./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem17_label50.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_174335a9-b281-4662-8243-4079cd02ebb2/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_174335a9-b281-4662-8243-4079cd02ebb2/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_174335a9-b281-4662-8243-4079cd02ebb2/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_174335a9-b281-4662-8243-4079cd02ebb2/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem17_label50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_174335a9-b281-4662-8243-4079cd02ebb2/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_174335a9-b281-4662-8243-4079cd02ebb2/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 451c7dc1e9ccbf0e1b2bfff20c93c74c6a2c224dafb02ba3904b999265578105 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:38:08,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:38:08,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:38:08,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:38:08,909 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:38:08,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:38:08,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:38:08,915 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:38:08,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:38:08,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:38:08,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:38:08,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:38:08,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:38:08,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:38:08,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:38:08,927 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:38:08,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:38:08,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:38:08,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:38:08,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:38:08,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:38:08,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:38:08,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:38:08,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:38:08,968 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:38:08,969 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:38:08,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:38:08,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:38:08,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:38:08,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:38:08,977 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:38:08,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:38:08,980 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:38:08,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:38:08,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:38:08,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:38:08,989 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:38:08,989 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:38:08,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:38:08,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:38:08,992 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:38:08,993 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_174335a9-b281-4662-8243-4079cd02ebb2/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:38:09,052 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:38:09,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:38:09,054 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:38:09,055 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:38:09,055 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:38:09,056 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:38:09,056 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:38:09,056 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:38:09,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:38:09,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:38:09,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:38:09,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:38:09,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:38:09,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:38:09,065 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:38:09,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:38:09,066 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:38:09,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:38:09,067 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:38:09,067 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:38:09,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:38:09,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:38:09,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:38:09,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:38:09,068 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:38:09,069 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:38:09,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:38:09,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:38:09,069 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_174335a9-b281-4662-8243-4079cd02ebb2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_174335a9-b281-4662-8243-4079cd02ebb2/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 451c7dc1e9ccbf0e1b2bfff20c93c74c6a2c224dafb02ba3904b999265578105 [2021-11-23 15:38:09,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:38:09,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:38:09,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:38:09,353 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:38:09,353 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:38:09,355 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_174335a9-b281-4662-8243-4079cd02ebb2/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem17_label50.c [2021-11-23 15:38:09,422 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_174335a9-b281-4662-8243-4079cd02ebb2/bin/ukojak-CwSLpZB5Qu/data/3e90f3378/235da725646841e084031cb514789b21/FLAGcd7a66bc1 [2021-11-23 15:38:10,207 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:38:10,208 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_174335a9-b281-4662-8243-4079cd02ebb2/sv-benchmarks/c/eca-rers2012/Problem17_label50.c [2021-11-23 15:38:10,229 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_174335a9-b281-4662-8243-4079cd02ebb2/bin/ukojak-CwSLpZB5Qu/data/3e90f3378/235da725646841e084031cb514789b21/FLAGcd7a66bc1 [2021-11-23 15:38:10,309 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_174335a9-b281-4662-8243-4079cd02ebb2/bin/ukojak-CwSLpZB5Qu/data/3e90f3378/235da725646841e084031cb514789b21 [2021-11-23 15:38:10,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:38:10,314 