB in the beginning and 102.0MB in the end (delta: 69.3kB). Peak memory consumption was 82.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 741.74ms. Allocated memory was 220.2MB in the beginning and 356.5MB in the end (delta: 136.3MB). Free memory was 102.0MB in the beginning and 217.4MB in the end (delta: -115.3MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 739.27ms. Allocated memory was 356.5MB in the beginning and 713.0MB in the end (delta: 356.5MB). Free memory was 217.4MB in the beginning and 546.2MB in the end (delta: -328.8MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. * RCFGBuilder took 6168.92ms. Allocated memory was 713.0MB in the beginning and 1.2GB in the end (delta: 509.6MB). Free memory was 546.2MB in the beginning and 890.3MB in the end (delta: -344.1MB). Peak memory consumption was 165.7MB. 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 15:46:46,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74249500-8592-4c01-b64d-f8b689d8ab4f/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_74249500-8592-4c01-b64d-f8b689d8ab4f/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74249500-8592-4c01-b64d-f8b689d8ab4f/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_74249500-8592-4c01-b64d-f8b689d8ab4f/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74249500-8592-4c01-b64d-f8b689d8ab4f/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem13_label16.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74249500-8592-4c01-b64d-f8b689d8ab4f/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_74249500-8592-4c01-b64d-f8b689d8ab4f/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 8b5d267cd1e473b445c52ec06f60f3c8a73f12a2c5a7f8cdb18f8745b90aa156 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:46:49,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:46:49,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:46:49,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:46:49,206 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:46:49,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:46:49,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:46:49,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:46:49,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:46:49,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:46:49,231 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:46:49,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:46:49,233 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:46:49,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:46:49,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:46:49,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:46:49,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:46:49,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:46:49,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:46:49,261 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:46:49,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:46:49,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:46:49,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:46:49,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:46:49,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:46:49,277 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:46:49,277 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:46:49,279 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:46:49,280 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:46:49,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:46:49,281 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:46:49,282 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:46:49,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:46:49,285 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:46:49,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:46:49,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:46:49,287 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:46:49,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:46:49,287 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:46:49,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:46:49,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:46:49,295 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74249500-8592-4c01-b64d-f8b689d8ab4f/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:46:49,347 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:46:49,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:46:49,348 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:46:49,348 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:46:49,349 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:46:49,350 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:46:49,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:46:49,350 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:46:49,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:46:49,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:46:49,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:46:49,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:46:49,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:46:49,352 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:46:49,352 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:46:49,352 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:46:49,353 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:46:49,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:46:49,353 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:46:49,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:46:49,353 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:46:49,354 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:46:49,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:46:49,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:46:49,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:46:49,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:46:49,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:46:49,355 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:46:49,355 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:46:49,355 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:46:49,356 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:46:49,356 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:46:49,356 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_74249500-8592-4c01-b64d-f8b689d8ab4f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74249500-8592-4c01-b64d-f8b689d8ab4f/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b5d267cd1e473b445c52ec06f60f3c8a73f12a2c5a7f8cdb18f8745b90aa156 [2021-11-23 15:46:49,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:46:49,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:46:49,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:46:49,741 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:46:49,742 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:46:49,743 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74249500-8592-4c01-b64d-f8b689d8ab4f/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem13_label16.c [2021-11-23 15:46:49,819 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74249500-8592-4c01-b64d-f8b689d8ab4f/bin/ukojak-CwSLpZB5Qu/data/8c17dc85f/bb583cf952e344ea973c6f66ea64343c/FLAG3d977b4fd [2021-11-23 15:46:50,749 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:46:50,750 