./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem102_label06.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_d29b7913-4e75-4aea-a502-6b123fe31c9e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b7913-4e75-4aea-a502-6b123fe31c9e/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_d29b7913-4e75-4aea-a502-6b123fe31c9e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b7913-4e75-4aea-a502-6b123fe31c9e/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b7913-4e75-4aea-a502-6b123fe31c9e/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_d29b7913-4e75-4aea-a502-6b123fe31c9e/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 9af135c72685086c60c5dc79516b2d3aff3f38ab7f7eb97bbe7d7334d5f78c48 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:45:28,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:45:28,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:45:28,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:45:28,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:45:28,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:45:28,313 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:45:28,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:45:28,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:45:28,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:45:28,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:45:28,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:45:28,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:45:28,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:45:28,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:45:28,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:45:28,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:45:28,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:45:28,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:45:28,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:45:28,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:45:28,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:45:28,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:45:28,341 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:45:28,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:45:28,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:45:28,354 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:45:28,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:45:28,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:45:28,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:45:28,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:45:28,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:45:28,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:45:28,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:45:28,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:45:28,364 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:45:28,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:45:28,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:45:28,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:45:28,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:45:28,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:45:28,369 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b7913-4e75-4aea-a502-6b123fe31c9e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:45:28,407 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:45:28,408 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:45:28,409 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:45:28,409 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:45:28,410 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:45:28,410 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:45:28,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:45:28,411 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:45:28,417 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:45:28,418 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:45:28,419 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:45:28,419 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:45:28,419 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:45:28,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:45:28,420 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:45:28,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:45:28,420 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:45:28,420 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:45:28,421 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:45:28,421 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:45:28,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:45:28,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:28,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:45:28,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:45:28,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:45:28,422 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:45:28,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:45:28,423 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:45:28,423 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_d29b7913-4e75-4aea-a502-6b123fe31c9e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b7913-4e75-4aea-a502-6b123fe31c9e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9af135c72685086c60c5dc79516b2d3aff3f38ab7f7eb97bbe7d7334d5f78c48 [2021-11-23 15:45:28,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:45:28,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:45:28,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:45:28,691 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:45:28,692 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:45:28,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b7913-4e75-4aea-a502-6b123fe31c9e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-programs/Problem102_label06.c [2021-11-23 15:45:28,760 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b7913-4e75-4aea-a502-6b123fe31c9e/bin/ukojak-CwSLpZB5Qu/data/215fbfffe/52020ce2798b493fb4116a9a20ff5f7c/FLAGc71ecbf9d [2021-11-23 15:45:32,076 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:45:32,077 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b7913-4e75-4aea-a502-6b123fe31c9e/sv-benchmarks/c/eca-programs/Problem102_label06.c [2021-11-23 15:45:32,349 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b7913-4e75-4aea-a502-6b123fe31c9e/bin/ukojak-CwSLpZB5Qu/data/215fbfffe/52020ce2798b493fb4116a9a20ff5f7c/FLAGc71ecbf9d [2021-11-23 15:45:32,620 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b7913-4e75-4aea-a502-6b123fe31c9e/bin/ukojak-CwSLpZB5Qu/data/215fbfffe/52020ce2798b493fb4116a9a20ff5f7c [2021-11-23 15:45:32,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:45:32,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:45:32,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:32,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:45:32,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:45:32,634 