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:38:10,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:38:10,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:38:10,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:38:10,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:10" (1/1) ... [2021-11-23 15:38:10,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d64453f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:10, skipping insertion in model container [2021-11-23 15:38:10,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:10" (1/1) ... [2021-11-23 15:38:10,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:38:10,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:38:10,675 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_174335a9-b281-4662-8243-4079cd02ebb2/sv-benchmarks/c/eca-rers2012/Problem17_label50.c[1517,1530] [2021-11-23 15:38:11,452 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:38:11,461 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:38:11,487 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_174335a9-b281-4662-8243-4079cd02ebb2/sv-benchmarks/c/eca-rers2012/Problem17_label50.c[1517,1530] [2021-11-23 15:38:11,876 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:38:11,897 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:38:11,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:11 WrapperNode [2021-11-23 15:38:11,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:38:11,900 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:38:11,901 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:38:11,902 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:38:11,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:11" (1/1) ... [2021-11-23 15:38:11,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:11" (1/1) ... [2021-11-23 15:38:12,404 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 2611 [2021-11-23 15:38:12,404 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:38:12,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:38:12,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:38:12,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:38:12,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:11" (1/1) ... [2021-11-23 15:38:12,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:11" (1/1) ... [2021-11-23 15:38:12,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:11" (1/1) ... [2021-11-23 15:38:12,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:11" (1/1) ... [2021-11-23 15:38:12,755 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:11" (1/1) ... [2021-11-23 15:38:12,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:11" (1/1) ... [2021-11-23 15:38:12,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:11" (1/1) ... [2021-11-23 15:38:12,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:38:12,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:38:12,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:38:12,915 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:38:12,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:11" (1/1) ... [2021-11-23 15:38:12,930 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:38:12,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_174335a9-b281-4662-8243-4079cd02ebb2/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:38:12,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_174335a9-b281-4662-8243-4079cd02ebb2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:38:12,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_174335a9-b281-4662-8243-4079cd02ebb2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:38:12,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:38:12,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:38:12,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:38:12,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:38:13,063 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:38:13,066 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:38:16,878 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:38:16,922 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 15:38:16,928 INFO L158 Benchmark]: Toolchain (without parser) took 6612.75ms. Allocated memory was 81.8MB in the beginning and 385.9MB in the end (delta: 304.1MB). Free memory was 51.5MB in the beginning and 123.2MB in the end (delta: -71.6MB). Peak memory consumption was 233.0MB. Max. memory is 16.1GB. [2021-11-23 15:38:16,929 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 81.8MB. Free memory was 57.9MB in the beginning and 57.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:38:16,930 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1582.89ms. Allocated memory was 81.8MB in the beginning and 117.4MB in the end (delta: 35.7MB). Free memory was 51.3MB in the beginning and 57.2MB in the end (delta: -5.9MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2021-11-23 15:38:16,930 INFO L158 Benchmark]: Boogie Procedure Inliner took 504.02ms. Allocated memory was 117.4MB in the beginning and 222.3MB in the end (delta: 104.9MB). Free memory was 57.2MB in the beginning and 146.2MB in the end (delta: -89.0MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2021-11-23 15:38:16,931 INFO L158 Benchmark]: Boogie Preprocessor took 506.95ms. Allocated memory is still 222.3MB. Free memory was 146.2MB in the beginning and 120.2MB in the end (delta: 26.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-23 15:38:16,932 INFO L158 Benchmark]: RCFGBuilder took 4012.10ms. Allocated memory was 222.3MB in the beginning and 385.9MB in the end (delta: 163.6MB). Free memory was 120.2MB in the beginning and 123.2MB in the end (delta: -3.0MB). Peak memory consumption was 165.4MB. Max. memory is 16.1GB. [2021-11-23 15:38:16,936 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 81.8MB. Free memory was 57.9MB in the beginning and 57.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1582.89ms. Allocated memory was 81.8MB in the beginning and 117.4MB in the end (delta: 35.7MB). Free memory was 51.3MB in the beginning and 57.2MB in the end (delta: -5.9MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 504.02ms. Allocated memory was 117.4MB in the beginning and 222.3MB in the end (delta: 104.9MB). Free memory was 57.2MB in the beginning and 146.2MB in the end (delta: -89.0MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 506.95ms. Allocated memory is still 222.3MB. Free memory was 146.2MB in the beginning and 120.2MB in the end (delta: 26.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * RCFGBuilder took 4012.10ms. Allocated memory was 222.3MB in the beginning and 385.9MB in the end (delta: 163.6MB). Free memory was 120.2MB in the beginning and 123.2MB in the end (delta: -3.0MB). Peak memory consumption was 165.