./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label18.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_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/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_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label18.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/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_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/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 10ce6084b8eacd2d18483cb628f6c5abd6a714796c8d3c0285d28c3b447f089d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:02:43,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:02:43,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:02:43,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:02:43,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:02:43,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:02:43,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:02:43,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:02:43,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:02:43,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:02:43,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:02:43,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:02:43,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:02:43,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:02:43,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:02:43,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:02:43,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:02:43,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:02:43,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:02:43,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:02:43,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:02:43,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:02:43,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:02:43,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:02:43,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:02:43,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:02:43,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:02:43,463 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:02:43,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:02:43,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:02:43,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:02:43,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:02:43,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:02:43,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:02:43,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:02:43,471 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:02:43,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:02:43,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:02:43,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:02:43,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:02:43,475 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:02:43,476 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:02:43,502 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:02:43,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:02:43,507 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:02:43,509 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:02:43,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:02:43,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:02:43,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:02:43,513 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:02:43,514 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:02:43,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:02:43,515 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:02:43,515 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:02:43,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:02:43,516 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:02:43,516 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:02:43,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:02:43,516 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:02:43,517 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:02:43,517 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:02:43,517 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:02:43,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:02:43,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:43,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:02:43,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:02:43,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:02:43,518 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:02:43,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:02:43,519 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:02:43,519 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_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10ce6084b8eacd2d18483cb628f6c5abd6a714796c8d3c0285d28c3b447f089d [2021-11-23 15:02:43,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:02:43,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:02:43,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:02:43,846 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:02:43,847 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:02:43,849 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem02_label18.c [2021-11-23 15:02:43,924 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/bin/ukojak-CwSLpZB5Qu/data/12301ea5e/1a7c644e7b894218ad86cf3e3edf767a/FLAG86ea6d6ad [2021-11-23 15:02:44,551 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:02:44,552 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/sv-benchmarks/c/eca-rers2012/Problem02_label18.c [2021-11-23 15:02:44,573 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/bin/ukojak-CwSLpZB5Qu/data/12301ea5e/1a7c644e7b894218ad86cf3e3edf767a/FLAG86ea6d6ad [2021-11-23 15:02:44,814 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/bin/ukojak-CwSLpZB5Qu/data/12301ea5e/1a7c644e7b894218ad86cf3e3edf767a [2021-11-23 15:02:44,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:02:44,818 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:02:44,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:44,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:02:44,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:02:44,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:44" (1/1) ... [2021-11-23 15:02:44,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1feab928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:44, skipping insertion in model container [2021-11-23 15:02:44,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:44" (1/1) ... [2021-11-23 15:02:44,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:02:44,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:02:45,311 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_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/sv-benchmarks/c/eca-rers2012/Problem02_label18.c[19853,19866] [2021-11-23 15:02:45,356 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:45,378 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:02:45,465 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_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/sv-benchmarks/c/eca-rers2012/Problem02_label18.c[19853,19866] [2021-11-23 15:02:45,478 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:45,502 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:02:45,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:45 WrapperNode [2021-11-23 15:02:45,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:45,504 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:45,504 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:02:45,506 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:02:45,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:45" (1/1) ... [2021-11-23 15:02:45,541 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:45" (1/1) ... [2021-11-23 15:02:45,604 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 668 [2021-11-23 15:02:45,605 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:45,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:02:45,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:02:45,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:02:45,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:45" (1/1) ... [2021-11-23 