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:32" (1/1) ... [2021-11-23 15:45:32,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68d54c85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:32, skipping insertion in model container [2021-11-23 15:45:32,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:32" (1/1) ... [2021-11-23 15:45:32,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:45:34,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:45:59,979 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_d29b7913-4e75-4aea-a502-6b123fe31c9e/sv-benchmarks/c/eca-programs/Problem102_label06.c[5709692,5709705] [2021-11-23 15:46:00,119 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:46:00,128 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:46:14,536 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_d29b7913-4e75-4aea-a502-6b123fe31c9e/sv-benchmarks/c/eca-programs/Problem102_label06.c[5709692,5709705] [2021-11-23 15:46:14,548 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:46:19,864 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:46:19,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:19 WrapperNode [2021-11-23 15:46:19,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:46:19,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:46:19,867 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:46:19,867 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:46:19,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:19" (1/1) ... [2021-11-23 15:46:21,122 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:19" (1/1) ... [2021-11-23 15:46:26,191 INFO L137 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184295 [2021-11-23 15:46:26,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:46:26,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:46:26,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:46:26,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:46:26,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:19" (1/1) ... [2021-11-23 15:46:26,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:19" (1/1) ... [2021-11-23 15:46:27,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:19" (1/1) ... [2021-11-23 15:46:27,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:19" (1/1) ... [2021-11-23 15:46:30,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:19" (1/1) ... [2021-11-23 15:46:30,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:19" (1/1) ... [2021-11-23 15:46:31,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:19" (1/1) ... [2021-11-23 15:46:32,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:46:32,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:46:32,356 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:46:32,356 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:46:32,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:19" (1/1) ... [2021-11-23 15:46:32,388 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:46:32,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b7913-4e75-4aea-a502-6b123fe31c9e/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:46:32,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b7913-4e75-4aea-a502-6b123fe31c9e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:46:32,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b7913-4e75-4aea-a502-6b123fe31c9e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:46:32,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:46:32,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:46:32,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:46:32,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:46:32,697 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:46:32,699 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:47:43,855 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:47:44,092 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 15:47:44,098 INFO L158 Benchmark]: Toolchain (without parser) took 131472.33ms. Allocated memory was 413.1MB in the beginning and 12.2GB in the end (delta: 11.8GB). Free memory was 158.7MB in the beginning and 8.2GB in the end (delta: -8.1GB). Peak memory consumption was 3.7GB. Max. memory is 16.1GB. [2021-11-23 15:47:44,099 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 90.2MB. Free memory was 48.3MB in the beginning and 48.3MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:47:44,100 INFO L158 Benchmark]: CACSL2BoogieTranslator took 47240.10ms. Allocated memory was 413.1MB in the beginning and 5.5GB in the end (delta: 5.1GB). Free memory was 157.6MB in the beginning and 3.6GB in the end (delta: -3.5GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2021-11-23 15:47:44,101 INFO L158 Benchmark]: Boogie Procedure Inliner took 6325.85ms. Allocated memory was 5.5GB in the beginning and 7.9GB in the end (delta: 2.4GB). Free memory was 3.6GB in the beginning and 5.3GB in the end (delta: -1.7GB). Peak memory consumption was 833.1MB. Max. memory is 16.1GB. [2021-11-23 15:47:44,102 INFO L158 Benchmark]: Boogie Preprocessor took 6160.77ms. Allocated memory is still 7.9GB. Free memory was 5.3GB in the beginning and 4.8GB in the end (delta: 490.7MB). Peak memory consumption was 565.2MB. Max. memory is 16.1GB. [2021-11-23 15:47:44,103 INFO L158 Benchmark]: RCFGBuilder took 71740.41ms. Allocated memory was 7.9GB in the beginning and 12.2GB in the end (delta: 4.3GB). Free memory was 4.8GB in the beginning and 8.2GB in the end (delta: -3.4GB). Peak memory consumption was 901.8MB. Max. memory is 16.1GB. [2021-11-23 15:47:44,107 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 90.2MB. Free memory was 48.3MB in the beginning and 48.3MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 47240.10ms. Allocated memory was 413.1MB in the beginning and 5.5GB in the end (delta: 5.1GB). Free memory was 157.6MB in the beginning and 3.6GB in the end (delta: -3.5GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 6325.85ms. Allocated memory was 5.5GB in the beginning and 7.9GB in the end (delta: 2.4GB). Free memory was 3.6GB in the beginning and 5.3GB in the end (delta: -1.7GB). Peak memory consumption was 833.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 6160.77ms. Allocated memory is still 7.9GB. Free memory was 5.3GB in the beginning and 4.8GB in the end (delta: 490.7MB). Peak memory consumption was 565.2MB. Max. memory is 16.1GB. * RCFGBuilder took 71740.41ms. Allocated memory was 7.9GB in the beginning and 12.2GB in the end (delta: 4.3GB). Free memory was 4.8GB in the beginning and 8.2GB in the end (delta: -3.4GB). Peak memory consumption was 901.8MB. 