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74249500-8592-4c01-b64d-f8b689d8ab4f/sv-benchmarks/c/eca-rers2012/Problem13_label16.c [2021-11-23 15:46:50,783 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74249500-8592-4c01-b64d-f8b689d8ab4f/bin/ukojak-CwSLpZB5Qu/data/8c17dc85f/bb583cf952e344ea973c6f66ea64343c/FLAG3d977b4fd [2021-11-23 15:46:51,157 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74249500-8592-4c01-b64d-f8b689d8ab4f/bin/ukojak-CwSLpZB5Qu/data/8c17dc85f/bb583cf952e344ea973c6f66ea64343c [2021-11-23 15:46:51,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:46:51,162 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:46:51,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:46:51,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:46:51,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:46:51,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:51" (1/1) ... [2021-11-23 15:46:51,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a51c693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:51, skipping insertion in model container [2021-11-23 15:46:51,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:51" (1/1) ... [2021-11-23 15:46:51,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:46:51,367 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:46:51,604 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_74249500-8592-4c01-b64d-f8b689d8ab4f/sv-benchmarks/c/eca-rers2012/Problem13_label16.c[3388,3401] [2021-11-23 15:46:52,864 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:46:52,875 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:46:52,894 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_74249500-8592-4c01-b64d-f8b689d8ab4f/sv-benchmarks/c/eca-rers2012/Problem13_label16.c[3388,3401] [2021-11-23 15:46:53,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:46:53,957 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:46:53,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:53 WrapperNode [2021-11-23 15:46:53,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:46:53,959 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:46:53,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:46:53,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:46:53,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:53" (1/1) ... [2021-11-23 15:46:54,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:53" (1/1) ... [2021-11-23 15:46:54,293 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5578 [2021-11-23 15:46:54,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:46:54,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:46:54,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:46:54,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:46:54,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:53" (1/1) ... [2021-11-23 15:46:54,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:53" (1/1) ... [2021-11-23 15:46:54,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:53" (1/1) ... [2021-11-23 15:46:54,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:53" (1/1) ... [2021-11-23 15:46:54,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:53" (1/1) ... [2021-11-23 15:46:54,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:53" (1/1) ... [2021-11-23 15:46:54,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:53" (1/1) ... [2021-11-23 15:46:54,888 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:46:54,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:46:54,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:46:54,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:46:54,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:53" (1/1) ... [2021-11-23 15:46:54,898 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:46:54,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74249500-8592-4c01-b64d-f8b689d8ab4f/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:46:54,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74249500-8592-4c01-b64d-f8b689d8ab4f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:46:54,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:46:54,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:46:54,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:46:54,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:46:54,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74249500-8592-4c01-b64d-f8b689d8ab4f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:46:55,110 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:46:55,112 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:47:40,059 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:47:40,127 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 15:47:40,136 INFO L158 Benchmark]: Toolchain (without parser) took 48971.06ms. Allocated memory was 62.9MB in the beginning and 467.7MB in the end (delta: 404.8MB). Free memory was 36.9MB in the beginning and 291.2MB in the end (delta: -254.4MB). Peak memory consumption was 255.3MB. Max. memory is 16.1GB. [2021-11-23 15:47:40,136 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory is still 42.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:47:40,138 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2794.20ms. Allocated memory was 62.9MB in the beginning and 134.2MB in the end (delta: 71.3MB). Free memory was 36.7MB in the beginning and 54.5MB in the end (delta: -17.8MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2021-11-23 15:47:40,139 INFO L158 Benchmark]: Boogie Procedure Inliner took 334.08ms. Allocated memory is still 134.2MB. Free memory was 54.5MB in the beginning and 55.4MB in the end (delta: -968.4kB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2021-11-23 15:47:40,141 INFO L158 Benchmark]: Boogie Preprocessor took 594.66ms. Allocated memory was 134.2MB in the beginning and 272.6MB in the end (delta: 138.4MB). Free memory was 55.4MB in the beginning and 177.6MB in the end (delta: -122.2MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2021-11-23 15:47:40,142 INFO L158 Benchmark]: RCFGBuilder took 45243.18ms. Allocated memory was 272.6MB in the beginning and 467.7MB in the end (delta: 195.0MB). Free memory was 177.6MB in the beginning and 291.2MB in the end (delta: -113.6MB). Peak memory consumption was 190.3MB. Max. memory is 16.1GB. [2021-11-23 15:47:40,152 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory is still 42.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2794.20ms. Allocated memory was 62.9MB in the beginning and 134.2MB in the end (delta: 71.3MB). Free memory was 36.7MB in the beginning and 54.5MB in the end (delta: -17.8MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 334.08ms. Allocated memory is still 134.2MB. Free memory was 54.5MB in the beginning and 55.4MB in the end (delta: -968.4kB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 594.66ms. Allocated memory was 134.2MB in the beginning and 272.6MB in the end (delta: 138.4MB). Free memory was 55.4MB in the beginning and 177.6MB in the end (delta: -122.2MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * RCFGBuilder took 45243.18ms. Allocated memory was 272.6MB in the beginning and 467.7MB in the end (delta: 195.0MB). Free memory was 177.6MB in the beginning and 291.2MB in the end (delta: -113.6MB). Peak memory consumption was 190.3MB. 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 15:47:40,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74249500-8592-4c01-b64d-f8b689d8ab4f/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