./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem06_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_a63b8652-8da9-41b4-8a8a-903eb2655433/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63b8652-8da9-41b4-8a8a-903eb2655433/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_a63b8652-8da9-41b4-8a8a-903eb2655433/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63b8652-8da9-41b4-8a8a-903eb2655433/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem06_label15.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63b8652-8da9-41b4-8a8a-903eb2655433/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_a63b8652-8da9-41b4-8a8a-903eb2655433/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 a36b9619057b050e54f4a59ae6edf09bba8aa75313bf1425e65828d587959f9b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:03:46,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:03:46,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:03:46,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:03:46,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:03:46,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:03:46,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:03:46,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:03:46,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:03:46,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:03:46,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:03:46,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:03:46,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:03:46,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:03:46,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:03:46,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:03:46,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:03:46,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:03:46,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:03:46,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:03:46,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:03:46,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:03:46,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:03:46,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:03:46,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:03:46,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:03:46,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:03:46,428 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:03:46,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:03:46,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:03:46,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:03:46,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:03:46,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:03:46,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:03:46,437 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:03:46,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:03:46,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:03:46,439 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:03:46,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:03:46,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:03:46,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:03:46,442 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63b8652-8da9-41b4-8a8a-903eb2655433/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:03:46,482 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:03:46,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:03:46,484 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:03:46,485 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:03:46,485 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:03:46,486 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:03:46,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:03:46,486 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:03:46,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:03:46,486 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:03:46,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:03:46,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:03:46,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:03:46,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:03:46,488 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:03:46,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:03:46,489 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:03:46,489 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:03:46,489 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:03:46,489 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:03:46,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:03:46,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:46,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:03:46,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:03:46,490 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:03:46,491 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:03:46,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:03:46,491 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:03:46,491 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_a63b8652-8da9-41b4-8a8a-903eb2655433/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63b8652-8da9-41b4-8a8a-903eb2655433/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a36b9619057b050e54f4a59ae6edf09bba8aa75313bf1425e65828d587959f9b [2021-11-23 15:03:46,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:03:46,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:03:46,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:03:46,828 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:03:46,829 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:03:46,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63b8652-8da9-41b4-8a8a-903eb2655433/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem06_label15.c [2021-11-23 15:03:46,916 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63b8652-8da9-41b4-8a8a-903eb2655433/bin/ukojak-CwSLpZB5Qu/data/4c50b5f34/a0f8c88b519e4f4683479fb7b1db2cce/FLAG08d5903f5 [2021-11-23 15:03:47,901 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:03:47,902 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63b8652-8da9-41b4-8a8a-903eb2655433/sv-benchmarks/c/eca-rers2012/Problem06_label15.c [2021-11-23 15:03:47,960 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63b8652-8da9-41b4-8a8a-903eb2655433/bin/ukojak-CwSLpZB5Qu/data/4c50b5f34/a0f8c88b519e4f4683479fb7b1db2cce/FLAG08d5903f5 [2021-11-23 15:03:48,251 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63b8652-8da9-41b4-8a8a-903eb2655433/bin/ukojak-CwSLpZB5Qu/data/4c50b5f34/a0f8c88b519e4f4683479fb7b1db2cce [2021-11-23 