./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem101_label20.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_962070aa-e7b7-43fb-8624-32293bcbe3e7/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962070aa-e7b7-43fb-8624-32293bcbe3e7/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_962070aa-e7b7-43fb-8624-32293bcbe3e7/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962070aa-e7b7-43fb-8624-32293bcbe3e7/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem101_label20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962070aa-e7b7-43fb-8624-32293bcbe3e7/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_962070aa-e7b7-43fb-8624-32293bcbe3e7/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 29d6a971fe1c57642985ba3a8a9a876e2745ba1ba1e8ec89c36172a2a1c9e3b4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:34:33,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:34:33,266 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:34:33,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:34:33,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:34:33,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:34:33,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:34:33,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:34:33,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:34:33,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:34:33,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:34:33,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:34:33,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:34:33,329 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:34:33,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:34:33,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:34:33,337 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:34:33,338 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:34:33,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:34:33,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:34:33,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:34:33,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:34:33,355 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:34:33,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:34:33,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:34:33,362 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:34:33,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:34:33,364 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:34:33,364 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:34:33,366 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:34:33,367 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:34:33,368 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:34:33,369 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:34:33,370 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:34:33,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:34:33,373 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:34:33,374 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:34:33,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:34:33,375 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:34:33,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:34:33,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:34:33,379 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962070aa-e7b7-43fb-8624-32293bcbe3e7/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:34:33,420 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:34:33,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:34:33,421 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:34:33,422 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:34:33,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:34:33,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:34:33,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:34:33,424 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:34:33,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:34:33,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:34:33,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:34:33,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:34:33,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:34:33,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:34:33,427 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:34:33,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:34:33,428 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:34:33,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:34:33,429 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:34:33,430 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:34:33,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:34:33,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:34:33,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:34:33,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:34:33,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:34:33,432 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:34:33,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:34:33,432 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:34:33,432 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_962070aa-e7b7-43fb-8624-32293bcbe3e7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962070aa-e7b7-43fb-8624-32293bcbe3e7/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29d6a971fe1c57642985ba3a8a9a876e2745ba1ba1e8ec89c36172a2a1c9e3b4 [2021-11-23 15:34:33,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:34:33,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:34:33,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:34:33,770 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:34:33,771 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:34:33,773 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962070aa-e7b7-43fb-8624-32293bcbe3e7/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-programs/Problem101_label20.c [2021-11-23 15:34:33,855 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962070aa-e7b7-43fb-8624-32293bcbe3e7/bin/ukojak-CwSLpZB5Qu/data/38f0837ae/e9b2e412f04e46c5b3ab8ec998951462/FLAG4455ed031 [2021-11-23 15:34:36,946 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:34:36,947 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962070aa-e7b7-43fb-8624-32293bcbe3e7/sv-benchmarks/c/eca-programs/Problem101_label20.c [2021-11-23 15:34:37,162 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962070aa-e7b7-43fb-8624-32293bcbe3e7/bin/ukojak-CwSLpZB5Qu/data/38f0837ae/e9b2e412f04e46c5b3ab8ec998951462/FLAG4455ed031 [2021-11-23 15:34:37,255 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962070aa-e7b7-43fb-8624-32293bcbe3e7/bin/ukojak-CwSLpZB5Qu/data/38f0837ae/e9b2e412f04e46c5b3ab8ec998951462 [2021-11-23 15:34:37,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:34:37,265 