./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem101_label15.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_20f84718-02ff-45b4-b821-49bc9e8febfd/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f84718-02ff-45b4-b821-49bc9e8febfd/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_20f84718-02ff-45b4-b821-49bc9e8febfd/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f84718-02ff-45b4-b821-49bc9e8febfd/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem101_label15.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f84718-02ff-45b4-b821-49bc9e8febfd/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_20f84718-02ff-45b4-b821-49bc9e8febfd/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 2eb75f7cdd6fa2aa701b8409e8bfad8928ca3b44cacc1da6b81625e795b2daea --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:30:23,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:30:23,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:30:23,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:30:23,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:30:23,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:30:23,079 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:30:23,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:30:23,085 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:30:23,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:30:23,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:30:23,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:30:23,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:30:23,092 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:30:23,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:30:23,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:30:23,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:30:23,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:30:23,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:30:23,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:30:23,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:30:23,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:30:23,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:30:23,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:30:23,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:30:23,117 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:30:23,117 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:30:23,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:30:23,120 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:30:23,121 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:30:23,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:30:23,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:30:23,125 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:30:23,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:30:23,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:30:23,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:30:23,130 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:30:23,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:30:23,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:30:23,132 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:30:23,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:30:23,134 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f84718-02ff-45b4-b821-49bc9e8febfd/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:30:23,162 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:30:23,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:30:23,163 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:30:23,164 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:30:23,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:30:23,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:30:23,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:30:23,166 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:30:23,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:30:23,166 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:30:23,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:30:23,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:30:23,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:30:23,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:30:23,168 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:30:23,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:30:23,169 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:30:23,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:30:23,169 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:30:23,170 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:30:23,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:30:23,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:30:23,171 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:30:23,171 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:30:23,171 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:30:23,172 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:30:23,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:30:23,172 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:30:23,173 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_20f84718-02ff-45b4-b821-49bc9e8febfd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f84718-02ff-45b4-b821-49bc9e8febfd/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2eb75f7cdd6fa2aa701b8409e8bfad8928ca3b44cacc1da6b81625e795b2daea [2021-11-23 15:30:23,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:30:23,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:30:23,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:30:23,515 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:30:23,517 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:30:23,520 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f84718-02ff-45b4-b821-49bc9e8febfd/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-programs/Problem101_label15.c [2021-11-23 15:30:23,619 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f84718-02ff-45b4-b821-49bc9e8febfd/bin/ukojak-CwSLpZB5Qu/data/f93a33a88/5868bcee2eae429a8575afa01ae98c1d/FLAG27b8e78e9 [2021-11-23 15:30:26,952 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:30:26,953 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f84718-02ff-45b4-b821-49bc9e8febfd/sv-benchmarks/c/eca-programs/Problem101_label15.c [2021-11-23 15:30:27,176 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f84718-02ff-45b4-b821-49bc9e8febfd/bin/ukojak-CwSLpZB5Qu/data/f93a33a88/5868bcee2eae429a8575afa01ae98c1d/FLAG27b8e78e9 [2021-11-23 15:30:27,511 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f84718-02ff-45b4-b821-49bc9e8febfd/bin/ukojak-CwSLpZB5Qu/data/f93a33a88/5868bcee2eae429a8575afa01ae98c1d [2021-11-23 15:30:27,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:30:27,519 