15:03:48,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:03:48,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:03:48,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:48,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:03:48,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:03:48,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:48" (1/1) ... [2021-11-23 15:03:48,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b35263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:48, skipping insertion in model container [2021-11-23 15:03:48,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:48" (1/1) ... [2021-11-23 15:03:48,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:03:48,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:50,675 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63b8652-8da9-41b4-8a8a-903eb2655433/sv-benchmarks/c/eca-rers2012/Problem06_label15.c[332299,332312] [2021-11-23 15:03:50,700 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:50,710 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:03:51,904 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_a63b8652-8da9-41b4-8a8a-903eb2655433/sv-benchmarks/c/eca-rers2012/Problem06_label15.c[332299,332312] [2021-11-23 15:03:51,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:51,967 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:03:51,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:51 WrapperNode [2021-11-23 15:03:51,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:51,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:51,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:03:51,970 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:03:51,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:51" (1/1) ... [2021-11-23 15:03:52,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:51" (1/1) ... [2021-11-23 15:03:52,688 INFO L137 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 10173 [2021-11-23 15:03:52,688 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:52,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:03:52,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:03:52,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:03:52,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:51" (1/1) ... [2021-11-23 15:03:52,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:51" (1/1) ... [2021-11-23 15:03:52,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:51" (1/1) ... [2021-11-23 15:03:52,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:51" (1/1) ... [2021-11-23 15:03:53,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:51" (1/1) ... [2021-11-23 15:03:53,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:51" (1/1) ... [2021-11-23 15:03:53,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:51" (1/1) ... [2021-11-23 15:03:53,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:03:53,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:03:53,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:03:53,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:03:53,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:51" (1/1) ... [2021-11-23 15:03:53,273 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:53,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63b8652-8da9-41b4-8a8a-903eb2655433/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:03:53,295 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63b8652-8da9-41b4-8a8a-903eb2655433/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:03:53,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63b8652-8da9-41b4-8a8a-903eb2655433/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:03:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:03:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:03:53,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:03:53,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:03:53,465 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:03:53,466 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:03:59,897 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:03:59,989 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 15:04:00,000 INFO L158 Benchmark]: Toolchain (without parser) took 11741.83ms. Allocated memory was 104.9MB in the beginning and 681.6MB in the end (delta: 576.7MB). Free memory was 71.0MB in the beginning and 471.1MB in the end (delta: -400.2MB). Peak memory consumption was 381.6MB. Max. memory is 16.1GB. [2021-11-23 15:04:00,001 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory was 84.1MB in the beginning and 83.9MB in the end (delta: 184.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:00,003 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3711.09ms. Allocated memory was 104.9MB in the beginning and 188.7MB in the end (delta: 83.9MB). Free memory was 71.0MB in the beginning and 81.7MB in the end (delta: -10.7MB). Peak memory consumption was 92.9MB. Max. memory is 16.1GB. [2021-11-23 15:04:00,004 INFO L158 Benchmark]: Boogie Procedure Inliner took 720.09ms. Allocated memory is still 188.7MB. Free memory was 81.7MB in the beginning and 64.3MB in the end (delta: 17.4MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. [2021-11-23 15:04:00,005 INFO L158 Benchmark]: Boogie Preprocessor took 572.62ms. Allocated memory was 188.7MB in the beginning and 377.5MB in the end (delta: 188.7MB). Free memory was 64.3MB in the beginning and 224.7MB in the end (delta: -160.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-11-23 15:04:00,006 INFO L158 Benchmark]: RCFGBuilder took 6733.22ms. Allocated memory was 377.5MB in the beginning and 681.6MB in the end (delta: 304.1MB). Free memory was 224.7MB in the beginning and 471.1MB in the end (delta: -246.4MB). Peak memory consumption was 263.0MB. Max. memory is 16.1GB. [2021-11-23 15:04:00,015 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory was 84.1MB in the beginning and 83.9MB in the end (delta: 184.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3711.09ms. Allocated memory was 104.9MB in the beginning and 188.7MB in the end (delta: 83.9MB). Free memory was 71.0MB in the beginning and 81.7MB in the end (delta: -10.7MB). Peak memory consumption was 92.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 720.09ms. Allocated memory is still 188.7MB. Free memory was 81.7MB in the beginning and 64.3MB in the end (delta: 17.4MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 572.62ms. Allocated memory was 188.7MB in the beginning and 377.5MB in the end (delta: 188.7MB). Free memory was 64.3MB in the beginning and 224.7MB in the end (delta: -160.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * RCFGBuilder took 6733.22ms. Allocated memory was 377.5MB in the beginning and 681.6MB in the end (delta: 304.1MB). Free memory was 224.7MB in the beginning and 471.1MB in the end (delta: -246.4MB). Peak memory consumption was 263.0MB. 