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 15:47:44,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b7913-4e75-4aea-a502-6b123fe31c9e/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_d29b7913-4e75-4aea-a502-6b123fe31c9e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b7913-4e75-4aea-a502-6b123fe31c9e/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_d29b7913-4e75-4aea-a502-6b123fe31c9e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b7913-4e75-4aea-a502-6b123fe31c9e/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b7913-4e75-4aea-a502-6b123fe31c9e/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_d29b7913-4e75-4aea-a502-6b123fe31c9e/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 9af135c72685086c60c5dc79516b2d3aff3f38ab7f7eb97bbe7d7334d5f78c48 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:47:46,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:47:46,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:47:46,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:47:46,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:47:46,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:47:46,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:47:46,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:47:46,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:47:46,782 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:47:46,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:47:46,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:47:46,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:47:46,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:47:46,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:47:46,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:47:46,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:47:46,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:47:46,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:47:46,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:47:46,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:47:46,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:47:46,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:47:46,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:47:46,838 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:47:46,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:47:46,839 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:47:46,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:47:46,842 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:47:46,843 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:47:46,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:47:46,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:47:46,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:47:46,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:47:46,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:47:46,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:47:46,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:47:46,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:47:46,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:47:46,853 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:47:46,854 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:47:46,855 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b7913-4e75-4aea-a502-6b123fe31c9e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:47:46,880 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:47:46,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:47:46,882 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:47:46,882 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:47:46,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:47:46,884 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:47:46,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:47:46,884 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:47:46,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:47:46,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:47:46,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:47:46,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:47:46,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:47:46,886 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:47:46,886 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:47:46,887 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:47:46,887 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:47:46,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:47:46,887 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:47:46,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:47:46,888 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:47:46,888 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:47:46,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:47:46,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:47:46,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:47:46,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:47:46,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:47:46,889 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:47:46,890 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:47:46,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:47:46,890 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:47:46,890 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:47:46,891 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_d29b7913-4e75-4aea-a502-6b123fe31c9e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b7913-4e75-4aea-a502-6b123fe31c9e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9af135c72685086c60c5dc79516b2d3aff3f38ab7f7eb97bbe7d7334d5f78c48 [2021-11-23 15:47:47,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:47:47,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:47:47,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:47:47,356 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:47:47,357 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:47:47,358 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b7913-4e75-4aea-a502-6b123fe31c9e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-programs/Problem102_label06.c [2021-11-23 15:47:47,431 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b7913-4e75-4aea-a502-6b123fe31c9e/bin/ukojak-CwSLpZB5Qu/data/73317dae3/683dd56b1f4a4cacb575c9db4de649f6/FLAGcd04f1ee3 [2021-11-23 15:47:51,530 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:47:51,531 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b7913-4e75-4aea-a502-6b123fe31c9e/sv-benchmarks/c/eca-programs/Problem102_label06.c [2021-11-23 15:47:51,825 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b7913-4e75-4aea-a502-6b123fe31c9e/bin/ukojak-CwSLpZB5Qu/data/73317dae3/683dd56b1f4a4cacb575c9db4de649f6/FLAGcd04f1ee3 [2021-11-23 15:47:52,269 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b7913-4e75-4aea-a502-6b123fe31c9e/bin/ukojak-CwSLpZB5Qu/data/73317dae3/683dd56b1f4a4cacb575c9db4de649f6 [2021-11-23 15:47:52,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:47:52,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:47:52,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:47:52,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:47:52,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:47:52,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:52" (1/1) ... [2021-11-23 