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:34:37,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:34:37,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:34:37,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:34:37,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:34:37" (1/1) ... [2021-11-23 15:34:37,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4050500d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:37, skipping insertion in model container [2021-11-23 15:34:37,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:34:37" (1/1) ... [2021-11-23 15:34:37,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:34:38,644 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:34:51,903 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_962070aa-e7b7-43fb-8624-32293bcbe3e7/sv-benchmarks/c/eca-programs/Problem101_label20.c[2769356,2769369] [2021-11-23 15:34:51,981 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:34:52,093 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:34:59,347 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_962070aa-e7b7-43fb-8624-32293bcbe3e7/sv-benchmarks/c/eca-programs/Problem101_label20.c[2769356,2769369] [2021-11-23 15:34:59,359 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:35:00,132 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:35:00,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:00 WrapperNode [2021-11-23 15:35:00,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:35:00,134 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:35:00,134 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:35:00,134 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:35:00,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:00" (1/1) ... [2021-11-23 15:35:01,252 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:00" (1/1) ... [2021-11-23 15:35:04,076 INFO L137 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83780 [2021-11-23 15:35:04,077 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:35:04,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:35:04,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:35:04,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:35:04,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:00" (1/1) ... [2021-11-23 15:35:04,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:00" (1/1) ... [2021-11-23 15:35:04,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:00" (1/1) ... [2021-11-23 15:35:04,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:00" (1/1) ... [2021-11-23 15:35:05,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:00" (1/1) ... [2021-11-23 15:35:05,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:00" (1/1) ... [2021-11-23 15:35:06,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:00" (1/1) ... [2021-11-23 15:35:06,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:35:06,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:35:06,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:35:06,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:35:06,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:00" (1/1) ... [2021-11-23 15:35:06,698 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:35:06,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962070aa-e7b7-43fb-8624-32293bcbe3e7/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:35:06,723 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962070aa-e7b7-43fb-8624-32293bcbe3e7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:35:06,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962070aa-e7b7-43fb-8624-32293bcbe3e7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:35:06,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:35:06,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:35:06,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:35:06,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:35:06,895 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:35:06,897 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:35:45,270 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:35:45,411 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 15:35:45,416 INFO L158 Benchmark]: Toolchain (without parser) took 68150.17ms. Allocated memory was 289.4MB in the beginning and 9.0GB in the end (delta: 8.7GB). Free memory was 172.2MB in the beginning and 7.3GB in the end (delta: -7.1GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2021-11-23 15:35:45,417 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 102.8MB. Free memory was 60.0MB in the beginning and 59.9MB in the end (delta: 91.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:35:45,418 INFO L158 Benchmark]: CACSL2BoogieTranslator took 22866.10ms. Allocated memory was 289.4MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 172.2MB in the beginning and 619.0MB in the end (delta: -446.8MB). Peak memory consumption was 656.5MB. Max. memory is 16.1GB. [2021-11-23 15:35:45,419 INFO L158 Benchmark]: Boogie Procedure Inliner took 3943.30ms. Allocated memory was 1.4GB in the beginning and 5.1GB in the end (delta: 3.7GB). Free memory was 619.0MB in the beginning and 4.2GB in the end (delta: -3.6GB). Peak memory consumption was 411.0MB. Max. memory is 16.1GB. [2021-11-23 15:35:45,420 INFO L158 Benchmark]: Boogie Preprocessor took 2600.32ms. Allocated memory is still 5.1GB. Free memory was 4.2GB in the beginning and 3.9GB in the end (delta: 285.2MB). Peak memory consumption was 376.4MB. Max. memory is 16.1GB. [2021-11-23 15:35:45,421 INFO L158 Benchmark]: RCFGBuilder took 38735.18ms. Allocated memory was 5.1GB in the beginning and 9.0GB in the end (delta: 3.9GB). Free memory was 3.9GB in the beginning and 7.3GB in the end (delta: -3.4GB). Peak memory consumption was 589.3MB. Max. memory is 16.1GB. [2021-11-23 15:35:45,425 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 102.8MB. Free memory was 60.0MB in the beginning and 59.9MB in the end (delta: 91.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 22866.10ms. Allocated memory was 289.4MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 172.2MB in the beginning and 619.0MB in the end (delta: -446.8MB). Peak memory consumption was 656.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 3943.30ms. Allocated memory was 1.4GB in the beginning and 5.1GB in the end (delta: 3.7GB). Free memory was 619.0MB in the beginning and 4.2GB in the end (delta: -3.6GB). Peak memory consumption was 411.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2600.32ms. Allocated memory is still 5.1GB. Free memory was 4.2GB in the beginning and 3.9GB in the end (delta: 285.2MB). Peak memory consumption was 376.4MB. Max. memory is 16.1GB. * RCFGBuilder took 38735.18ms. Allocated memory was 5.1GB in the beginning and 9.0GB in the end (delta: 3.9GB). Free memory was 3.9GB in the beginning and 7.3GB in the end (delta: -3.4GB). Peak memory consumption was 589.