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:30:27,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:27,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:30:27,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:30:27,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:27" (1/1) ... [2021-11-23 15:30:27,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4030b2db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:27, skipping insertion in model container [2021-11-23 15:30:27,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:27" (1/1) ... [2021-11-23 15:30:27,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:30:28,584 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:30:42,796 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_20f84718-02ff-45b4-b821-49bc9e8febfd/sv-benchmarks/c/eca-programs/Problem101_label15.c[2770376,2770389] [2021-11-23 15:30:42,874 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:30:42,883 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:30:50,812 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_20f84718-02ff-45b4-b821-49bc9e8febfd/sv-benchmarks/c/eca-programs/Problem101_label15.c[2770376,2770389] [2021-11-23 15:30:50,825 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:30:52,132 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:30:52,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:52 WrapperNode [2021-11-23 15:30:52,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:52,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:30:52,134 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:30:52,134 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:30:52,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:52" (1/1) ... [2021-11-23 15:30:53,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:52" (1/1) ... [2021-11-23 15:30:55,516 INFO L137 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83780 [2021-11-23 15:30:55,516 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:30:55,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:30:55,517 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:30:55,517 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:30:55,527 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:52" (1/1) ... [2021-11-23 15:30:55,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:52" (1/1) ... [2021-11-23 15:30:56,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:52" (1/1) ... [2021-11-23 15:30:56,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:52" (1/1) ... [2021-11-23 15:30:57,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:52" (1/1) ... [2021-11-23 15:30:57,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:52" (1/1) ... [2021-11-23 15:30:58,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:52" (1/1) ... [2021-11-23 15:30:59,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:30:59,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:30:59,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:30:59,218 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:30:59,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:52" (1/1) ... [2021-11-23 15:30:59,228 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:30:59,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f84718-02ff-45b4-b821-49bc9e8febfd/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:30:59,256 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f84718-02ff-45b4-b821-49bc9e8febfd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:30:59,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f84718-02ff-45b4-b821-49bc9e8febfd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:30:59,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:30:59,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:30:59,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:30:59,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:30:59,493 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:30:59,494 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:31:39,481 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:31:39,646 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 15:31:39,650 INFO L158 Benchmark]: Toolchain (without parser) took 72133.05ms. Allocated memory was 497.0MB in the beginning and 8.1GB in the end (delta: 7.6GB). Free memory was 355.9MB in the beginning and 6.5GB in the end (delta: -6.1GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2021-11-23 15:31:39,651 INFO L158 Benchmark]: CDTParser took 1.80ms. Allocated memory is still 88.1MB. Free memory was 59.6MB in the beginning and 59.5MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:31:39,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 24612.01ms. Allocated memory was 497.0MB in the beginning and 2.9GB in the end (delta: 2.4GB). Free memory was 355.9MB in the beginning and 2.3GB in the end (delta: -1.9GB). Peak memory consumption was 775.9MB. Max. memory is 16.1GB. [2021-11-23 15:31:39,654 INFO L158 Benchmark]: Boogie Procedure Inliner took 3383.22ms. Allocated memory was 2.9GB in the beginning and 5.6GB in the end (delta: 2.6GB). Free memory was 2.3GB in the beginning and 4.5GB in the end (delta: -2.3GB). Peak memory consumption was 370.1MB. Max. memory is 16.1GB. [2021-11-23 15:31:39,655 INFO L158 Benchmark]: Boogie Preprocessor took 3697.66ms. Allocated memory is still 5.6GB. Free memory was 4.5GB in the beginning and 4.4GB in the end (delta: 173.0MB). Peak memory consumption was 412.1MB. Max. memory is 16.1GB. [2021-11-23 15:31:39,656 INFO L158 Benchmark]: RCFGBuilder took 40432.30ms. Allocated memory was 5.6GB in the beginning and 8.1GB in the end (delta: 2.5GB). Free memory was 4.4GB in the beginning and 6.5GB in the end (delta: -2.1GB). Peak memory consumption was 625.0MB. Max. memory is 16.1GB. [2021-11-23 15:31:39,660 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.80ms. Allocated memory is still 88.1MB. Free memory was 59.6MB in the beginning and 59.5MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 24612.01ms. Allocated memory was 497.0MB in the beginning and 2.9GB in the end (delta: 2.4GB). Free memory was 355.9MB in the beginning and 2.3GB in the end (delta: -1.9GB). Peak memory consumption was 775.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 3383.22ms. Allocated memory was 2.9GB in the beginning and 5.6GB in the end (delta: 2.6GB). Free memory was 2.3GB in the beginning and 4.5GB in the end (delta: -2.3GB). Peak memory consumption was 370.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 3697.66ms. Allocated memory is still 5.6GB. Free memory was 4.5GB in the beginning and 4.4GB in the end (delta: 173.0MB). Peak memory consumption was 412.1MB. Max. memory is 16.1GB. * RCFGBuilder took 40432.30ms. Allocated memory was 5.6GB in the beginning and 8.1GB in the end (delta: 2.5GB). Free memory was 4.4GB in the beginning and 6.5GB in the end (delta: -2.1GB). Peak memory consumption was 625.0MB. 