./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem17_label21.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_ecb2594e-8da1-4bcb-9f07-af9b29880d08/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb2594e-8da1-4bcb-9f07-af9b29880d08/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_ecb2594e-8da1-4bcb-9f07-af9b29880d08/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb2594e-8da1-4bcb-9f07-af9b29880d08/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem17_label21.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb2594e-8da1-4bcb-9f07-af9b29880d08/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_ecb2594e-8da1-4bcb-9f07-af9b29880d08/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 094be3bd22098479b0cd50c57f93c246c7d8c744192a211aacece1f30e4af2db --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:23,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:23,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:23,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:23,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:23,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:23,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:23,859 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:23,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:23,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:23,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:23,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:23,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:23,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:23,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:23,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:23,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:23,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:23,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:23,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:23,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:23,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:23,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:23,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:23,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:23,915 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:23,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:23,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:23,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:23,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:23,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:23,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:23,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:23,926 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:23,928 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:23,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:23,929 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:23,930 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:23,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:23,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:23,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:23,933 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb2594e-8da1-4bcb-9f07-af9b29880d08/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:55:23,982 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:23,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:23,984 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:23,984 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:23,985 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:23,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:23,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:23,986 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:23,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:55:23,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:23,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:23,994 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:23,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:23,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:23,995 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:23,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:23,996 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:23,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:23,996 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:23,996 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:23,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:23,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:23,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:23,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:23,998 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:23,998 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:55:23,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:55:23,998 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:23,999 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_ecb2594e-8da1-4bcb-9f07-af9b29880d08/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb2594e-8da1-4bcb-9f07-af9b29880d08/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 094be3bd22098479b0cd50c57f93c246c7d8c744192a211aacece1f30e4af2db [2021-11-23 15:55:24,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:24,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:24,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:24,348 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:24,350 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:24,351 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb2594e-8da1-4bcb-9f07-af9b29880d08/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem17_label21.c [2021-11-23 15:55:24,434 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb2594e-8da1-4bcb-9f07-af9b29880d08/bin/ukojak-CwSLpZB5Qu/data/3bee84359/ba6e8dd62b63464eaacc5da73531ef04/FLAG8d635e6fb [2021-11-23 15:55:25,257 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:25,260 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb2594e-8da1-4bcb-9f07-af9b29880d08/sv-benchmarks/c/eca-rers2012/Problem17_label21.c [2021-11-23 15:55:25,307 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb2594e-8da1-4bcb-9f07-af9b29880d08/bin/ukojak-CwSLpZB5Qu/data/3bee84359/ba6e8dd62b63464eaacc5da73531ef04/FLAG8d635e6fb [2021-11-23 15:55:25,777 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb2594e-8da1-4bcb-9f07-af9b29880d08/bin/ukojak-CwSLpZB5Qu/data/3bee84359/ba6e8dd62b63464eaacc5da73531ef04 [2021-11-23 15:55:25,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:25,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:25,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:25,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:25,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:25,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:25" (1/1) ... [2021-11-23 15:55:25,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22226480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:25, skipping insertion in model container [2021-11-23 15:55:25,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:25" (1/1) ... [2021-11-23 15:55:25,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:25,950 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:26,436 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_ecb2594e-8da1-4bcb-9f07-af9b29880d08/sv-benchmarks/c/eca-rers2012/Problem17_label21.c[8748,8761] [2021-11-23 15:55:27,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:27,321 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:27,395 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_ecb2594e-8da1-4bcb-9f07-af9b29880d08/sv-benchmarks/c/eca-rers2012/Problem17_label21.c[8748,8761] [2021-11-23 15:55:27,970 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:27,994 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:27,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:27 WrapperNode [2021-11-23 15:55:27,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:27,996 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:27,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:27,999 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:28,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:27" (1/1) ... [2021-11-23 15:55:28,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:27" (1/1) ... [2021-11-23 15:55:28,604 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 2611 [2021-11-23 15:55:28,605 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:28,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:28,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:28,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:28,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:27" (1/1) ... [2021-11-23 15:55:28,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:27" (1/1) ... [2021-11-23 15:55:28,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:27" (1/1) ... [2021-11-23 