15:02:45,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:45" (1/1) ... [2021-11-23 15:02:45,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:45" (1/1) ... [2021-11-23 15:02:45,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:45" (1/1) ... [2021-11-23 15:02:45,670 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:45" (1/1) ... [2021-11-23 15:02:45,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:45" (1/1) ... [2021-11-23 15:02:45,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:45" (1/1) ... [2021-11-23 15:02:45,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:02:45,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:02:45,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:02:45,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:02:45,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:45" (1/1) ... [2021-11-23 15:02:45,729 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:45,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:02:45,757 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:02:45,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:02:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:02:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:02:45,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:02:45,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:02:45,917 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:02:45,919 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:02:46,983 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:02:47,039 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 15:02:47,045 INFO L158 Benchmark]: Toolchain (without parser) took 2224.26ms. Allocated memory was 111.1MB in the beginning and 144.7MB in the end (delta: 33.6MB). Free memory was 68.9MB in the beginning and 82.1MB in the end (delta: -13.1MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2021-11-23 15:02:47,045 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 111.1MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:02:47,047 INFO L158 Benchmark]: CACSL2BoogieTranslator took 682.77ms. Allocated memory is still 111.1MB. Free memory was 68.7MB in the beginning and 71.6MB in the end (delta: -2.9MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2021-11-23 15:02:47,048 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.16ms. Allocated memory is still 111.1MB. Free memory was 71.6MB in the beginning and 66.2MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:02:47,049 INFO L158 Benchmark]: Boogie Preprocessor took 107.21ms. Allocated memory is still 111.1MB. Free memory was 66.2MB in the beginning and 62.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:02:47,051 INFO L158 Benchmark]: RCFGBuilder took 1327.61ms. Allocated memory was 111.1MB in the beginning and 144.7MB in the end (delta: 33.6MB). Free memory was 62.0MB in the beginning and 82.1MB in the end (delta: -20.0MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2021-11-23 15:02:47,060 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 111.1MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 682.77ms. Allocated memory is still 111.1MB. Free memory was 68.7MB in the beginning and 71.6MB in the end (delta: -2.9MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.16ms. Allocated memory is still 111.1MB. Free memory was 71.6MB in the beginning and 66.2MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.21ms. Allocated memory is still 111.1MB. Free memory was 66.2MB in the beginning and 62.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1327.61ms. Allocated memory was 111.1MB in the beginning and 144.7MB in the end (delta: 33.6MB). Free memory was 62.0MB in the beginning and 82.1MB in the end (delta: -20.0MB). Peak memory consumption was 24.9MB. 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 15:02:47,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/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_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/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_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label18.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/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_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/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 10ce6084b8eacd2d18483cb628f6c5abd6a714796c8d3c0285d28c3b447f089d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:02:49,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:02:49,596 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:02:49,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:02:49,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:02:49,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:02:49,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:02:49,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:02:49,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:02:49,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:02:49,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:02:49,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:02:49,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:02:49,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:02:49,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:02:49,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:02:49,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:02:49,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:02:49,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:02:49,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:02:49,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:02:49,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:02:49,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:02:49,708 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:02:49,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:02:49,717 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:02:49,717 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:02:49,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:02:49,720 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:02:49,721 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:02:49,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:02:49,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:02:49,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:02:49,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:02:49,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:02:49,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:02:49,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:02:49,729 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:02:49,729 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:02:49,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:02:49,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:02:49,732 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:02:49,778 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:02:49,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:02:49,780 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:02:49,780 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:02:49,781 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:02:49,782 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:02:49,782 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:02:49,782 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:02:49,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:02:49,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:02:49,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:02:49,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:02:49,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:02:49,784 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:02:49,785 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:02:49,785 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:02:49,785 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:02:49,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:02:49,785 