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:38:16,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_174335a9-b281-4662-8243-4079cd02ebb2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_174335a9-b281-4662-8243-4079cd02ebb2/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_174335a9-b281-4662-8243-4079cd02ebb2/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_174335a9-b281-4662-8243-4079cd02ebb2/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_174335a9-b281-4662-8243-4079cd02ebb2/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem17_label50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_174335a9-b281-4662-8243-4079cd02ebb2/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_174335a9-b281-4662-8243-4079cd02ebb2/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 451c7dc1e9ccbf0e1b2bfff20c93c74c6a2c224dafb02ba3904b999265578105 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:38:19,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:38:19,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:38:19,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:38:19,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:38:19,560 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:38:19,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:38:19,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:38:19,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:38:19,580 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:38:19,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:38:19,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:38:19,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:38:19,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:38:19,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:38:19,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:38:19,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:38:19,602 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:38:19,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:38:19,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:38:19,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:38:19,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:38:19,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:38:19,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:38:19,630 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:38:19,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:38:19,631 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:38:19,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:38:19,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:38:19,636 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:38:19,636 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:38:19,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:38:19,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:38:19,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:38:19,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:38:19,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:38:19,644 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:38:19,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:38:19,644 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:38:19,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:38:19,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:38:19,653 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_174335a9-b281-4662-8243-4079cd02ebb2/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:38:19,704 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:38:19,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:38:19,706 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:38:19,706 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:38:19,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:38:19,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:38:19,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:38:19,708 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:38:19,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:38:19,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:38:19,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:38:19,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:38:19,711 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:38:19,711 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:38:19,711 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:38:19,711 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:38:19,712 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:38:19,712 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:38:19,712 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:38:19,712 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:38:19,713 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:38:19,713 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:38:19,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:38:19,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:38:19,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:38:19,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:38:19,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:38:19,715 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:38:19,715 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:38:19,715 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:38:19,715 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:38:19,715 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:38:19,716 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_174335a9-b281-4662-8243-4079cd02ebb2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_174335a9-b281-4662-8243-4079cd02ebb2/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 451c7dc1e9ccbf0e1b2bfff20c93c74c6a2c224dafb02ba3904b999265578105 [2021-11-23 15:38:20,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:38:20,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:38:20,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:38:20,171 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:38:20,172 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:38:20,173 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_174335a9-b281-4662-8243-4079cd02ebb2/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem17_label50.c [2021-11-23 15:38:20,270 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_174335a9-b281-4662-8243-4079cd02ebb2/bin/ukojak-CwSLpZB5Qu/data/2876a9778/490f2c65029a4f519b72b56b375cae0b/FLAG6bbdee66f [2021-11-23 15:38:21,222 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:38:21,224 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_174335a9-b281-4662-8243-4079cd02ebb2/sv-benchmarks/c/eca-rers2012/Problem17_label50.c [2021-11-23 15:38:21,255 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_174335a9-b281-4662-8243-4079cd02ebb2/bin/ukojak-CwSLpZB5Qu/data/2876a9778/490f2c65029a4f519b72b56b375cae0b/FLAG6bbdee66f [2021-11-23 15:38:21,721 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_174335a9-b281-4662-8243-4079cd02ebb2/bin/ukojak-CwSLpZB5Qu/data/2876a9778/490f2c65029a4f519b72b56b375cae0b [2021-11-23 15:38:21,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:38:21,726 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:38:21,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:38:21,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:38:21,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:38:21,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:21" (1/1) ... [2021-11-23 15:38:21,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67d6f591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:21, skipping insertion in model container [2021-11-23 15:38:21,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:21" (1/1) ... [2021-11-23 15:38:21,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:38:21,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:38:22,091 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_174335a9-b281-4662-8243-4079cd02ebb2/sv-benchmarks/c/eca-rers2012/Problem17_label50.c[1517,1530] [2021-11-23 15:38:23,071 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:38:23,083 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:38:23,117 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_174335a9-b281-4662-8243-4079cd02ebb2/sv-benchmarks/c/eca-rers2012/Problem17_label50.c[1517,1530] [2021-11-23 15:38:23,579 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:38:23,599 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:38:23,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:23 WrapperNode [2021-11-23 15:38:23,601 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:38:23,602 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:38:23,602 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:38:23,603 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:38:23,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:23" (1/1) ... [2021-11-23 15:38:23,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:23" (1/1) ... [2021-11-23 15:38:23,814 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 2608 [2021-11-23 15:38:23,814 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:38:23,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:38:23,815 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:38:23,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:38:23,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:23" (1/1) ... [2021-11-23 15:38:23,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:23" (1/1) ... [2021-11-23 15:38:23,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:23" (1/1) ... [2021-11-23 15:38:23,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:23" (1/1) ... [2021-11-23 15:38:23,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:23" (1/1) ... [2021-11-23 15:38:23,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:23" (1/1) ... [2021-11-23 15:38:24,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:23" (1/1) ... [2021-11-23 15:38:24,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:38:24,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:38:24,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:38:24,048 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:38:24,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:23" (1/1) ... [2021-11-23 15:38:24,056 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:38:24,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_174335a9-b281-4662-8243-4079cd02ebb2/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:38:24,084 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_174335a9-b281-4662-8243-4079cd02ebb2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:38:24,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_174335a9-b281-4662-8243-4079cd02ebb2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:38:24,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:38:24,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:38:24,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:38:24,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:38:24,213 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:38:24,215 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:38:58,874 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:38:58,938 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 15:38:58,947 INFO L158 Benchmark]: Toolchain (without parser) took 37214.98ms. Allocated memory was 60.8MB in the beginning and 232.8MB in the end (delta: 172.0MB). Free memory was 31.0MB in the beginning and 96.4MB in the end (delta: -65.4MB). Peak memory consumption was 116.0MB. Max. memory is 16.1GB. [2021-11-23 15:38:58,948 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 60.8MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:38:58,951 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1872.56ms. Allocated memory was 60.8MB in the beginning and 94.4MB in the end (delta: 33.6MB). Free memory was 30.9MB in the beginning and 38.6MB in the end (delta: -7.7MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2021-11-23 15:38:58,952 INFO L158 Benchmark]: Boogie Procedure Inliner took 212.57ms. Allocated memory is still 94.4MB. Free memory was 38.6MB in the beginning and 40.2MB in the end (delta: -1.6MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2021-11-23 15:38:58,953 INFO L158 Benchmark]: Boogie Preprocessor took 229.75ms. Allocated memory is still 94.4MB. Free memory was 40.2MB in the beginning and 37.1MB in the end (delta: 3.1MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2021-11-23 15:38:58,955 INFO L158 Benchmark]: RCFGBuilder took 34893.73ms. Allocated memory was 94.4MB in the beginning and 232.8MB in the end (delta: 138.4MB). Free memory was 37.1MB in the beginning and 96.4MB in the end (delta: -59.3MB). Peak memory consumption was 87.7MB. Max. memory is 16.1GB. [2021-11-23 15:38:58,968 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 60.8MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1872.56ms. Allocated memory was 60.8MB in the beginning and 94.4MB in the end (delta: 33.6MB). Free memory was 30.9MB in the beginning and 38.6MB in the end (delta: -7.7MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 212.57ms. Allocated memory is still 94.4MB. Free memory was 38.6MB in the beginning and 40.2MB in the end (delta: -1.6MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 229.75ms. Allocated memory is still 94.4MB. Free memory was 40.2MB in the beginning and 37.1MB in the end (delta: 3.1MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. * RCFGBuilder took 34893.73ms. Allocated memory was 94.4MB in the beginning and 232.8MB in the end (delta: 138.4MB). Free memory was 37.1MB in the beginning and 96.4MB in the end (delta: -59.3MB). Peak memory consumption was 87.7MB. 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 15:38:59,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_174335a9-b281-4662-8243-4079cd02ebb2/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