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 15:04:00,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63b8652-8da9-41b4-8a8a-903eb2655433/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63b8652-8da9-41b4-8a8a-903eb2655433/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63b8652-8da9-41b4-8a8a-903eb2655433/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_a63b8652-8da9-41b4-8a8a-903eb2655433/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63b8652-8da9-41b4-8a8a-903eb2655433/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem06_label15.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63b8652-8da9-41b4-8a8a-903eb2655433/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_a63b8652-8da9-41b4-8a8a-903eb2655433/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 a36b9619057b050e54f4a59ae6edf09bba8aa75313bf1425e65828d587959f9b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:02,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:02,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:02,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:02,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:02,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:02,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:02,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:02,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:02,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:02,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:02,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:02,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:02,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:02,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:02,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:02,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:02,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:02,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:02,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:02,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:02,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:02,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:02,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:02,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:02,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:02,664 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:02,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:02,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:02,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:02,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:02,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:02,671 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:02,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:02,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:02,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:02,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:02,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:02,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:02,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:02,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:02,680 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63b8652-8da9-41b4-8a8a-903eb2655433/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:04:02,739 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:02,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:02,741 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:02,742 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:02,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:02,743 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:02,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:02,744 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:02,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:02,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:02,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:02,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:02,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:02,746 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:04:02,746 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:04:02,746 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:04:02,747 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:02,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:02,747 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:02,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:02,748 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:02,748 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:02,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:02,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:02,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:02,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:02,749 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:02,749 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:04:02,749 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:04:02,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:02,750 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:04:02,750 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:04:02,751 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_a63b8652-8da9-41b4-8a8a-903eb2655433/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63b8652-8da9-41b4-8a8a-903eb2655433/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a36b9619057b050e54f4a59ae6edf09bba8aa75313bf1425e65828d587959f9b [2021-11-23 15:04:03,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:03,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:03,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:03,125 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:03,126 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:03,129 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63b8652-8da9-41b4-8a8a-903eb2655433/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem06_label15.c [2021-11-23 15:04:03,193 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63b8652-8da9-41b4-8a8a-903eb2655433/bin/ukojak-CwSLpZB5Qu/data/b740c0fd4/4a53647b23064d7080531f9dc1f42dd6/FLAGdecfd7df0 [2021-11-23 15:04:04,195 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:04,197 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63b8652-8da9-41b4-8a8a-903eb2655433/sv-benchmarks/c/eca-rers2012/Problem06_label15.c [2021-11-23 15:04:04,254 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63b8652-8da9-41b4-8a8a-903eb2655433/bin/ukojak-CwSLpZB5Qu/data/b740c0fd4/4a53647b23064d7080531f9dc1f42dd6/FLAGdecfd7df0 [2021-11-23 15:04:04,548 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63b8652-8da9-41b4-8a8a-903eb2655433/bin/ukojak-CwSLpZB5Qu/data/b740c0fd4/4a53647b23064d7080531f9dc1f42dd6 [2021-11-23 15:04:04,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:04,553 