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:02:49,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:02:49,786 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:02:49,786 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:02:49,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:02:49,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:49,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:02:49,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:02:49,787 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:02:49,787 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:02:49,787 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:02:49,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:02:49,788 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:02:49,788 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:02:49,788 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_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10ce6084b8eacd2d18483cb628f6c5abd6a714796c8d3c0285d28c3b447f089d [2021-11-23 15:02:50,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:02:50,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:02:50,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:02:50,209 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:02:50,210 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:02:50,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem02_label18.c [2021-11-23 15:02:50,287 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/bin/ukojak-CwSLpZB5Qu/data/9737bf665/141bb8b7e25041329b8c05effb49f9fc/FLAGe9e75630a [2021-11-23 15:02:51,060 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:02:51,068 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/sv-benchmarks/c/eca-rers2012/Problem02_label18.c [2021-11-23 15:02:51,080 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/bin/ukojak-CwSLpZB5Qu/data/9737bf665/141bb8b7e25041329b8c05effb49f9fc/FLAGe9e75630a [2021-11-23 15:02:51,279 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/bin/ukojak-CwSLpZB5Qu/data/9737bf665/141bb8b7e25041329b8c05effb49f9fc [2021-11-23 15:02:51,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:02:51,282 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:02:51,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:51,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:02:51,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:02:51,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:51" (1/1) ... [2021-11-23 15:02:51,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@725ea407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51, skipping insertion in model container [2021-11-23 15:02:51,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:51" (1/1) ... [2021-11-23 15:02:51,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:02:51,370 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:02:51,736 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_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/sv-benchmarks/c/eca-rers2012/Problem02_label18.c[19853,19866] [2021-11-23 15:02:51,783 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:51,809 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:02:51,970 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_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/sv-benchmarks/c/eca-rers2012/Problem02_label18.c[19853,19866] [2021-11-23 15:02:51,985 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:52,011 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:02:52,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:52 WrapperNode [2021-11-23 15:02:52,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:52,015 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:52,015 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:02:52,016 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:02:52,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:52" (1/1) ... [2021-11-23 15:02:52,061 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:52" (1/1) ... [2021-11-23 15:02:52,127 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 666 [2021-11-23 15:02:52,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:52,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:02:52,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:02:52,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:02:52,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:52" (1/1) ... [2021-11-23 15:02:52,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:52" (1/1) ... [2021-11-23 15:02:52,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:52" (1/1) ... [2021-11-23 15:02:52,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:52" (1/1) ... [2021-11-23 15:02:52,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:52" (1/1) ... [2021-11-23 15:02:52,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:52" (1/1) ... [2021-11-23 15:02:52,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:52" (1/1) ... [2021-11-23 15:02:52,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:02:52,260 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:02:52,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:02:52,261 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:02:52,261 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:52" (1/1) ... [2021-11-23 15:02:52,269 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:52,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:02:52,297 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:02:52,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:02:52,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:02:52,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:02:52,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:02:52,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:02:52,468 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:02:52,469 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:02:53,733 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:02:53,789 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 15:02:53,798 INFO L158 Benchmark]: Toolchain (without parser) took 2513.79ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 50.2MB in the beginning and 65.1MB in the end (delta: -14.9MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2021-11-23 15:02:53,798 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 71.3MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:02:53,800 INFO L158 Benchmark]: CACSL2BoogieTranslator took 730.87ms. Allocated memory is still 71.3MB. Free memory was 50.1MB in the beginning and 38.7MB in the end (delta: 11.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:02:53,801 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.66ms. Allocated memory is still 71.3MB. Free memory was 38.7MB in the beginning and 33.2MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:02:53,802 INFO L158 Benchmark]: Boogie Preprocessor took 130.43ms. Allocated memory is still 71.3MB. Free memory was 33.2MB in the beginning and 48.7MB in the end (delta: -15.5MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2021-11-23 15:02:53,803 INFO L158 Benchmark]: RCFGBuilder took 1534.51ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 48.7MB in the beginning and 65.1MB in the end (delta: -16.4MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2021-11-23 15:02:53,805 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 71.3MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 730.87ms. Allocated memory is still 71.3MB. Free memory was 50.1MB in the beginning and 38.7MB in the end (delta: 11.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.66ms. Allocated memory is still 71.3MB. Free memory was 38.7MB in the beginning and 33.2MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 130.43ms. Allocated memory is still 71.3MB. Free memory was 33.2MB in the beginning and 48.7MB in the end (delta: -15.5MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1534.51ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 48.7MB in the beginning and 65.1MB in the end (delta: -16.4MB). Peak memory consumption was 33.8MB. 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 15:02:53,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a333ba-5c0d-4011-b7dd-1e7e67245cfb/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