15:55:28,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:27" (1/1) ... [2021-11-23 15:55:28,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:27" (1/1) ... [2021-11-23 15:55:29,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:27" (1/1) ... [2021-11-23 15:55:29,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:27" (1/1) ... [2021-11-23 15:55:29,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:29,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:29,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:29,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:29,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:27" (1/1) ... [2021-11-23 15:55:29,205 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:29,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb2594e-8da1-4bcb-9f07-af9b29880d08/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:29,236 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb2594e-8da1-4bcb-9f07-af9b29880d08/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:29,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb2594e-8da1-4bcb-9f07-af9b29880d08/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:29,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:29,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:55:29,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:29,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:29,381 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:29,383 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:34,706 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:34,787 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 15:55:34,794 INFO L158 Benchmark]: Toolchain (without parser) took 9009.87ms. Allocated memory was 127.9MB in the beginning and 463.5MB in the end (delta: 335.5MB). Free memory was 78.5MB in the beginning and 343.9MB in the end (delta: -265.4MB). Peak memory consumption was 154.3MB. Max. memory is 16.1GB. [2021-11-23 15:55:34,796 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 127.9MB. Free memory was 103.8MB in the beginning and 103.6MB in the end (delta: 140.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:34,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2210.90ms. Allocated memory was 127.9MB in the beginning and 174.1MB in the end (delta: 46.1MB). Free memory was 78.4MB in the beginning and 90.0MB in the end (delta: -11.7MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2021-11-23 15:55:34,800 INFO L158 Benchmark]: Boogie Procedure Inliner took 608.48ms. Allocated memory is still 174.1MB. Free memory was 90.0MB in the beginning and 93.6MB in the end (delta: -3.6MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2021-11-23 15:55:34,801 INFO L158 Benchmark]: Boogie Preprocessor took 586.76ms. Allocated memory is still 174.1MB. Free memory was 93.6MB in the beginning and 73.7MB in the end (delta: 19.9MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2021-11-23 15:55:34,802 INFO L158 Benchmark]: RCFGBuilder took 5597.35ms. Allocated memory was 174.1MB in the beginning and 463.5MB in the end (delta: 289.4MB). Free memory was 73.7MB in the beginning and 343.9MB in the end (delta: -270.2MB). Peak memory consumption was 102.7MB. Max. memory is 16.1GB. [2021-11-23 15:55:34,814 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 127.9MB. Free memory was 103.8MB in the beginning and 103.6MB in the end (delta: 140.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2210.90ms. Allocated memory was 127.9MB in the beginning and 174.1MB in the end (delta: 46.1MB). Free memory was 78.4MB in the beginning and 90.0MB in the end (delta: -11.7MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 608.48ms. Allocated memory is still 174.1MB. Free memory was 90.0MB in the beginning and 93.6MB in the end (delta: -3.6MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 586.76ms. Allocated memory is still 174.1MB. Free memory was 93.6MB in the beginning and 73.7MB in the end (delta: 19.9MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * RCFGBuilder took 5597.35ms. Allocated memory was 174.1MB in the beginning and 463.5MB in the end (delta: 289.4MB). Free memory was 73.7MB in the beginning and 343.9MB in the end (delta: -270.2MB). Peak memory consumption was 102.7MB. 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 15:55:34,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb2594e-8da1-4bcb-9f07-af9b29880d08/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_ecb2594e-8da1-4bcb-9f07-af9b29880d08/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb2594e-8da1-4bcb-9f07-af9b29880d08/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_ecb2594e-8da1-4bcb-9f07-af9b29880d08/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb2594e-8da1-4bcb-9f07-af9b29880d08/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem17_label21.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb2594e-8da1-4bcb-9f07-af9b29880d08/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_ecb2594e-8da1-4bcb-9f07-af9b29880d08/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 094be3bd22098479b0cd50c57f93c246c7d8c744192a211aacece1f30e4af2db --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:37,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:37,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:37,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:37,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:37,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:37,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:37,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:37,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:37,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:37,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:37,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:37,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:37,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:37,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:37,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:37,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:37,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:37,815 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:37,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:37,824 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:37,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:37,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:37,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:37,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:37,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:37,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:37,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:37,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:37,854 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:37,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:37,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:37,858 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:37,859 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:37,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:37,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:37,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:37,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:37,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:37,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:37,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:37,878 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb2594e-8da1-4bcb-9f07-af9b29880d08/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:55:37,937 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:37,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:37,939 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:37,939 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:37,941 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:37,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:37,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:37,942 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:37,942 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:37,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:37,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:37,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:37,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:37,945 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:55:37,945 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:55:37,945 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:55:37,945 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:37,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:37,946 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:37,946 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:37,946 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:37,946 