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:04,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:04,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:04,559 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:04,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:04" (1/1) ... [2021-11-23 15:04:04,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f4f5307 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:04, skipping insertion in model container [2021-11-23 15:04:04,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:04" (1/1) ... [2021-11-23 15:04:04,570 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:04,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:06,884 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_a63b8652-8da9-41b4-8a8a-903eb2655433/sv-benchmarks/c/eca-rers2012/Problem06_label15.c[332299,332312] [2021-11-23 15:04:06,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:06,927 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:08,223 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_a63b8652-8da9-41b4-8a8a-903eb2655433/sv-benchmarks/c/eca-rers2012/Problem06_label15.c[332299,332312] [2021-11-23 15:04:08,234 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:08,291 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:08,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:08 WrapperNode [2021-11-23 15:04:08,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:08,293 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:08,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:08,293 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:08,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:08" (1/1) ... [2021-11-23 15:04:08,399 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:08" (1/1) ... [2021-11-23 15:04:08,801 INFO L137 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 10167 [2021-11-23 15:04:08,802 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:08,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:08,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:08,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:08,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:08" (1/1) ... [2021-11-23 15:04:08,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:08" (1/1) ... [2021-11-23 15:04:08,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:08" (1/1) ... [2021-11-23 15:04:08,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:08" (1/1) ... [2021-11-23 15:04:09,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:08" (1/1) ... [2021-11-23 15:04:09,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:08" (1/1) ... [2021-11-23 15:04:09,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:08" (1/1) ... [2021-11-23 15:04:09,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:09,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:09,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:09,458 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:09,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:08" (1/1) ... [2021-11-23 15:04:09,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:09,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63b8652-8da9-41b4-8a8a-903eb2655433/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:09,494 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63b8652-8da9-41b4-8a8a-903eb2655433/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:09,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63b8652-8da9-41b4-8a8a-903eb2655433/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:09,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:09,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:04:09,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:09,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:09,661 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:09,663 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:18,289 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:18,352 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 15:04:18,357 INFO L158 Benchmark]: Toolchain (without parser) took 13802.38ms. Allocated memory was 69.2MB in the beginning and 704.6MB in the end (delta: 635.4MB). Free memory was 38.2MB in the beginning and 349.5MB in the end (delta: -311.3MB). Peak memory consumption was 323.9MB. Max. memory is 16.1GB. [2021-11-23 15:04:18,357 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 69.2MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:18,358 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3736.73ms. Allocated memory was 69.2MB in the beginning and 176.2MB in the end (delta: 107.0MB). Free memory was 37.9MB in the beginning and 81.0MB in the end (delta: -43.1MB). Peak memory consumption was 81.6MB. Max. memory is 16.1GB. [2021-11-23 15:04:18,359 INFO L158 Benchmark]: Boogie Procedure Inliner took 509.06ms. Allocated memory is still 176.2MB. Free memory was 81.0MB in the beginning and 52.0MB in the end (delta: 29.0MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. [2021-11-23 15:04:18,360 INFO L158 Benchmark]: Boogie Preprocessor took 653.49ms. Allocated memory was 176.2MB in the beginning and 352.3MB in the end (delta: 176.2MB). Free memory was 52.0MB in the beginning and 212.1MB in the end (delta: -160.1MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:18,361 INFO L158 Benchmark]: RCFGBuilder took 8896.50ms. Allocated memory was 352.3MB in the beginning and 704.6MB in the end (delta: 352.3MB). Free memory was 212.1MB in the beginning and 349.5MB in the end (delta: -137.3MB). Peak memory consumption was 215.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:18,365 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 69.2MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3736.73ms. Allocated memory was 69.2MB in the beginning and 176.2MB in the end (delta: 107.0MB). Free memory was 37.9MB in the beginning and 81.0MB in the end (delta: -43.1MB). Peak memory consumption was 81.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 509.06ms. Allocated memory is still 176.2MB. Free memory was 81.0MB in the beginning and 52.0MB in the end (delta: 29.0MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 653.49ms. Allocated memory was 176.2MB in the beginning and 352.3MB in the end (delta: 176.2MB). Free memory was 52.0MB in the beginning and 212.1MB in the end (delta: -160.1MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * RCFGBuilder took 8896.50ms. Allocated memory was 352.3MB in the beginning and 704.6MB in the end (delta: 352.3MB). Free memory was 212.1MB in the beginning and 349.5MB in the end (delta: -137.3MB). Peak memory consumption was 215.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:04:18,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a63b8652-8da9-41b4-8a8a-903eb2655433/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