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:35:45,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962070aa-e7b7-43fb-8624-32293bcbe3e7/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_962070aa-e7b7-43fb-8624-32293bcbe3e7/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962070aa-e7b7-43fb-8624-32293bcbe3e7/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_962070aa-e7b7-43fb-8624-32293bcbe3e7/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962070aa-e7b7-43fb-8624-32293bcbe3e7/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem101_label20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962070aa-e7b7-43fb-8624-32293bcbe3e7/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_962070aa-e7b7-43fb-8624-32293bcbe3e7/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 29d6a971fe1c57642985ba3a8a9a876e2745ba1ba1e8ec89c36172a2a1c9e3b4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:35:47,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:35:47,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:35:47,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:35:47,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:35:47,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:35:47,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:35:47,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:35:47,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:35:47,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:35:47,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:35:47,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:35:47,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:35:47,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:35:47,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:35:47,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:35:47,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:35:47,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:35:47,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:35:47,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:35:47,970 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:35:47,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:35:47,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:35:47,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:35:47,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:35:47,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:35:47,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:35:47,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:35:47,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:35:47,983 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:35:47,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:35:47,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:35:47,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:35:47,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:35:47,988 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:35:47,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:35:47,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:35:47,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:35:47,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:35:47,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:35:47,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:35:47,994 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962070aa-e7b7-43fb-8624-32293bcbe3e7/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:35:48,020 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:35:48,027 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:35:48,028 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:35:48,030 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:35:48,031 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:35:48,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:35:48,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:35:48,032 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:35:48,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:35:48,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:35:48,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:35:48,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:35:48,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:35:48,035 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:35:48,035 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:35:48,036 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:35:48,036 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:35:48,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:35:48,037 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:35:48,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:35:48,037 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:35:48,037 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:35:48,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:35:48,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:35:48,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:35:48,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:35:48,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:35:48,039 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:35:48,040 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:35:48,040 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:35:48,040 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:35:48,040 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:35:48,041 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_962070aa-e7b7-43fb-8624-32293bcbe3e7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962070aa-e7b7-43fb-8624-32293bcbe3e7/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29d6a971fe1c57642985ba3a8a9a876e2745ba1ba1e8ec89c36172a2a1c9e3b4 [2021-11-23 15:35:48,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:35:48,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:35:48,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:35:48,474 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:35:48,475 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:35:48,477 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962070aa-e7b7-43fb-8624-32293bcbe3e7/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-programs/Problem101_label20.c [2021-11-23 15:35:48,556 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962070aa-e7b7-43fb-8624-32293bcbe3e7/bin/ukojak-CwSLpZB5Qu/data/8ce4525e7/55402aaba29341b3998516525060fcb9/FLAG6ab211be2 [2021-11-23 15:35:52,081 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:35:52,082 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962070aa-e7b7-43fb-8624-32293bcbe3e7/sv-benchmarks/c/eca-programs/Problem101_label20.c [2021-11-23 15:35:52,254 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962070aa-e7b7-43fb-8624-32293bcbe3e7/bin/ukojak-CwSLpZB5Qu/data/8ce4525e7/55402aaba29341b3998516525060fcb9/FLAG6ab211be2 [2021-11-23 15:35:52,431 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962070aa-e7b7-43fb-8624-32293bcbe3e7/bin/ukojak-CwSLpZB5Qu/data/8ce4525e7/55402aaba29341b3998516525060fcb9 [2021-11-23 15:35:52,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:35:52,435 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:35:52,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:35:52,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:35:52,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:35:52,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:35:52" (1/1) ... [2021-11-23 15:35:52,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b0fac2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:52, skipping insertion in model container [2021-11-23 15:35:52,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:35:52" (1/1) ... [2021-11-23 15:35:52,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:35:53,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:36:06,095 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_962070aa-e7b7-43fb-8624-32293bcbe3e7/sv-benchmarks/c/eca-programs/Problem101_label20.c[2769356,2769369] [2021-11-23 15:36:06,178 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:36:06,191 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:36:13,227 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_962070aa-e7b7-43fb-8624-32293bcbe3e7/sv-benchmarks/c/eca-programs/Problem101_label20.c[2769356,2769369] [2021-11-23 15:36:13,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:36:14,071 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:36:14,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:14 WrapperNode [2021-11-23 15:36:14,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:36:14,072 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:36:14,072 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:36:14,072 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:36:14,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:14" (1/1) ... [2021-11-23 15:36:14,955 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:14" (1/1) ... [2021-11-23 15:36:18,310 INFO L137 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83733 [2021-11-23 15:36:18,311 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:36:18,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:36:18,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:36:18,312 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:36:18,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:14" (1/1) ... [2021-11-23 15:36:18,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:14" (1/1) ... [2021-11-23 15:36:18,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:14" (1/1) ... [2021-11-23 15:36:18,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:14" (1/1) ... [2021-11-23 15:36:20,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:14" (1/1) ... [2021-11-23 15:36:20,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:14" (1/1) ... [2021-11-23 15:36:20,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:14" (1/1) ... [2021-11-23 15:36:21,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:36:21,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:36:21,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:36:21,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:36:21,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:36:14" (1/1) ... [2021-11-23 15:36:21,354 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:36:21,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962070aa-e7b7-43fb-8624-32293bcbe3e7/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:36:21,378 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962070aa-e7b7-43fb-8624-32293bcbe3e7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:36:21,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962070aa-e7b7-43fb-8624-32293bcbe3e7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:36:21,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:36:21,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:36:21,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:36:21,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:36:21,595 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:36:21,596 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:37:15,457 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:37:15,623 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 15:37:15,628 INFO L158 Benchmark]: Toolchain (without parser) took 83191.83ms. Allocated memory was 411.0MB in the beginning and 7.9GB in the end (delta: 7.5GB). Free memory was 247.5MB in the beginning and 6.5GB in the end (delta: -6.2GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2021-11-23 15:37:15,629 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 71.3MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:37:15,630 INFO L158 Benchmark]: CACSL2BoogieTranslator took 21635.22ms. Allocated memory was 411.0MB in the beginning and 2.5GB in the end (delta: 2.1GB). Free memory was 247.5MB in the beginning and 1.8GB in the end (delta: -1.5GB). Peak memory consumption was 907.0MB. Max. memory is 16.1GB. [2021-11-23 15:37:15,631 INFO L158 Benchmark]: Boogie Procedure Inliner took 4238.70ms. Allocated memory was 2.5GB in the beginning and 5.0GB in the end (delta: 2.5GB). Free memory was 1.8GB in the beginning and 4.1GB in the end (delta: -2.3GB). Peak memory consumption was 355.5MB. Max. memory is 16.1GB. [2021-11-23 15:37:15,632 INFO L158 Benchmark]: Boogie Preprocessor took 3025.89ms. Allocated memory is still 5.0GB. Free memory was 4.1GB in the beginning and 3.8GB in the end (delta: 291.5MB). Peak memory consumption was 311.4MB. Max. memory is 16.1GB. [2021-11-23 15:37:15,633 INFO L158 Benchmark]: RCFGBuilder took 54287.10ms. Allocated memory was 5.0GB in the beginning and 7.9GB in the end (delta: 2.9GB). Free memory was 3.8GB in the beginning and 6.5GB in the end (delta: -2.7GB). Peak memory consumption was 566.2MB. Max. memory is 16.1GB. [2021-11-23 15:37:15,637 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 71.3MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 21635.22ms. Allocated memory was 411.0MB in the beginning and 2.5GB in the end (delta: 2.1GB). Free memory was 247.5MB in the beginning and 1.8GB in the end (delta: -1.5GB). Peak memory consumption was 907.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 4238.70ms. Allocated memory was 2.5GB in the beginning and 5.0GB in the end (delta: 2.5GB). Free memory was 1.8GB in the beginning and 4.1GB in the end (delta: -2.3GB). Peak memory consumption was 355.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 3025.89ms. Allocated memory is still 5.0GB. Free memory was 4.1GB in the beginning and 3.8GB in the end (delta: 291.5MB). Peak memory consumption was 311.4MB. Max. memory is 16.1GB. * RCFGBuilder took 54287.10ms. Allocated memory was 5.0GB in the beginning and 7.9GB in the end (delta: 2.9GB). Free memory was 3.8GB in the beginning and 6.5GB in the end (delta: -2.7GB). Peak memory consumption was 566.2MB. 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 15:37:15,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_962070aa-e7b7-43fb-8624-32293bcbe3e7/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