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:37,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:37,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:37,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:37,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:37,948 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:37,948 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:55:37,948 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:55:37,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:37,949 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:55:37,949 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:55:37,949 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_ecb2594e-8da1-4bcb-9f07-af9b29880d08/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb2594e-8da1-4bcb-9f07-af9b29880d08/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 094be3bd22098479b0cd50c57f93c246c7d8c744192a211aacece1f30e4af2db [2021-11-23 15:55:38,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:38,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:38,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:38,473 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:38,474 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:38,476 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb2594e-8da1-4bcb-9f07-af9b29880d08/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem17_label21.c [2021-11-23 15:55:38,571 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb2594e-8da1-4bcb-9f07-af9b29880d08/bin/ukojak-CwSLpZB5Qu/data/9e8537929/3215afb50f7b41e0aab39aa8371e2591/FLAGd9af22201 [2021-11-23 15:55:39,736 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:39,737 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb2594e-8da1-4bcb-9f07-af9b29880d08/sv-benchmarks/c/eca-rers2012/Problem17_label21.c [2021-11-23 15:55:39,767 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb2594e-8da1-4bcb-9f07-af9b29880d08/bin/ukojak-CwSLpZB5Qu/data/9e8537929/3215afb50f7b41e0aab39aa8371e2591/FLAGd9af22201 [2021-11-23 15:55:40,122 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb2594e-8da1-4bcb-9f07-af9b29880d08/bin/ukojak-CwSLpZB5Qu/data/9e8537929/3215afb50f7b41e0aab39aa8371e2591 [2021-11-23 15:55:40,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:40,127 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:40,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:40,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:40,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:40,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:40" (1/1) ... [2021-11-23 15:55:40,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@200e25cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:40, skipping insertion in model container [2021-11-23 15:55:40,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:40" (1/1) ... [2021-11-23 15:55:40,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:40,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:40,574 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_ecb2594e-8da1-4bcb-9f07-af9b29880d08/sv-benchmarks/c/eca-rers2012/Problem17_label21.c[8748,8761] [2021-11-23 15:55:41,660 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:41,676 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:41,740 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_ecb2594e-8da1-4bcb-9f07-af9b29880d08/sv-benchmarks/c/eca-rers2012/Problem17_label21.c[8748,8761] [2021-11-23 15:55:42,306 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:42,332 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:42,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:42 WrapperNode [2021-11-23 15:55:42,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:42,335 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:42,335 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:42,335 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:42,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:42" (1/1) ... [2021-11-23 15:55:42,416 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:42" (1/1) ... [2021-11-23 15:55:42,574 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 2608 [2021-11-23 15:55:42,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:42,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:42,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:42,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:42,587 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:42" (1/1) ... [2021-11-23 15:55:42,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:42" (1/1) ... [2021-11-23 15:55:42,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:42" (1/1) ... [2021-11-23 15:55:42,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:42" (1/1) ... [2021-11-23 15:55:42,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:42" (1/1) ... [2021-11-23 15:55:42,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:42" (1/1) ... [2021-11-23 15:55:42,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:42" (1/1) ... [2021-11-23 15:55:42,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:42,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:42,966 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:42,966 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:42,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:42" (1/1) ... [2021-11-23 15:55:42,976 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:42,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb2594e-8da1-4bcb-9f07-af9b29880d08/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:43,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb2594e-8da1-4bcb-9f07-af9b29880d08/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:43,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb2594e-8da1-4bcb-9f07-af9b29880d08/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:55:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:43,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:43,161 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:43,162 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:56:18,895 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:56:18,966 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 15:56:18,973 INFO L158 Benchmark]: Toolchain (without parser) took 38843.29ms. Allocated memory was 81.8MB in the beginning and 257.9MB in the end (delta: 176.2MB). Free memory was 58.9MB in the beginning and 120.4MB in the end (delta: -61.5MB). Peak memory consumption was 114.9MB. Max. memory is 16.1GB. [2021-11-23 15:56:18,974 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 81.8MB. Free memory was 63.1MB in the beginning and 63.0MB in the end (delta: 71.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:18,976 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2204.47ms. Allocated memory was 81.8MB in the beginning and 107.0MB in the end (delta: 25.2MB). Free memory was 58.7MB in the beginning and 62.9MB in the end (delta: -4.2MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. [2021-11-23 15:56:18,976 INFO L158 Benchmark]: Boogie Procedure Inliner took 239.89ms. Allocated memory is still 107.0MB. Free memory was 62.8MB in the beginning and 40.2MB in the end (delta: 22.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 15:56:18,978 INFO L158 Benchmark]: Boogie Preprocessor took 387.51ms. Allocated memory was 107.0MB in the beginning and 169.9MB in the end (delta: 62.9MB). Free memory was 40.2MB in the beginning and 116.7MB in the end (delta: -76.5MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2021-11-23 15:56:18,979 INFO L158 Benchmark]: RCFGBuilder took 36004.64ms. Allocated memory was 169.9MB in the beginning and 257.9MB in the end (delta: 88.1MB). Free memory was 116.7MB in the beginning and 120.4MB in the end (delta: -3.7MB). Peak memory consumption was 86.5MB. Max. memory is 16.1GB. [2021-11-23 15:56:18,989 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 81.8MB. Free memory was 63.1MB in the beginning and 63.0MB in the end (delta: 71.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2204.47ms. Allocated memory was 81.8MB in the beginning and 107.0MB in the end (delta: 25.2MB). Free memory was 58.7MB in the beginning and 62.9MB in the end (delta: -4.2MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 239.89ms. Allocated memory is still 107.0MB. Free memory was 62.8MB in the beginning and 40.2MB in the end (delta: 22.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 387.51ms. Allocated memory was 107.0MB in the beginning and 169.9MB in the end (delta: 62.9MB). Free memory was 40.2MB in the beginning and 116.7MB in the end (delta: -76.5MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. * RCFGBuilder took 36004.64ms. Allocated memory was 169.9MB in the beginning and 257.9MB in the end (delta: 88.1MB). Free memory was 116.7MB in the beginning and 120.4MB in the end (delta: -3.7MB). Peak memory consumption was 86.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:56:19,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecb2594e-8da1-4bcb-9f07-af9b29880d08/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