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 15:31:39,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f84718-02ff-45b4-b821-49bc9e8febfd/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_20f84718-02ff-45b4-b821-49bc9e8febfd/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f84718-02ff-45b4-b821-49bc9e8febfd/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_20f84718-02ff-45b4-b821-49bc9e8febfd/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f84718-02ff-45b4-b821-49bc9e8febfd/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem101_label15.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f84718-02ff-45b4-b821-49bc9e8febfd/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_20f84718-02ff-45b4-b821-49bc9e8febfd/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 2eb75f7cdd6fa2aa701b8409e8bfad8928ca3b44cacc1da6b81625e795b2daea --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:31:42,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:31:42,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:31:42,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:31:42,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:31:42,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:31:42,459 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:31:42,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:31:42,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:31:42,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:31:42,479 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:31:42,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:31:42,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:31:42,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:31:42,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:31:42,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:31:42,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:31:42,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:31:42,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:31:42,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:31:42,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:31:42,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:31:42,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:31:42,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:31:42,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:31:42,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:31:42,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:31:42,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:31:42,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:31:42,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:31:42,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:31:42,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:31:42,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:31:42,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:31:42,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:31:42,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:31:42,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:31:42,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:31:42,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:31:42,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:31:42,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:31:42,556 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f84718-02ff-45b4-b821-49bc9e8febfd/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:31:42,618 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:31:42,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:31:42,620 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:31:42,620 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:31:42,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:31:42,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:31:42,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:31:42,623 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:31:42,623 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:31:42,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:31:42,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:31:42,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:31:42,626 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:31:42,626 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:31:42,626 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:31:42,626 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:31:42,627 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:31:42,627 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:31:42,627 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:31:42,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:31:42,628 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:31:42,628 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:31:42,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:31:42,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:31:42,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:31:42,629 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:31:42,630 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:31:42,630 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:31:42,630 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:31:42,630 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:31:42,631 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:31:42,631 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:31:42,632 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_20f84718-02ff-45b4-b821-49bc9e8febfd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f84718-02ff-45b4-b821-49bc9e8febfd/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2eb75f7cdd6fa2aa701b8409e8bfad8928ca3b44cacc1da6b81625e795b2daea [2021-11-23 15:31:43,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:31:43,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:31:43,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:31:43,135 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:31:43,136 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:31:43,137 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f84718-02ff-45b4-b821-49bc9e8febfd/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-programs/Problem101_label15.c [2021-11-23 15:31:43,223 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f84718-02ff-45b4-b821-49bc9e8febfd/bin/ukojak-CwSLpZB5Qu/data/7f6b161f5/1c025fd0eb0d48c2b21db200b17796a5/FLAG1bd9b9efc [2021-11-23 15:31:46,960 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:31:46,961 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f84718-02ff-45b4-b821-49bc9e8febfd/sv-benchmarks/c/eca-programs/Problem101_label15.c [2021-11-23 15:31:47,137 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f84718-02ff-45b4-b821-49bc9e8febfd/bin/ukojak-CwSLpZB5Qu/data/7f6b161f5/1c025fd0eb0d48c2b21db200b17796a5/FLAG1bd9b9efc [2021-11-23 15:31:47,233 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f84718-02ff-45b4-b821-49bc9e8febfd/bin/ukojak-CwSLpZB5Qu/data/7f6b161f5/1c025fd0eb0d48c2b21db200b17796a5 [2021-11-23 