15:47:52,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f03eacc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:52, skipping insertion in model container [2021-11-23 15:47:52,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:52" (1/1) ... [2021-11-23 15:47:52,295 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:47:53,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:48:21,222 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_d29b7913-4e75-4aea-a502-6b123fe31c9e/sv-benchmarks/c/eca-programs/Problem102_label06.c[5709692,5709705] [2021-11-23 15:48:21,347 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:21,360 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:48:34,976 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_d29b7913-4e75-4aea-a502-6b123fe31c9e/sv-benchmarks/c/eca-programs/Problem102_label06.c[5709692,5709705] [2021-11-23 15:48:34,989 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:39,313 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:48:39,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:39 WrapperNode [2021-11-23 15:48:39,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:48:39,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:48:39,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:48:39,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:48:39,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:39" (1/1) ... [2021-11-23 15:48:40,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:39" (1/1) ... [2021-11-23 15:48:45,966 INFO L137 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184212 [2021-11-23 15:48:45,966 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:48:45,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:48:45,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:48:45,967 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:48:45,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:39" (1/1) ... [2021-11-23 15:48:45,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:39" (1/1) ... [2021-11-23 15:48:46,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:39" (1/1) ... [2021-11-23 15:48:46,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:39" (1/1) ... [2021-11-23 15:48:49,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:39" (1/1) ... [2021-11-23 15:48:49,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:39" (1/1) ... [2021-11-23 15:48:50,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:39" (1/1) ... [2021-11-23 15:48:50,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:48:50,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:48:50,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:48:50,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:48:50,928 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:39" (1/1) ... [2021-11-23 15:48:50,937 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:48:50,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b7913-4e75-4aea-a502-6b123fe31c9e/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:48:50,989 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b7913-4e75-4aea-a502-6b123fe31c9e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:48:51,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b7913-4e75-4aea-a502-6b123fe31c9e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:48:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:48:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:48:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:48:51,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:48:51,335 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:48:51,337 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:50:36,235 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:50:36,427 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 15:50:36,432 INFO L158 Benchmark]: Toolchain (without parser) took 164158.26ms. Allocated memory was 1.0GB in the beginning and 12.9GB in the end (delta: 11.9GB). Free memory was 740.3MB in the beginning and 8.9GB in the end (delta: -8.2GB). Peak memory consumption was 3.8GB. Max. memory is 16.1GB. [2021-11-23 15:50:36,433 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 60.8MB. Free memory was 41.2MB in the beginning and 41.2MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:50:36,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 47040.98ms. Allocated memory was 1.0GB in the beginning and 6.8GB in the end (delta: 5.8GB). Free memory was 740.3MB in the beginning and 4.8GB in the end (delta: -4.1GB). Peak memory consumption was 3.6GB. Max. memory is 16.1GB. [2021-11-23 15:50:36,434 INFO L158 Benchmark]: Boogie Procedure Inliner took 6650.79ms. Allocated memory was 6.8GB in the beginning and 10.2GB in the end (delta: 3.4GB). Free memory was 4.8GB in the beginning and 7.6GB in the end (delta: -2.8GB). Peak memory consumption was 988.8MB. Max. memory is 16.1GB. [2021-11-23 15:50:36,435 INFO L158 Benchmark]: Boogie Preprocessor took 4955.44ms. Allocated memory is still 10.2GB. Free memory was 7.6GB in the beginning and 7.0GB in the end (delta: 594.5MB). Peak memory consumption was 684.7MB. Max. memory is 16.1GB. [2021-11-23 15:50:36,436 INFO L158 Benchmark]: RCFGBuilder took 105504.69ms. Allocated memory was 10.2GB in the beginning and 12.9GB in the end (delta: 2.7GB). Free memory was 7.0GB in the beginning and 8.9GB in the end (delta: -1.9GB). Peak memory consumption was 881.9MB. Max. memory is 16.1GB. [2021-11-23 15:50:36,440 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 60.8MB. Free memory was 41.2MB in the beginning and 41.2MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 47040.98ms. Allocated memory was 1.0GB in the beginning and 6.8GB in the end (delta: 5.8GB). Free memory was 740.3MB in the beginning and 4.8GB in the end (delta: -4.1GB). Peak memory consumption was 3.6GB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 6650.79ms. Allocated memory was 6.8GB in the beginning and 10.2GB in the end (delta: 3.4GB). Free memory was 4.8GB in the beginning and 7.6GB in the end (delta: -2.8GB). Peak memory consumption was 988.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 4955.44ms. Allocated memory is still 10.2GB. Free memory was 7.6GB in the beginning and 7.0GB in the end (delta: 594.5MB). Peak memory consumption was 684.7MB. Max. memory is 16.1GB. * RCFGBuilder took 105504.69ms. Allocated memory was 10.2GB in the beginning and 12.9GB in the end (delta: 2.7GB). Free memory was 7.0GB in the beginning and 8.9GB in the end (delta: -1.9GB). Peak memory consumption was 881.9MB. 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 15:50:36,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29b7913-4e75-4aea-a502-6b123fe31c9e/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