15:31:47,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:31:47,238 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:31:47,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:47,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:31:47,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:31:47,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:47" (1/1) ... [2021-11-23 15:31:47,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb6c404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:47, skipping insertion in model container [2021-11-23 15:31:47,248 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:47" (1/1) ... [2021-11-23 15:31:47,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:31:49,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:32:02,832 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_20f84718-02ff-45b4-b821-49bc9e8febfd/sv-benchmarks/c/eca-programs/Problem101_label15.c[2770376,2770389] [2021-11-23 15:32:02,904 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:32:02,918 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:32:10,665 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_20f84718-02ff-45b4-b821-49bc9e8febfd/sv-benchmarks/c/eca-programs/Problem101_label15.c[2770376,2770389] [2021-11-23 15:32:10,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:32:11,746 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:32:11,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:11 WrapperNode [2021-11-23 15:32:11,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:32:11,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:32:11,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:32:11,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:32:11,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:11" (1/1) ... [2021-11-23 15:32:12,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:11" (1/1) ... [2021-11-23 15:32:15,353 INFO L137 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83733 [2021-11-23 15:32:15,353 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:32:15,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:32:15,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:32:15,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:32:15,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:11" (1/1) ... [2021-11-23 15:32:15,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:11" (1/1) ... [2021-11-23 15:32:16,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:11" (1/1) ... [2021-11-23 15:32:16,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:11" (1/1) ... [2021-11-23 15:32:17,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:11" (1/1) ... [2021-11-23 15:32:18,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:11" (1/1) ... [2021-11-23 15:32:18,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:11" (1/1) ... [2021-11-23 15:32:19,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:32:19,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:32:19,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:32:19,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:32:19,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:11" (1/1) ... [2021-11-23 15:32:19,193 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:32:19,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f84718-02ff-45b4-b821-49bc9e8febfd/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:32:19,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f84718-02ff-45b4-b821-49bc9e8febfd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:32:19,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f84718-02ff-45b4-b821-49bc9e8febfd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:32:19,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:32:19,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:32:19,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:32:19,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:32:19,409 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:32:19,410 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:33:20,316 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:33:20,481 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 15:33:20,491 INFO L158 Benchmark]: Toolchain (without parser) took 93250.07ms. Allocated memory was 337.6MB in the beginning and 8.6GB in the end (delta: 8.3GB). Free memory was 182.8MB in the beginning and 6.8GB in the end (delta: -6.7GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2021-11-23 15:33:20,492 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 58.7MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:20,494 INFO L158 Benchmark]: CACSL2BoogieTranslator took 24506.60ms. Allocated memory was 337.6MB in the beginning and 2.8GB in the end (delta: 2.5GB). Free memory was 182.8MB in the beginning and 2.1GB in the end (delta: -1.9GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2021-11-23 15:33:20,496 INFO L158 Benchmark]: Boogie Procedure Inliner took 3606.01ms. Allocated memory was 2.8GB in the beginning and 5.6GB in the end (delta: 2.8GB). Free memory was 2.1GB in the beginning and 4.5GB in the end (delta: -2.4GB). Peak memory consumption was 393.2MB. Max. memory is 16.1GB. [2021-11-23 15:33:20,497 INFO L158 Benchmark]: Boogie Preprocessor took 3828.79ms. Allocated memory is still 5.6GB. Free memory was 4.5GB in the beginning and 4.4GB in the end (delta: 166.7MB). Peak memory consumption was 364.9MB. Max. memory is 16.1GB. [2021-11-23 15:33:20,499 INFO L158 Benchmark]: RCFGBuilder took 61303.52ms. Allocated memory was 5.6GB in the beginning and 8.6GB in the end (delta: 3.0GB). Free memory was 4.4GB in the beginning and 6.8GB in the end (delta: -2.5GB). Peak memory consumption was 615.5MB. Max. memory is 16.1GB. [2021-11-23 15:33:20,510 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 58.7MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 24506.60ms. Allocated memory was 337.6MB in the beginning and 2.8GB in the end (delta: 2.5GB). Free memory was 182.8MB in the beginning and 2.1GB in the end (delta: -1.9GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 3606.01ms. Allocated memory was 2.8GB in the beginning and 5.6GB in the end (delta: 2.8GB). Free memory was 2.1GB in the beginning and 4.5GB in the end (delta: -2.4GB). Peak memory consumption was 393.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 3828.79ms. Allocated memory is still 5.6GB. Free memory was 4.5GB in the beginning and 4.4GB in the end (delta: 166.7MB). Peak memory consumption was 364.9MB. Max. memory is 16.1GB. * RCFGBuilder took 61303.52ms. Allocated memory was 5.6GB in the beginning and 8.6GB in the end (delta: 3.0GB). Free memory was 4.4GB in the beginning and 6.8GB in the end (delta: -2.5GB). Peak memory consumption was 615.5MB. 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 15:33:20,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f84718-02ff-45b4-b821-49bc9e8febfd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable